Across
1
Absolute temperature scale unit
4
Preserved remains of ancient life
5
Push or pull on an object
7
Smallest unit of an element
8
Measure of matter in an object
10
Chemical element in table salt
11
Tectonic landmass section
Down
2
Tissue that contracts for movement
3
Biological catalyst
6
Unit of energy
9
Icy body with a tail near the sun