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Forms of Energy
| Question | Answer |
|---|---|
| Energy | The ability to do work. |
| What are the 7 forms of energy? Hint: MR. CENTS | Mechanical Radiant Chemical Electrical Nuclear Thermal Sound |
| Mechanical Energy | The total energy an object has because of its motion and its position. (Potential + Kinetic) |
| Radiant Energy | Energy from light, travels in waves. |
| Chemical Energy | Energy stored in chemical bonds of molecules. |
| Electrical Energy | Energy from movement of electrons. |
| Nuclear Energy | Energy stored in the nucleus of atoms. |
| Thermal Energy | Energy from heat caused by moving molecules. |
| Sound Energy | Energy from vibrations. |
| Potential Energy | The energy held by an object because of its position relative to other objects; stored energy. |
| Kinetic Energy | The energy an object has because of its motion. |
| What 2 factors determine an objects potential energy? | Height & mass |
| What 2 factors determine an objects kinetic energy? | Mass & speed |
| Friction | A force that slows down or resists the motion of two objects when they touch and rub against each other. Friction would cause a rolling ball to decrease in speed. |
| Give an example of each: Mechanical Radiant Chemical Electrical Nuclear Thermal Sound | Mechanical- Roller coaster, bike ride Radiant- Lightbulb, sunlight Chemical- Battery, food, gasoline Electrical- Lightning, charging a phone Nuclear- Nuclear bomb Thermal- Fire, melting ice Sound- Music |
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