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Science Unit 2 Vocab
| Term | Definition |
|---|---|
| Energy | ability to do work |
| Mechanical energy | work done from something that is moving |
| Electrical energy | work done from electricity (something that is plugged in) |
| Light Energy | Energy we can see, travels in waves |
| Thermal energy | Energy from heat |
| Sound energy | energy we can hear, made from vibrations |
| Circuit | a closed path that electricity can flow through |
| Source | Electricity from a battery or generators |
| Pathway | The path that energy flows through in a circuit (the wires) |
| Load | the object you want to work (lightbulb, buzzer) |
| Current | the flow of electricity through a conductor or path |
| Electromagnet | a temporary magnet, made of wire wrapped around a piece of wire, hooked to a battery |
| Reflect | the bouncing of light rays off of a surface, light enters and exits at the same angle |
| Refract | the bending of light as it moves through one material to another |
| Concave Lens | Lens is thinner in the middle, makes objects look smaller |
| Convex Lens | Lens is thicker in the middle, makes objects look bigger |
| Transparent | Clear, all light can pass through |
| Translucent | Cloudy, some light can pass through |
| Opaque | No light can pass through |
| Force | A push or a pull |
| Motion | A change in the position of an object |
| Gravity | A force that pulls towards the center of a celestial body (like Earth) |
| Friction | The force in which two things rub against each other, causing heat and for things to slow down |
Created by:
jjohnson32
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