Across
1
Element found in all living things
3
Center of an atom or cell
4
Push or pull on an object
5
Unit of power
Down
2
Our home planet
3
Nerve cell in the brain
6
Curved glass that refracts light
7
Infectious microscopic agent
Element found in all living things
Center of an atom or cell
Push or pull on an object
Unit of power
Our home planet
Nerve cell in the brain
Curved glass that refracts light
Infectious microscopic agent