Across
1
Amplified beam of light
3
Natural satellite of Earth
5
Substance with pH below 7
8
Unit of energy
9
Infectious microscopic agent
Down
2
Fourth state of matter
4
Our home planet
6
Mass per unit volume
7
Chemical element in table salt
Amplified beam of light
Natural satellite of Earth
Substance with pH below 7
Unit of energy
Infectious microscopic agent
Fourth state of matter
Our home planet
Mass per unit volume
Chemical element in table salt