Across
1
Our home planet
4
Nerve cell in the brain
7
Magnetic metallic element
8
Tectonic landmass section
10
Unit of force
12
Hottest planet in solar system
Down
2
Molten rock beneath Earth surface
3
Path of a planet around the sun
5
Push or pull on an object
6
Absolute temperature scale unit
9
Chemical element in table salt
11
Amplified beam of light