Across
1
Tissue that contracts for movement
4
Hottest planet in solar system
7
Molten rock beneath Earth surface
Down
1
The Red Planet
2
Disturbance that transfers energy
3
Amplified beam of light
5
Mass per unit volume
6
Group of similar cells
Tissue that contracts for movement
Hottest planet in solar system
Molten rock beneath Earth surface
The Red Planet
Disturbance that transfers energy
Amplified beam of light
Mass per unit volume
Group of similar cells