Across
1
Measure of matter in an object
2
Push or pull on an object
3
Solid with repeating atomic pattern
4
Amplified beam of light
9
Absolute temperature scale unit
Down
1
Molten rock beneath Earth surface
2
Preserved remains of ancient life
5
Hottest planet in solar system
6
Positive particle in nucleus
7
Infectious microscopic agent
8
Compound containing oxygen