Across
1
Element found in all living things
2
Blocking of light by a celestial body
3
The Red Planet
8
Amplified beam of light
9
Biological catalyst
Down
1
Reddish electrical conductor
3
Measure of matter in an object
4
Unit of heredity
5
Substance with pH above 7
6
Gas form of a liquid
7
Solid with repeating atomic pattern