| A | B |
|---|
| translucent | materials that allow some light to pass through but not enough for a clear image |
| light spectrum | the small part of the electromagnetic spectrum that the human eye can see |
| mirror | any object that has a reflective surface |
| reflection | energy waves bouncing off the surface of an object |
| opaque | materials that do not let light pass through |
| telescope | an instrument that uses mirrors and/or lenses to gather and focus light from objects far away |
| refraction | energy waves that bend, change direction or speed as they pass from one type of material into another type |
| magnify | an increase in size, power, or importance |
| illuminate | light up |
| lens | a clear piece of curved glass or plastic that bends passing light to focus or spread the light rays |
