Across
1
Unit of heredity
3
Gas form of a liquid
5
Path of a planet around the sun
7
Form of thermal energy
9
Amplified beam of light
10
Curved glass that refracts light
11
Unit of electric potential
Down
1
Precious yellow metallic element
2
Tectonic landmass section
4
Magnetic metallic element
6
Group of similar cells
8
Force that attracts objects together