Across
1
Amplified beam of light
4
Push or pull on an object
6
Tissue that contracts for movement
9
Unit of electric potential
11
Chemical element in table salt
Down
2
Icy body with a tail near the sun
3
Tectonic landmass section
5
Natural satellite of Earth
7
Disturbance that transfers energy
8
Substance with pH above 7
10
Mass per unit volume