Across
1
Unit of power
2
Chemical element in table salt
3
Reddish electrical conductor
6
Magnetic metallic element
8
Nerve cell in the brain
10
Our home planet
11
Measure of matter in an object
Down
2
Ball of burning gas in space
3
Icy body with a tail near the sun
4
Compound containing oxygen
5
Precious yellow metallic element
7
Glass that splits light into spectrum
9
Push or pull on an object