Across
1
Preserved remains of ancient life
5
Glass that splits light into spectrum
6
Molten rock beneath Earth surface
7
Amplified beam of light
8
Ball of burning gas in space
Down
2
Infectious microscopic agent
3
Solid with repeating atomic pattern
4
Chemical element in table salt
9
Tissue that contracts for movement
10
Form of thermal energy
11
Path of a planet around the sun
