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Sci 7th grade quiz
Forms of energy
| Question | Answer |
|---|---|
| Define energy | The ability to make matter move or change |
| What are two energy classes? | Kinetic (KE) and Potential Energy (PE |
| What is kinetic energy? | Energy of motion |
| What is higher speed? | More KE |
| Does a slower car have more or less less kinetic energy | A slower car has less kinetic energy |
| Does a faster car have more more or less less kinetic energy | A faster car has more kinetic energy |
| What is potential energy? | Stored energy |
| Does Wood have more or less potential energy | Wood has more (PE) |
| Do ashes have more or less potential energy | Ashes have less potential energy |
| Name are 8 forms of energy? | Mechanical, chemical, thermal, electric, magnetic, electromagnetic, sound, nuclear |
| Mechanical energy | Moving objects |
| Chemical energy | Stored in molecular bonds |
| Thermal energy | Heat |
| Electric energy | Moving electrons |
| Magnetic energy | Stored in fields around the magnet |
| Electromagnetic energy | Light and radiation |
| Sound energy | Vibrations |
| Nuclear energy | Holds protons and neutrons together in an atomic nuclei |
| Laws of conservation of energy | Energy cannot be created or destroyed |
| List three things energy can do | Move into something from its surroundings, be lost from something into its surroundings, change from one form to another |
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