Across
1
Biological catalyst
5
Path of a planet around the sun
6
Natural satellite of Earth
7
The Red Planet
Down
2
Molten rock beneath Earth surface
3
Substance with pH above 7
4
Unit of energy
8
Magnetic metallic element
Biological catalyst
Path of a planet around the sun
Natural satellite of Earth
The Red Planet
Molten rock beneath Earth surface
Substance with pH above 7
Unit of energy
Magnetic metallic element