Across
1
Smallest unit of an element
4
Natural satellite of Earth
5
Amplified beam of light
Down
2
Substance with pH above 7
3
Biological catalyst
6
Unit of energy
7
Ball of burning gas in space
8
Magnetic metallic element
Smallest unit of an element
Natural satellite of Earth
Amplified beam of light
Substance with pH above 7
Biological catalyst
Unit of energy
Ball of burning gas in space
Magnetic metallic element