Across
1
Fourth state of matter
3
Gas essential for breathing
5
Tectonic landmass section
7
Amplified beam of light
9
Disturbance that transfers energy
Down
2
Substance with pH above 7
4
Biological catalyst
6
Gas form of a liquid
8
Our home planet
Fourth state of matter
Gas essential for breathing
Tectonic landmass section
Amplified beam of light
Disturbance that transfers energy
Substance with pH above 7
Biological catalyst
Gas form of a liquid
Our home planet