| A | B |
|---|
| Poles | The 2 ends of a magnet. |
| Attract | To stick together |
| Repel | To pull apart |
| Gravity | The force that holds 2 things together. |
| Light | Energy that travels quickly in waves. |
| Sound | Energy that travels slowly in waves and is caused by vibrations. |
| Chemical | Energy let go when molecules or atoms are changed. |
| Mechanical | The energy of objects in motion. |
| Electrical | Electrons that travel through a conductor. |
| Transparent | All light passes through |
| Translucent | Some light can pass through |
| Opaque | Something light cannot pass through. |
| Reflect | To bounce back. |
| Refract | To bend. |
| Transmit | To pass from one place to another. |
| Absorb | To suck up. |
