Across
1
Unit of electric potential
4
Tectonic landmass section
5
Natural satellite of Earth
6
Hottest planet in solar system
7
Push or pull on an object
9
Force that attracts objects together
Down
2
Group of similar cells
3
Reddish electrical conductor
4
Particle of light
8
Amplified beam of light
9
Precious yellow metallic element
10
Solid with repeating atomic pattern
