Across
1
Reddish electrical conductor
4
Ball of burning gas in space
5
Absolute temperature scale unit
6
Mass per unit volume
Down
2
Gas essential for breathing
3
Form of thermal energy
7
Disturbance that transfers energy
8
Nerve cell in the brain
Reddish electrical conductor
Ball of burning gas in space
Absolute temperature scale unit
Mass per unit volume
Gas essential for breathing
Form of thermal energy
Disturbance that transfers energy
Nerve cell in the brain