Across
1
Group of similar cells
5
Smallest unit of an element
7
Path of a planet around the sun
Down
2
Unit of power
3
Amplified beam of light
4
Form of thermal energy
6
Chemical element in table salt
8
Precious yellow metallic element
Group of similar cells
Smallest unit of an element
Path of a planet around the sun
Unit of power
Amplified beam of light
Form of thermal energy
Chemical element in table salt
Precious yellow metallic element