Across
1
Amplified beam of light
5
Icy body with a tail near the sun
6
Tectonic landmass section
7
Precious yellow metallic element
9
Hottest planet in solar system
12
Reddish electrical conductor
14
Mass per unit volume
Down
2
Absolute temperature scale unit
3
Biological catalyst
4
Measure of matter in an object
5
Solid with repeating atomic pattern
8
Unit of electric potential
10
Ball of burning gas in space
11
Smallest unit of an element
13
Naturally occurring inorganic solid