Across
1
Natural satellite of Earth
3
Disturbance that transfers energy
4
Glass that splits light into spectrum
5
Infectious microscopic agent
10
Blocking of light by a celestial body
Down
1
Tissue that contracts for movement
2
Reddish electrical conductor
6
Naturally occurring inorganic solid
7
Biological catalyst
8
Substance with pH above 7
9
Substance with pH below 7