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Across 2. The change is state from a solid to a liquid. 4. Has a definite volume but NO definite shape. 7. Vaporization that takes place only on the surface of a liquid. 8. The amount of space that matter occupies. 9. Whose law states "when the pressure of a gas at a constant temperature is increased, the volume decreases. 14. Definite volume and definite shape. 15. The temperature at which a liquid boils. 20. The particles are moving so slowly that they begin to take a fixed position. 21. In Boyle's law, when pressure is increased, what happens to the volume?

Down 1. Whose law states "when the temperature of a gas at a constant pressure is increased, the volume increases. 3. NO definite volume or shape. 5. When a graph of two variables is a straight line passing through the origin, the variables are this. 6. This occurs on the mirror when you take a hot shower. 9. Vaporization that takes place both on the surface and below the surface. 10. When a liquid changes to a gas, it is called this. 11. On a graph, when the pressure decreases and the volume increases. It shows this. 12. A solid where the particles form a regular, repeating pattern. 13. During this, particles of a solid do not pass through the liquid state as they form gas. 16. In Charles's law, when the pressure decreased, the volume does this. 17. A measure of the average energy of motion of the particles of a substance. 18. A solid where the particles are NOT in a regular pattern. 19. Force divided by area.