Across
1
Push or pull on an object
4
Nerve cell in the brain
5
Group of similar cells
7
Precious yellow metallic element
Down
1
Preserved remains of ancient life
2
Hottest planet in solar system
3
The Red Planet
6
Gas essential for breathing
Push or pull on an object
Nerve cell in the brain
Group of similar cells
Precious yellow metallic element
Preserved remains of ancient life
Hottest planet in solar system
The Red Planet
Gas essential for breathing