Across
1
Amplified beam of light
5
Glass that splits light into spectrum
6
Measure of matter in an object
7
Magnetic metallic element
10
Push or pull on an object
11
Basic unit of life
12
Fourth state of matter
Down
2
Chemical element in table salt
3
Precious yellow metallic element
4
Reddish electrical conductor
8
Ball of burning gas in space
9
Mass per unit volume