Across
1
Tissue that contracts for movement
5
Hottest planet in solar system
6
Solid with repeating atomic pattern
7
Center of an atom or cell
9
Element found in all living things
Down
2
Curved glass that refracts light
3
Disturbance that transfers energy
4
Amplified beam of light
8
Tectonic landmass section
10
The Red Planet
11
Push or pull on an object