Across
1
Hottest planet in solar system
4
Measure of matter in an object
5
Push or pull on an object
6
Smallest unit of an element
7
Element found in all living things
9
Path of a planet around the sun
Down
2
Center of an atom or cell
3
Solid with repeating atomic pattern
4
Natural satellite of Earth
8
Compound containing oxygen
10
Glass that splits light into spectrum
11
Fourth state of matter