| A | B |
|---|
| light | energy that travels in waves and can move through empty space |
| reflection | the bouncing back of light waves off of a surface |
| refraction | the bending of light waves as they travel from one surface to another |
| lens | a curved piece of glass that bends light rays |
| convex lens | a lens that is thicker in the center and thinner at the edges, a shape that bends light inward |
| concave lens | a lens that is thinner in the center and thicker at the edges, a shape that bends light outward |
| illuminate | light up |
| light spectrum | the small part of the electromagnetic spectrum that the human eye can see; violet, blue, yellow, orange, and red |
| magnify | increase in size, power, and importance |
| medium | a substance or 'carrier' of |
| absorb | to take in or soak up |
| transmit | to cause or permit (light, heat, sound) to pass through a medium |
