Across
- 4. anything that has mass or takes up space
- 8. substance with two or more elements chemically combined in a set ratio
- 9. material that does not transfer heat well
- 11. atom with a different number of neutrons from protons
- 14. created first periodic table of elements
- 16. type of energy that is in motion
- 17. phase change from gas to liquid
- 18. phase change from liquid to solid
Down
- 1. how tightly packed matter is
- 2. phase change from liquid to gas
- 3. successfully isolated Radium salts in her lab in 1902
- 5. conducted Gold Foil experiment
- 6. phase change from solid to gas
- 7. the actual amount of matter in an object or body
- 8. discovered the neutron
- 10. material that transfers heat well
- 11. a charged atom that has lost or gained electrons
- 12. force exerted over the surface area of an object
- 13. branch of science dealing with matter and energy
- 15. phase change from solid to liquid