Across
- 3. The way a mineral reflects light
- 6. all the gases that surround Earth
- 9. A state of matter that has a definite shape and volume
- 17. living things
- 18. A mixture that is not uniform in composition; components are not evenly distributed throughout the mixture
- 19. A state of matter that has a definite volume but no definite shape.
- 20. Center of an atom
- 22. energy of motion
- 23. A material that does not allow heat or electrons to move through it easily.
- 24. Basic unit of matter
- 26. A subatomic particle that has no charge and that is found in the nucleus of an atom
- 28. matter that has a uniform and definite composition
- 29. A subatomic particle that has a positive charge and that is found in the nucleus of an atom
- 30. the solid part of the earth consisting of the crust and outer mantle
- 31. Elements that are poor conductors of heat and electric current
- 33. The tendency to crack or break
- 35. the force that holds two atoms together
- 36. Elements that are good conductors of electric current and heat.
Down
- 1. all the parts of the planet that are inhabited by living things
- 2. number of protons
- 4. A state of matter with no definite shape or volume
- 5. compound that contains a metal
- 7. A mixture that forms when one substance dissolves another.
- 8. A mixture in which substances are evenly distributed throughout the mixture
- 10. two or more atoms held together by bonds
- 11. All the water on earth
- 12. The land area that supplies water to a river system.
- 13. The ability of an object to transfer heat or electricity to another object.
- 14. A substance made of only one kind of matter and having definite properties.
- 15. The ability to be pulled into thin wires
- 16. Non-living things
- 21. Elements that have properties of both metals and nonmetals.
- 25. A substance made up of atoms of two or more different elements joined by chemical bonds
- 27. mass/volume
- 32. Number of protons and neutrons
- 34. negatively charged particle