Across
1
Icy body with a tail near the sun
4
Form of thermal energy
5
Substance with pH below 7
7
Ball of burning gas in space
Down
2
Mass per unit volume
3
Magnetic metallic element
6
Curved glass that refracts light
8
Gas form of a liquid
Icy body with a tail near the sun
Form of thermal energy
Substance with pH below 7
Ball of burning gas in space
Mass per unit volume
Magnetic metallic element
Curved glass that refracts light
Gas form of a liquid