Across
- 1. Smallest particle of an element.
- 4. Anything that takes up space and has mass
- 5. Outer part of the Earth
- 10. physical characteristics of an object
- 11. Layer of gas surrounding Earth
- 12. form of matter with consistent properties
- 14. how much matter in an object
- 15. pure substances made up of one type of atom
Down
- 2. 2 or more substances combined that's easy to separate
- 3. Table of Elements Table where elements are listed
- 6. All the water on Earth
- 7. Composition Made from the same substance or combination throughout.
- 8. Amount of space an object takes up
- 9. All living things
- 13. 2 or more elements combined