Across
- 5. states of matter are considered __________________ properties of matter
- 6. in order to go from a solid to a liquid the temperature of the substance must ________________
- 8. A state of matter that is like a gas but is charged with energy
- 9. The state of matter where particles are close together but able to move around each other
- 14. the scientist credited with the discovery of the electron
- 17. one type of atom
- 18. There are ______________ states of matter
- 19. A chemical change is also known as a chemical _________________________
- 20. Particles are far apart and moving rapidly
- 21. a change in state from a gas to a liquid
Down
- 1. Reactivity is considered a _____________________ property of matter
- 2. either evaporation or boiling and it turns matter from a liquid to a gas
- 3. A solid has a ________________ shape meaning that it does not change
- 4. anything that has mass and occupies space
- 7. The basic building block of all matter
- 10. this Greek philosopher believed that matter was made of very small pieces called "atoms"
- 11. This scientist discovered the nucleus of the atom
- 12. a group of atoms bonded together
- 13. This scientist proposed properties of atoms and believed atoms were solid spheres
- 15. a change in state from a solid to a gas
- 16. substance In a chemical change a ___________________ is always formed