Across
1
Tissue that contracts for movement
4
Substance with pH above 7
5
Group of similar cells
8
Fourth state of matter
9
Element found in all living things
10
Smallest unit of an element
Down
1
Molten rock beneath Earth surface
2
Mass per unit volume
3
Tectonic landmass section
6
Absolute temperature scale unit
7
Curved glass that refracts light