Across
1
Tissue that contracts for movement
3
Reddish electrical conductor
7
Unit of force
8
Group of similar cells
9
Smallest unit of an element
10
Mass per unit volume
11
Icy body with a tail near the sun
Down
1
Measure of matter in an object
2
Substance with pH above 7
3
Solid with repeating atomic pattern
4
Tectonic landmass section
5
Compound containing oxygen
6
Blocking of light by a celestial body