Across
1
Disturbance that transfers energy
3
Magnetic metallic element
6
Our home planet
7
Infectious microscopic agent
9
Substance with pH above 7
10
Glass that splits light into spectrum
Down
2
Second lightest element
4
Ball of burning gas in space
5
Push or pull on an object
8
Group of similar cells
10
Fourth state of matter
11
Naturally occurring inorganic solid