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Energy Voc. & Questi
Energy Vocabulary and Practice Problems
| Question | Answer |
|---|---|
| the energy of moving objects (total PE + KE) | MECHANICAL ENERGY |
| light energy in the form of electromagnetic waves | RADIANT ENERGY |
| energy stored in the bonds between atoms and molecules | CHEMICAL ENERGY |
| the energy stored in the nuclei of atoms | NUCLEAR ENERGY |
| the energy produced by moving electrons | ELECTRICAL ENERGY |
| the energy produced by moving particles (atoms and molecules ) | THERMAL ENERGY |
| The ability to do work or cause a change | ENERGY |
| stored energy due to its position (height) or arrangement (molecular) | POTENTIAL ENERGY |
| energy of motion | KINETIC ENERGY |
| Energy cannot be created or destroyed; energy can change from one form to another | LAW OF CONSERVATION OF ENERGY |
| A change from one form of energy to another | ENERGY TRANSFORMATION |
| Energy that is produced by vibrations (as longitudinal waves) through a medium. | SOUND ENERGY |
| What state of energy do the gears in a working watch experience? | kinetic energy |
| What form of potential energy is stored in the gasoline in the tank of a car? | chemical energy |
| What is the major form of energy produced by a star? | nuclear |
| What form(s) of energy are produced by glow sticks? | chemical and radiant |
| What form of energy is used and released during digestion of food? | chemical, heat |
| What form(s) of energy are produced by a television? | electrical, radiant, mechanical (sound) and thermal |
| What form of energy is produced by musical instruments? | Mechanical (sound=vibrations) |
| A roller coaster will not make it over another hill or loop if it is as tall or taller than the initial hill. Why? | Much of the PE changes to KE, but a small amount of PE changes to thermal and sound energies |
| Explain how jumping on a trampoline has 2 different kinds of PE. | It has gravitational PE because the person jumps above the lowest point and has elastic PE whenever the jumper lands on the trampoline, stretching the material and springs. |
| Write an energy conversion chain for using a flashlight | chemical (battery)-->electrical (wires/metal connectors)-->radiant (bulb) |
| Nearly every kind of energy transformation produces __ energy | thermal |
| A pendulum ball will never be able to reach the height it was originally dropped from. Why? | Much of the PE changes to KE, but a small amount of PE changes to thermal and sound energies |
| A bouncing ball is observed to bounce to lower and lower heights until it stops. Why didn't the ball keep bouncing? | Much of the PE changes to KE, but a small amount of PE changes to thermal and sound energies |
| From which event did all the matter and energy in the universe come into existence? | The Big Bang (approximately 14 billion years ago!) |
| What forms(s) of energy are produced by a fire? | radiant, thermal and chemical energy are used and produced |
| What state of energy does a stretched elastic experience? | potential energy |
| What state of energy does a skier standing at the top of a mountain experience? | potential energy |
Created by:
jsolari
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