Across
- 2. makes up everything
- 4. something that takes up space and can be weighed
- 5. a substance that cannot be broken down into another substance.
- 7. something that is uniform throughout, meaning it has the same composition and properties at every point.
- 8. a three dimensional object hand built to demonstrate a purpose
- 10. a form of matter with a constant composition and definite properties
- 11. is in the nucleus of the atom and has a positive charge
Down
- 1. consisting of different, distinguishable parts or elements, or having a non-uniform composition
- 3. has a neutral charge and is in the nucleus of a atom
- 4. made up of multiple things that is not chemically bonded
- 6. made up of 2 elements
- 9. has a negative charge and is around the atom