| A | B |
| Transverse | Waves that go up & down at right angles to the path of travel, like a snake moving. |
| electricity | Electrons flowing is _________. |
| Vibration | When something moves back and forth, like a wave |
| Longitudinal | Waves that compress like a slinky and go parallel to the direction of travel. |
| Vacuum | Sound cannot travel through the _______ of outer space |
| Decibel | The units of measure for loudness |
| Hertz | frequency is measured in |
| Pole | The end of a magnet, where the force is strongest |
| Repel | Magnetic poles that are the same will |
| Atom | Smallest particle that is still a chemical substance |
| Proton | Positive Subatomic particle in nucleus |
| Electron | Negative Subatomic particle |
| outside | Electrons are __________ the nucleus |
| Magnetic Field | Electricity flowing through a wire makes a ____________ around the wire. (Compass needles show this) |
| Electromagnet | A magnet that can switch on\off, reverse poles, and change strength. |
| Repel | Two charges that are alike will |
| Resistance | Electrons will always follow the path of least ____. |
| Series | A circuit with lights in one path is a ______ circuit. (One after another) |
| parallel | A circuit with many paths is a ______ circuit. (side by side) |
| Refracts | A pencil in water looks broken because the light _______,or bends between air and water. |
| concave | A lens that’s thinner at the center is a ____ lens. |
| reflected | The light you see is often _______ back off of things. |
| absorbed | If you see a red shirt in white light, blue is being ______ by the shirt. |
| plane | A flat mirror is a _____ mirror. |
| Circuit | A path with an electric source, device, and conductor is a _______.. |
| magnetism | Electrons spinning in the same direction is _______. |
| Medium | The stuff a vibration or wave goes through. |