160+ Physics Riddles with Answers: Brain Teasers for Science Lovers
Dive into best physics riddles with answers! Challenge your mind with fun, tricky, and educational brain teasers covering gravity, motion, energy, light, and quantum physics. Perfect for students, science lovers, and anyone who enjoys testing their problem-solving skills while learning fascinating physics concepts.
Simple Puzzles Little Ones Will Love
I'm invisible but can make objects fall faster or slower. What am I?
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Gravity
Back
I can bend light and make things appear broken in water. What am I?
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Refraction
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I travel at 299,792,458 meters per second. What am I?
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Light
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I'm stored in a stretched spring or lifted object. What am I?
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Potential energy
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I resist motion between two surfaces. What am I?
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Friction
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I'm the force that opposes gravity to keep planes flying. What am I?
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Lift
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I'm measured in volts and can shock you. What am I?
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Electric potential
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I can make a compass needle move without touching it. What am I?
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Magnetism
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I'm the bending of space-time by mass. What am I?
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Gravity
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I'm carried by waves, but I'm not water. What am I?
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Energy
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I spin around an axis and keep planets in orbit. What am I?
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Angular momentum
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I'm proportional to mass times acceleration. What am I?
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Force
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I can pass through walls but heat up metal. What am I?
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Radiation
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I make your body feel heavier on an elevator. What am I?
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Apparent weight
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I'm the tendency of objects to resist motion change. What am I?
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Inertia
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I'm stored when a current flows through a coil. What am I?
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Inductance
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I'm measured in ohms. What am I?
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Resistance
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I'm a wave that moves perpendicular to vibration. What am I?
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Transverse wave
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I can transfer heat by direct contact. What am I?
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Conduction
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I bend light to form rainbows. What am I?
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Prism
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I'm the energy of motion. What am I?
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Kinetic energy
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I'm the missing link between electricity and magnetism. What am I?
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Electromagnetism
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I keep planets moving in curved paths. What am I?
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Centripetal force
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I'm used to measure atmospheric pressure. What am I?
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Barometer
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I'm the rate of change of velocity. What am I?
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Acceleration
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I'm the bending of light at the edge of a lens. What am I?
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Refraction
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I can store energy in electric fields. What am I?
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Capacitor
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I'm the force pushing back when you push on a wall. What am I?
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Normal force
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I make clocks tick and pendulums swing. What am I?
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Gravity
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I can make objects orbit stars. What am I?
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Gravity
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I'm the sum of potential and kinetic energy. What am I?
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Mechanical energy
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I can travel as a particle or a wave. What am I?
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Light/Photon
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I'm the invisible lines around magnets. What am I?
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Magnetic field
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I'm measured in joules per second. What am I?
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Power
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I'm the resistance to flow in fluids. What am I?
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Viscosity
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I'm the twisting force on a lever. What am I?
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Torque
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I'm the bouncing back of waves. What am I?
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Reflection
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I travel in ripples and can move water. What am I?
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Wave
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I'm the spreading of light waves after passing through a slit. What am I?
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Diffraction
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I'm the measure of disorder in a system. What am I?
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Entropy
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I keep planets from flying away. What am I?
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Gravity
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I'm stored in a compressed spring. What am I?
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Elastic potential energy
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I'm a measure of motion in a moving object. What am I?
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Momentum
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I'm the force pulling objects toward the Earth. What am I?
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Gravity
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I'm the tendency of a spinning object to resist tilting. What am I?
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Gyroscopic effect
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I'm the speed at which light travels in a vacuum. What am I?
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Speed of light
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I'm the change in velocity over time. What am I?
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Acceleration
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I'm the bending of light when passing from air to water. What am I?
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Refraction
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I'm the friction of air on moving objects. What am I?
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Air resistance
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I can be transferred by conduction, convection, or radiation. What am I?
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Heat
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I'm the force that holds protons and neutrons together. What am I?
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Strong nuclear force
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I'm tiny, fundamental, and negatively charged. What am I?
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Electron
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I'm the center of an atom. What am I?
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Nucleus
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I'm positively charged and found in the nucleus. What am I?
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Proton
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I have no charge and stabilize the nucleus. What am I?
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Neutron
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I'm the bending of space-time near a massive object. What am I?
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Gravity
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I'm a particle of light. What am I?
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Photon
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I'm the uncertainty in measuring position and momentum. What am I?
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Heisenberg's uncertainty principle
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I'm the energy stored in chemical bonds. What am I?
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Chemical potential energy
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I'm the invisible glue that holds molecules together. What am I?
