Across
1
The Red Planet
2
Hottest planet in solar system
3
Curved glass that refracts light
4
Second lightest element
6
Reddish electrical conductor
7
Tectonic landmass section
11
Element found in all living things
Down
1
Tissue that contracts for movement
2
Gas form of a liquid
5
Unit of energy
8
Measure of matter in an object
9
Disturbance that transfers energy
10
Amplified beam of light