Across
1
Amplified beam of light
4
Measure of matter in an object
5
Particle of light
6
Biological catalyst
8
Preserved remains of ancient life
11
Glass that splits light into spectrum
Down
2
Infectious microscopic agent
3
Naturally occurring inorganic solid
4
The Red Planet
7
Magnetic metallic element
9
Form of thermal energy
10
Compound containing oxygen