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Intermolecular forces
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I'm the study of motion and forces. What am I?
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Mechanics
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I'm the force pulling objects toward the Sun. What am I?
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Gravity
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I'm the effect of gravity on falling objects. What am I?
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Weight
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I'm the distance traveled divided by time. What am I?
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Speed
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I'm the change in speed or direction. What am I?
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Acceleration
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I'm the wave that needs a medium to travel. What am I?
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Mechanical wave
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I'm the force causing tides. What am I?
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Gravity of Moon
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I'm the bending of light near massive objects. What am I?
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Gravitational lensing
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I'm the energy of motion in a moving object. What am I?
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Kinetic energy
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I'm the invisible force keeping electrons in orbit. What am I?
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Electromagnetic force
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I'm measured in ohms. What am I?
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Electrical resistance
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I'm the opposition to change in current. What am I?
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Inductance
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I can store electric charge. What am I?
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Capacitor
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I'm the rate of flow of electric charge. What am I?
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Current
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I'm the voltage per unit current. What am I?
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Resistance
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I'm the force that opposes motion through a fluid. What am I?
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Drag
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I'm the bouncing back of sound waves. What am I?
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Echo/Reflection
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I'm the bending of waves around obstacles. What am I?
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Diffraction
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I'm the spreading of waves after passing through a slit. What am I?
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Diffraction
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I'm the natural frequency of an object vibrating. What am I?
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Resonance
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I'm the wave that can travel without a medium. What am I?
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Electromagnetic wave
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I'm the energy an object has due to its motion. What am I?
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Kinetic energy
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I'm the energy an object has due to its position. What am I?
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Potential energy
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I'm the bending of light waves as they pass through different media. What am I?
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Refraction
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I'm the force that resists motion between surfaces. What am I?
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Friction
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I'm the spreading of waves around obstacles. What am I?
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Diffraction
Back
I'm the bouncing back of waves from a surface. What am I?
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Reflection
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I'm the twisting force that causes rotation. What am I?
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Torque
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I'm the energy carried by light or radio waves. What am I?
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Radiant energy
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I'm the force that pulls objects toward the Earth. What am I?
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Gravity
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I'm the ratio of the change in output to input. What am I?
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Efficiency
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I'm the wave where particle motion is perpendicular to wave direction. What am I?
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Transverse wave
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I'm the wave where particle motion is parallel to wave direction. What am I?
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Longitudinal wave
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I'm the resistance to flow in fluids. What am I?
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Viscosity
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I'm the bending of spacetime near massive objects. What am I?
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Gravity
Back
I'm the smallest particle of light. What am I?
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Photon
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I'm the unit of electric current. What am I?
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Ampere
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I'm the force that holds atoms together in molecules. What am I?
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Chemical bond / Intermolecular force
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I'm the principle stating energy cannot be created or destroyed. What am I?
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Conservation of energy
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I'm the principle stating momentum before collision equals momentum after. What am I?
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Conservation of momentum
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I'm the energy released in nuclear reactions. What am I?
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Nuclear energy
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I'm the force that opposes motion through air. What am I?
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Air resistance / Drag
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I'm the measure of hotness or coldness. What am I?
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Temperature
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I'm the unit of force named after a famous scientist. What am I?
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Newton
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I'm the unit of work or energy. What am I?
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Joule
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I'm the bending of light to form a spectrum. What am I?
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Dispersion
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I'm the wave phenomenon that changes pitch due to motion. What am I?
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Doppler effect
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I'm the effect that causes tides on Earth. What am I?
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Gravitational pull of the Moon
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I'm the spinning motion of objects resisting changes in orientation. What am I?
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Angular momentum / Gyroscopic effect
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I'm the force pulling planets toward the Sun. What am I?
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Gravity
Back
I'm the flow of electric charge in a circuit. What am I?
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Current
Back
I'm the opposition to the flow of electric current. What am I?
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Resistance
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I'm the energy stored in a capacitor. What am I?
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Electric potential energy
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I'm the law connecting voltage, current, and resistance. What am I?
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Ohm's law
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I'm the energy stored in a magnetic field. What am I?
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Inductor energy
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I'm the force that opposes gravity in fluids. What am I?
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Buoyant force
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I'm the natural frequency of a vibrating object. What am I?
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Resonance frequency
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I'm the bending of waves around corners. What am I?
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Diffraction
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I'm the transfer of heat by particle collisions. What am I?
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Conduction
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I'm the transfer of heat by fluid movement. What am I?
