Across
1
Precious yellow metallic element
3
Biological catalyst
4
Positive particle in nucleus
8
Naturally occurring inorganic solid
Down
2
Push or pull on an object
4
Glass that splits light into spectrum
5
Unit of energy
6
Our home planet
7
Hottest planet in solar system
9
Magnetic metallic element
10
Absolute temperature scale unit
11
Compound containing oxygen
