Across
1
Element found in all living things
3
Ball of burning gas in space
5
Natural satellite of Earth
7
Reddish electrical conductor
Down
2
Measure of matter in an object
4
Positive particle in nucleus
6
Substance with pH below 7
8
Unit of energy
Element found in all living things
Ball of burning gas in space
Natural satellite of Earth
Reddish electrical conductor
Measure of matter in an object
Positive particle in nucleus
Substance with pH below 7
Unit of energy