Across
1
Amplified beam of light
2
Hottest planet in solar system
6
Element found in all living things
10
Gas essential for breathing
Down
2
Infectious microscopic agent
3
Absolute temperature scale unit
4
Push or pull on an object
5
Compound containing oxygen
7
Chemical element in table salt
8
Substance with pH below 7
9
Gas form of a liquid
11
Natural satellite of Earth