| A | B |
|---|
| Light | A form of energy that travels in waves and can move through empty space |
| Translucent | Property of a material that lets some light pass through |
| Opaque | Property of a material that does not let any light through |
| Transparent | Property of a material that lets light easily pass through |
| Reflection | The bouncing back of light waves off a surface |
| Refraction | The bending of light waves as they travel from one surface to another |
| Transmit | Light travels straight through a substance |
| Scatter | To send out in different directions |
| Absorb | Light is taken in and transferred into heat energy |
| Symmetry | Having matching parts on both sides of a line through the middle |
