Across
1
Fourth state of matter
3
Path of a planet around the sun
4
Hottest planet in solar system
7
Element found in all living things
10
Precious yellow metallic element
11
Ball of burning gas in space
Down
2
Solid with repeating atomic pattern
5
Naturally occurring inorganic solid
6
Curved glass that refracts light
8
Tissue that contracts for movement
9
Our home planet