Across
1
Unit of power
4
Icy body with a tail near the sun
6
Biological catalyst
8
Hottest planet in solar system
Down
2
Measure of matter in an object
3
Mass per unit volume
5
Natural satellite of Earth
7
Disturbance that transfers energy
Unit of power
Icy body with a tail near the sun
Biological catalyst
Hottest planet in solar system
Measure of matter in an object
Mass per unit volume
Natural satellite of Earth
Disturbance that transfers energy