Across
1
Tissue that contracts for movement
4
Tectonic landmass section
6
Measure of matter in an object
7
Disturbance that transfers energy
9
Unit of electric potential
10
Push or pull on an object
Down
2
Infectious microscopic agent
3
Our home planet
5
Amplified beam of light
8
Fourth state of matter
11
Preserved remains of ancient life