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Convection
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I'm the transfer of energy through space without a medium. What am I?
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Radiation
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I'm the energy of vibrating molecules. What am I?
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Thermal energy / Heat
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I'm the invisible force keeping electrons in orbit. What am I?
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Electromagnetic force
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I'm the bending of light near massive objects. What am I?
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Gravitational lensing
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I'm the effect where time slows down at high speeds. What am I?
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Time dilation
Back
I'm the quantum principle limiting simultaneous measurement of position and momentum. What am I?
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Heisenberg's uncertainty principle
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I'm the energy released when electrons jump energy levels. What am I?
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Photon / Light energy
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I'm the unit of power. What am I?
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Watt
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I'm the particle in the nucleus with no charge. What am I?
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Neutron
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I'm the positively charged particle in the nucleus. What am I?
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Proton
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I'm the smallest unit of matter. What am I?
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Atom
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I'm the branch of physics that studies motion. What am I?
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Mechanics
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I'm the energy stored in chemical bonds. What am I?
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Chemical potential energy
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I'm the bending of light when passing from air to water. What am I?
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Refraction
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I'm the rate at which work is done. What am I?
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Power
Back
I'm the amount of energy transferred per unit charge. What am I?
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Voltage / Electric potential
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I'm the phenomenon of rainbow formation. What am I?
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Dispersion of light
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I'm the energy stored in a moving electron in a magnetic field. What am I?
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Magnetic energy
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I'm the force that keeps satellites in orbit. What am I?
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Centripetal force / Gravity
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I'm the unit of electrical charge. What am I?
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Coulomb
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I'm the principle explaining why objects in motion stay in motion. What am I?
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Inertia / Newton's First Law
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I'm the measure of how fast something is moving. What am I?
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Speed
Back
I'm the change in velocity per unit time. What am I?
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Acceleration
Back
I'm the wave that requires a medium to travel. What am I?
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Mechanical wave
Back
I'm the invisible region around a magnet where it exerts force. What am I?
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Magnetic field
Back
I'm the law stating every action has an equal and opposite reaction. What am I?
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Newton's Third Law
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I'm the force causing a pendulum to swing. What am I?
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Gravity / Restoring force
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I'm the principle stating energy in an isolated system is constant. What am I?
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Conservation of energy
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I'm the energy due to motion of charged particles. What am I?
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Electrical energy
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I'm the phenomenon of waves adding or canceling each other. What am I?
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Interference
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I'm the distance light travels in a vacuum per second. What am I?
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Speed of light
Back
I'm the invisible force acting on charges in a magnetic field. What am I?
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Lorentz force
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I'm the curvature of light when entering a new medium. What am I?
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Refraction
Back
I'm the principle that explains rainbow colors in water droplets. What am I?
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Dispersion
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I'm the tendency of fluids to resist flow. What am I?
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Viscosity
Back
I'm the energy due to molecular motion. What am I?
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Thermal energy
Back
I'm the force keeping planets in orbit around the sun. What am I?
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Gravity
Back
I'm the energy an object has due to its rotation. What am I?
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Rotational kinetic energy
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I'm the resistance to acceleration in a system. What am I?
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Mass / Inertia
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I'm the phenomenon of wave spreading when passing through a slit. What am I?
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Diffraction
Back
Riddles Only Grown-Ups Can Solve
I'm the energy in moving electrons. What am I?
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Electrical energy
Back
I'm the unit of force. What am I?
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Newton
Back
I'm the measure of electric current. What am I?
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Ampere
Back
I'm the law connecting voltage, current, and resistance. What am I?
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Ohm's Law
Back
I'm the energy stored in a stretched or compressed spring. What am I?
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Elastic potential energy
Back
I'm the bending of waves as they pass around edges. What am I?
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Diffraction
Back
I'm the wave that can travel through a vacuum. What am I?
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Electromagnetic wave
Back
I'm the energy associated with height. What am I?
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Gravitational potential energy
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I'm the part of an atom that has a negative charge. What am I?
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Electron
Back
I'm the speed at which waves travel. What am I?
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Wave velocity
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I'm the energy of moving particles in an object. What am I?
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Kinetic energy
Back
I'm the resistance to motion of fluids. What am I?
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Viscosity
Back
I'm the twisting effect of a force around a pivot. What am I?
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Torque
Back
I'm the force pulling objects toward each other. What am I?
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Gravity
Back
I'm the bending of light when it passes from one medium to another. What am I?
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Refraction
Back
I'm the accumulation of electric charge. What am I?
