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science U2L1
| Question | Answer |
|---|---|
| Energy cannot be created or destroyed, | only changed from one form to another. |
| Energy can move or be passed | between objects or systems |
| Light energy | comes from the Sun, light bulbs, or fires. |
| Sound energy | created by vibrations (like drums or guitar strings) |
| Thermal energy | energy due to the motion of particles; the faster they move, the hotter it gets. |
| Electrical energy | energy from moving electrons; powers devices. |
| Chemical energy | stored in food, fuel, and batteries; released when used. |
| Mechanical energy | movement energy. |
| Nuclear energy | released from the nucleus of atoms (like in the Sun). |
| The internal energy of an object due to the motion (kinetic energy) of its particles is called what? | thermal energy |
| The Sun gives Earth | light energy and thermal energy. |
| All energy is transferred, but | it may appear in different forms and amounts. |
| When you turn on a lamp, electrical energy changes into _______ and _________. | light and heat |
| What forms of energy power life and weather on Earth? | light energy and thermal energy |
| When hot soup touches a spoon, thermal energy transfers from the soup to the __________. | spoon |
| When you pluck a guitar string, mechanical energy transfers to ______ _______. | sound energy |
| A flashlight changes chemical energy (battery) to _______ energy (wires) to _________energy (bulb). | electrical; light |
Created by:
rformby01
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