Across
1
Unit of heredity
3
Group of similar cells
4
Magnetic metallic element
5
Substance with pH below 7
6
Unit of power
7
Solid with repeating atomic pattern
9
Fourth state of matter
10
Reddish electrical conductor
Down
1
Force that attracts objects together
2
Positive particle in nucleus
7
Element found in all living things
8
Hottest planet in solar system