Across
1
The Red Planet
3
Compound containing oxygen
6
Second lightest element
Down
2
Amplified beam of light
4
Natural satellite of Earth
5
Tissue that contracts for movement
7
Center of an atom or cell
8
Preserved remains of ancient life
The Red Planet
Compound containing oxygen
Second lightest element
Amplified beam of light
Natural satellite of Earth
Tissue that contracts for movement
Center of an atom or cell
Preserved remains of ancient life