Across
1
Push or pull on an object
2
Precious yellow metallic element
4
Center of an atom or cell
5
Icy body with a tail near the sun
7
Force that attracts objects together
9
Unit of electric potential
10
Absolute temperature scale unit
Down
2
Unit of heredity
3
Chemical element in table salt
6
Solid with repeating atomic pattern
8
Nerve cell in the brain