Across
1
Unit of energy
4
The Red Planet
6
Biological catalyst
Down
2
Fourth state of matter
3
Smallest unit of an element
5
Amplified beam of light
7
Measure of matter in an object
8
Push or pull on an object
Unit of energy
The Red Planet
Biological catalyst
Fourth state of matter
Smallest unit of an element
Amplified beam of light
Measure of matter in an object
Push or pull on an object