| A | B |
|---|
| electromagnet | A magnet made by coiling a wire around a piece of iron and running electric current through the wire. |
| parallel circuit | An electric circuit that has more than one path for the current to follow. |
| series circuit | An electric circuit in which the current has only one path to follow. |
| electric circuit | The path an electric current follows. |
| insulator | A material that does not conduct electricity well. |
| electric current | The flow of electrons. |
| current electricity | A kind of kinetic energy that flows as an electric current. |
| watts | The amount of electric energy a device uses each second. |
| electricity | A form of energy produced by moving electrons. |
| conductor | a material that carries electricity well. |
| static electricity | The buildup of charges on an object. |
| frequency | The number of vibrations per second. |
| opaque | Not allowing light to pass through. |
| pitch | How high of low a sound is. |
| reflection | The bouncing of light off a surface. |
| refraction | The bending of light as it moves from one material to another. |
| translucent | Allowing only some light to pass through. |
| vibration | A back and forth movement of matter. |
| volume | The loudness or softness of a sound |
| concave lens | A lens that is thicker at the edges than it is at the center. |
| convex lens | A lens tht is thicker at the center than it is at the edges. |
| transparent | Allowing light to pass through. |
| transverse wave | The way a light wave moves. |
| compression wave | The way a sound wave moves. |
