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Energy and Forces
Chapter 3, Lessons 1 - 4
| Term | Definition |
|---|---|
| Energy | The ability to cause motion or create change |
| Electrical Energy | The energy caused by the movement of electrically charged particles |
| Thermal Energy | The energy caused by quickly moving atoms |
| Heat | How we feel the flow of thermal energy moving from a warmer object to a cooler object |
| Sound Energy | The energy of vibrations carried by water, air, and other types of matter |
| Light Energy | Travels in waves from the sun; allows plants to grow |
| Kinetic Energy | The energy of motion |
| Potential Energy | The energy that is stored up in an object |
| Mechanical Energy | A combination of both kinetic and potential energy |
| Conductor | Allows thermal energy to move easily through it |
| Insulator | Does NOT allow thermal energy to move easily through it |
| Refraction | the bending of light when it passes into something new |
| Absorption | occurs when an object takes in light waves, thereby stopping the light waves |
| Reflection | occurs when light rays bounce off a surface, like a mirror |
| Vibration | how sound moves |
| Waves | how light moves |
| Friction | the force that results when two objects rub against each other or when their touching prevents sliding |
| Prism | a piece of glass that separates white light into different colors |
| Gravity | a force that pulls two objects toward each other |
| Force 111111111 | a push or pull that acts on an object |
| Magnetism | the force that moves electric charges and magnetic materials |
Created by:
wces4
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