Across
1
Icy body with a tail near the sun
3
Fourth state of matter
4
Unit of energy
5
Solid with repeating atomic pattern
Down
1
Reddish electrical conductor
2
Biological catalyst
3
Positive particle in nucleus
6
Natural satellite of Earth
Icy body with a tail near the sun
Fourth state of matter
Unit of energy
Solid with repeating atomic pattern
Reddish electrical conductor
Biological catalyst
Positive particle in nucleus
Natural satellite of Earth