Across
1
Solid with repeating atomic pattern
4
Curved glass that refracts light
5
Precious yellow metallic element
6
Naturally occurring inorganic solid
7
Hottest planet in solar system
9
Path of a planet around the sun
Down
2
Absolute temperature scale unit
3
Chemical element in table salt
4
Amplified beam of light
8
Unit of force
10
Basic unit of life