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Gr 5 Light
| Question | Answer |
|---|---|
| convex | A lens or mirror that curves outward and makes objects appear larger and closer |
| concave | A lens or mirror that curves inward and makes objects appear smaller and farther away |
| reflection | the bouncing back of light from a surface |
| refraction | the bending of light |
| transmitted | when light passes through an object |
| absorbed | when light is taken in by an object |
| transparent | material that allows light to pass through it easily |
| translucent | material that allows light to pass through but not in a straight path |
| opaque | material that does not allow light to pass through it |
| crest | the highest part of a wave |
| trough | the lowest point of a wave |
| wavelength | the difference between one wave peak to the next wave peak |
| lens | a curved piece of glass or plastic that bends light rays |
| visible spectrum | waves that have different lengths that our eye can see as different colors |
| violet | the shortest wave that we can see |
| red | the longest wave that we can see |
| frequency | the number of waves that move past a point in a period of time |
| prism | a glass bar that separates white light into the colors of the rainbow |