Across
1
Icy body with a tail near the sun
4
Reddish electrical conductor
5
Compound containing oxygen
6
Naturally occurring inorganic solid
7
Preserved remains of ancient life
Down
2
Push or pull on an object
3
Center of an atom or cell
5
Path of a planet around the sun
8
Precious yellow metallic element
9
Element found in all living things
10
Magnetic metallic element
11
Curved glass that refracts light
12
Chemical element in table salt