Across
1
Form of thermal energy
3
Absolute temperature scale unit
4
Hottest planet in solar system
7
Preserved remains of ancient life
Down
2
Center of an atom or cell
5
Unit of force
6
Curved glass that refracts light
8
Basic unit of life
Form of thermal energy
Absolute temperature scale unit
Hottest planet in solar system
Preserved remains of ancient life
Center of an atom or cell
Unit of force
Curved glass that refracts light
Basic unit of life