Across
1
Particle of light
4
Precious yellow metallic element
5
Unit of force
7
Basic unit of life
9
Magnetic metallic element
Down
2
Natural satellite of Earth
3
Curved glass that refracts light
6
Amplified beam of light
8
Solid with repeating atomic pattern
10
Tectonic landmass section
11
Path of a planet around the sun