Across
1
Unit of force
2
Tectonic landmass section
4
Amplified beam of light
5
Hottest planet in solar system
6
Our home planet
11
Compound containing oxygen
Down
2
Positive particle in nucleus
3
Chemical element in table salt
7
Substance with pH above 7
8
Absolute temperature scale unit
9
Unit of energy
10
Preserved remains of ancient life