Across
- 5. The fourth state of matter, a superheated, ionized gas.
- 6. A physical state of matter.
- 8. The amount of space something takes up.
- 11. A subatomic particle with no electric charge.
- 13. How much stuff is packed into a certain amount of space.
Down
- 1. A state of matter that flows and takes the shape of its container.
- 2. A fundamental state of matter with particles that are far apart, rapidly moving, and lack a defined shape or volume.
- 3. The amount of matter in an object.
- 4. Groups of 2 or more atoms bonded together.
- 7. The structure and behavior of matter.
- 9. It makes up everything.
- 10. A particle of matter.
- 12. The fundamental building block of everything.