Across
1
Natural satellite of Earth
4
Group of similar cells
5
Nerve cell in the brain
7
Naturally occurring inorganic solid
Down
2
Glass that splits light into spectrum
3
Biological catalyst
5
Unit of force
6
Ball of burning gas in space
Natural satellite of Earth
Group of similar cells
Nerve cell in the brain
Naturally occurring inorganic solid
Glass that splits light into spectrum
Biological catalyst
Unit of force
Ball of burning gas in space