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Static electricity
Back
I'm the flow of electric charge. What am I?
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Current
Back
I'm the opposition to motion between two surfaces. What am I?
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Friction
Back
I'm the force that keeps planets in orbit. What am I?
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Centripetal force
Back
I'm the measure of disorder in a system. What am I?
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Entropy
Back
I'm the wave that moves perpendicular to the motion. What am I?
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Transverse wave
Back
I'm the bouncing back of waves when they hit a surface. What am I?
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Reflection
Back
I'm the spreading of heat through direct contact. What am I?
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Conduction
Back
I'm the movement of heat by fluid motion. What am I?
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Convection
Back
I'm the transfer of energy through electromagnetic waves. What am I?
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Radiation
Back
I'm the effect that makes objects moving relative to you appear displaced. What am I?
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Relativity (or Doppler effect)
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I'm the tendency of an object to resist changes in motion. What am I?
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Inertia
Back
I'm the law that every action has an equal and opposite reaction. What am I?
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Newton's Third Law
Back
I'm the ratio of output to input energy. What am I?
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Efficiency
Back
I'm the energy released by nuclear reactions. What am I?
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Nuclear energy
Back
I'm the invisible lines showing the direction of magnetic force. What am I?
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Magnetic field
Back
I'm the force between charged objects. What am I?
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Electrostatic force
Back
I'm the bending of space and time near a massive object. What am I?
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Gravity / General relativity
Back
I'm the smallest particle of light. What am I?
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Photon
Back
I'm the force that resists changes in current in a coil. What am I?
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Inductance
Back
I'm the opposition to the flow of current. What am I?
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Resistance
Back
I'm the energy stored in an electric field. What am I?
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Capacitor energy
Back
I'm the motion of particles in a wave. What am I?
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Vibration
Back
I'm the distance light travels in one year. What am I?
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Light-year
Back
I'm the smallest unit of matter. What am I?
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Atom
Back
I'm the rate of change of velocity. What am I?
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Acceleration
Back
I'm the total mechanical energy in a system. What am I?
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Conservation of energy
Back
I'm the force that causes tides. What am I?
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Gravitational pull of the Moon
Back
I'm the curvature of spacetime caused by mass. What am I?
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Gravity
Back
I'm the phenomenon where light spreads out after passing through a slit. What am I?
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Diffraction
Back
I'm the wave effect that changes pitch due to motion. What am I?
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Doppler effect
Back
I'm the energy of moving electrons in a circuit. What am I?
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Electrical energy
Back
I'm the tendency of fluids to resist flow. What am I?
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Viscosity
Back
I'm the effect that causes objects to fall at the same rate regardless of mass. What am I?
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Gravity / Free fall
Back
I'm the effect where objects appear shorter at high speed. What am I?
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Length contraction
Back
I'm the principle stating energy cannot be created or destroyed. What am I?
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Conservation of energy
Back
I'm the phenomenon of splitting light into colors. What am I?
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Dispersion / Prism
Back
I'm the force that keeps satellites in orbit. What am I?
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Centripetal force / Gravity
Back
I'm the energy associated with molecular motion. What am I?
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Thermal energy
Back
I'm the measure of force per unit area. What am I?
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Pressure
Back
I'm the energy stored in a compressed or stretched spring. What am I?
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Elastic potential energy
Back
I'm the principle stating F = ma. What am I?
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Newton's Second Law
Back
I'm the force acting opposite to motion through a fluid. What am I?
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Drag
Back
I'm the bending of waves around obstacles. What am I?
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Diffraction
Back
I'm the phenomenon of a material resisting sudden stress. What am I?
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Elasticity
Back
I'm the energy emitted when electrons move between levels. What am I?
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Light / Photon emission
Back
I'm the measure of how hot or cold something is. What am I?
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Temperature
Back
I'm the particle that orbits the nucleus. What am I?
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Electron
Back
I'm the particle in the nucleus with no charge. What am I?
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Neutron
Back
I'm the positively charged particle in the nucleus. What am I?
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Proton
Back
I'm the principle that states momentum before collision equals momentum after. What am I?
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Conservation of momentum
Back
I'm the energy released when an object accelerates toward the ground. What am I?
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Kinetic energy
Back
I'm the bending of light around a massive body. What am I?
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Gravitational lensing
Back
I'm the effect where time slows down at high speed. What am I?
Tap to Reveal
Time dilation
Back
I'm the tendency of spinning objects to maintain orientation. What am I?
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Angular momentum / Gyroscopic effect
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