Across
1
Disturbance that transfers energy
3
Group of similar cells
4
Push or pull on an object
8
Form of thermal energy
Down
2
Icy body with a tail near the sun
5
Substance with pH above 7
6
Biological catalyst
7
Ball of burning gas in space
Disturbance that transfers energy
Group of similar cells
Push or pull on an object
Form of thermal energy
Icy body with a tail near the sun
Substance with pH above 7
Biological catalyst
Ball of burning gas in space