Term 3 Crossword Puzzle

2. When an object will not let light pass through it is referred to as _______ .
4. The angle of a ray of light before it hits a surface is called the angle of __________ .
7. The name of the famous scientist who is credited with discovering gravity.
9. The best youtube channel that exists.
10. The amount of matter an object is made up of.
13. This is cast when a light is shone onto an object.
14. The most harmful type of radiation is called ________ radiation.
16. The name of the darkest black that exists.

1. The name of the law that determines whether light bounces back at the same angle it hits a surface.
3. The name for light that is given off by living organisms.
5. An object that has mass.
6. The amount of space an object takes up.
8. The name of the spectrum that contains all light.
11. This type of radiation has the largest wavelength.
12. The school subject where interactions between physical bodies are studied.
15. The name of the wavelengths of light that humans can see.