Across
1
Force that attracts objects together
3
Unit of heredity
6
Our home planet
9
Particle of light
Down
2
Nerve cell in the brain
4
Absolute temperature scale unit
5
Tectonic landmass section
7
Compound containing oxygen
8
Form of thermal energy
Force that attracts objects together
Unit of heredity
Our home planet
Particle of light
Nerve cell in the brain
Absolute temperature scale unit
Tectonic landmass section
Compound containing oxygen
Form of thermal energy