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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 |