Across
- 1. A mixture that does not have a uniform appearane since the combined substances are unevenly distributed
- 4. A physical combination of two or more substances in a change in a changeable ratio
- 5. A particle consisting of two or more atoms covalently bonded together
- 8. The change in state directly from a gas to a solid without condensing first
- 15. The law that states that matter can neither be created nor destroyed, but can only change form
- 16. A material made of only one kind of element of compound
- 17. Anything that has mass and occupies space
- 19. The state of matter in which particles vibrate in fixed positions, giving a substance a fixed shape and volume
- 21. The building block of all matter; consists of protons, electrons, and neutrons
- 24. The temperature at which a solid turns to a liquid
- 25. A gas-like state of matter, formed at very high temperatures, that consists of high-energy ions and free electrons
- 28. The change of state from a gas to a liquid
- 29. Anything about a substance that can be observed or measured without altering its chemical composition
- 30. The space enclosed or occupied by an object
- 31. The state of matter in which particles are close together but able to move around
- 32. The change of state from a solid to a liquid
- 33. The relatively fast form of vaporization in which the energy within a liquid creates higher pressure within the liquid than the air pressure outside the liquid
- 34. A property of a substance tht describes how its chemical identify changes in the presence of another substance or under certain conditions
Down
- 2. The relatively slow form of vaporization in which liquid particles obtain sufficient energy to change to the gaseous state through the random collisions of particles
- 3. The change of state from a liquid to a solid
- 6. Any change in matter that does not alter its chemical or nuclear composition
- 7. The force of gravity acting on the matter in an object
- 9. A pure substance that consists of atoms with the same atomic number
- 10. The change of state from a liquid to a gas
- 11. A model that states that all physical matter exists in the form of particles
- 12. The mass per unit volume of an object
- 13. A pressure substance consisting of atoms of two or more elements that are chemically combined in a fixed ratio
- 14. The law that states that the masses of chemical substances combine in definite, characteristics integer ratios when forming compounds
- 18. The state of matter in which particles are far apart, move rapidly, and have little interaction with each other
- 20. A change that alters the chemical composition of a substance
- 22. A mixture that has a uniform appearance throughout
- 23. The change in state directly from a solid to a gas without melting first
- 26. The measure of the amount of matter in an object
- 27. The temperature at which a liquid starts to boil