Across
1
Smallest unit of an element
3
Unit of energy
7
Force that attracts objects together
8
Unit of heredity
Down
2
Preserved remains of ancient life
4
Precious yellow metallic element
5
Our home planet
6
Form of thermal energy
Smallest unit of an element
Unit of energy
Force that attracts objects together
Unit of heredity
Preserved remains of ancient life
Precious yellow metallic element
Our home planet
Form of thermal energy