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Energy Week 8
Week 8
| Term | Definition |
|---|---|
| Energy | The ability to do work |
| Mechanical Energy | Energy of something that is moving |
| Thermal Energy | Energy of heat |
| Solar Energy | Energy produced by the sun |
| Light Energy | Energy in the form of waves that can travel through an empty space |
| Sound Energy | Energy from vibrations |
| Electrical Energy | Energy of moving electrons or electric charges |
| Absorb | To soak up |
| Reflection/Reflect | The bouncing back of light waves off a surface |
| Refraction/refract | The bending of light waves as they move through one medium into another |
| Prism | A glass or transparent object that bends light that separates white light into a spectrum of colors |
| Transmit | To pass on to another |
| Medium | A substance or material that makes it possible for the transfer of energy from one location to another |
| Generator | A device that uses magnets to change mechanical energy into electricity |
| Current | The direction the electricity is moving |
| Source/Cell | Electricity from a battery, solar, cell, fossil fuels or wind generator |
| Path | A wire that a current flows through |
| Fuse | A safety device consisting of a strip of wire that melts and breaks an electric circuit if the current exceeds a safe travel |
| Parallel | A circuit where the electrons have many paths to take. If one light is removed the other lights will still work and will even get brighter. |
| Switch | Turns a circuit on and off |
| Series | An electric current in which electrons have only one path to take. If one light goes out or is removed, they all go out. |
Created by:
ghscience
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