| A | B |
|---|
| transparent | An object that can be seen through clearly. |
| opaque | An object that can not be seen through at all. |
| translucent | An object that can be seen through partly. |
| light | A form of energy. |
| natural light source | A light source that produces its own light naturally such as the sun. |
| artificial light source | A light source that has been created by humans to produce light such as a lightbulb. |
| reflected light sources | A light source that does not give off its own light but rather it reflects light, such as the moon. |
| refraction | The bending of light. |
| reflection | The reflecting of light such as with mirrors. |
| ROY G BIV | The acronym for the colors of the rainbow |
| white light | Made up of the colors of the rainbow. |
| concave | A type of lense that makes objects look smaller. |
| convex | A type of lens that makes objects look bigger. |
| lens | Concave and convex are two types of these. |
| shadow | When an object blocks light it creates one of these. |
