Across
- 2. the fourth state of matter after solid, liquid, and gas
- 6. a state of matter in which the matter retains its shape
- 7. liquid or gas
- 8. an object's mass per unit volume
Down
- 1. a state of matter in which the matter fills all the available space
- 3. a state of matter in which the matter takes the shape of any surrounding container
- 4. any object that has mass and takes up space
- 5. the amount of force matter pushes on an area