Across
1
Ball of burning gas in space
4
Path of a planet around the sun
5
Mass per unit volume
Down
2
Hottest planet in solar system
3
Unit of power
6
Reddish electrical conductor
7
Substance with pH above 7
8
Tectonic landmass section
Ball of burning gas in space
Path of a planet around the sun
Mass per unit volume
Hottest planet in solar system
Unit of power
Reddish electrical conductor
Substance with pH above 7
Tectonic landmass section