Across
1
Force that attracts objects together
4
Push or pull on an object
5
Basic unit of life
6
Gas essential for breathing
8
Icy body with a tail near the sun
Down
1
Unit of heredity
2
Unit of force
3
Tectonic landmass section
7
Unit of energy
Force that attracts objects together
Push or pull on an object
Basic unit of life
Gas essential for breathing
Icy body with a tail near the sun
Unit of heredity
Unit of force
Tectonic landmass section
Unit of energy