Across
1
Hottest planet in solar system
2
Tectonic landmass section
4
Smallest unit of an element
5
Path of a planet around the sun
7
Magnetic metallic element
8
Amplified beam of light
10
Unit of power
Down
1
Gas form of a liquid
2
Positive particle in nucleus
3
Glass that splits light into spectrum
6
Icy body with a tail near the sun
9
Ball of burning gas in space
10
Disturbance that transfers energy