Across
1
Tissue that contracts for movement
4
Gas form of a liquid
5
Substance with pH above 7
6
Solid with repeating atomic pattern
7
Nerve cell in the brain
12
Precious yellow metallic element
Down
2
Amplified beam of light
3
Hottest planet in solar system
8
Naturally occurring inorganic solid
9
Magnetic metallic element
10
Molten rock beneath Earth surface
11
Glass that splits light into spectrum