Across
1
Mass per unit volume
4
Reddish electrical conductor
5
Basic unit of life
6
Substance with pH below 7
7
Ball of burning gas in space
Down
2
Measure of matter in an object
3
Unit of force
5
Solid with repeating atomic pattern
Mass per unit volume
Reddish electrical conductor
Basic unit of life
Substance with pH below 7
Ball of burning gas in space
Measure of matter in an object
Unit of force
Solid with repeating atomic pattern