Across
1
Path of a planet around the sun
4
Unit of energy
6
Ball of burning gas in space
7
Measure of matter in an object
8
Basic unit of life
Down
2
Precious yellow metallic element
3
Absolute temperature scale unit
5
Group of similar cells
Path of a planet around the sun
Unit of energy
Ball of burning gas in space
Measure of matter in an object
Basic unit of life
Precious yellow metallic element
Absolute temperature scale unit
Group of similar cells