Across
1
Amplified beam of light
4
Basic unit of life
5
Disturbance that transfers energy
8
Substance with pH above 7
9
Group of similar cells
10
Molten rock beneath Earth surface
Down
2
Tectonic landmass section
3
Infectious microscopic agent
4
Reddish electrical conductor
6
Measure of matter in an object
7
Precious yellow metallic element
11
Chemical element in table salt