Across
- 2. point - The temperature and pressure at which the liquid and gas phases of a substance become indistinguishable.
- 3. energy - The energy of motion possessed by particles of matter.
- 4. point - The temperature at which a substance changes from a liquid to a gas at a constant pressure.
- 5. - The measure of how much a substance can be squeezed or compressed without losing its shape or volume.
- 7. - The process by which a liquid changes to a gas.
- 8. - The phenomenon in which certain materials exhibit zero electrical resistance at very low temperatures.
- 12. - The process by which a liquid changes to a solid.
- 13. - A state of matter similar to a gas, but in which a significant portion of the particles are ionized, giving it unique properties.
- 14. - A state of matter characterized by particles that are closely packed together and have a definite shape and volume.
- 15. - A state of matter characterized by particles that are close together, but can move past one another, and have a definite volume but no definite shape.
- 17. - The state in which opposing forces or influences are balanced, resulting in a stable system.
- 18. point - The temperature at which a substance changes from a solid to a liquid at a constant pressure.
- 20. - Anything that occupies space and has mass, including solids, liquids, and gases.
- 21. - A substance that flows and takes the shape of its container, such as liquids and gases.
- 23. - The process by which a solid changes to a liquid.
- 25. condensate - A state of matter formed at temperatures close to absolute zero, in which a group of particles behaves as a single quantum entity.
- 26. diagram - A graphical representation of the phases of matter as a function of temperature and pressure.
- 27. - A state of matter that lacks a regular crystalline structure, such as glass.
- 29. - The process by which a liquid changes to a gas at temperatures below its boiling point.
Down
- 1. energy - The energy stored in the position or configuration of a system of particles.
- 6. change - A transition from one phase of matter to another, such as melting, freezing, boiling, or condensation.
- 8. tension - The inward force that causes the surface of a liquid to contract and acquire the least surface area possible.
- 9. - A measure of the average kinetic energy of the particles in a substance.
- 10. - The resistance of a liquid to flow.
- 11. - The process by which a gas changes directly to a solid without passing through the liquid state.
- 16. - The process by which a solid changes directly to a gas without passing through the liquid state.
- 19. - A state of matter that exhibits properties of both crystalline and amorphous structures.
- 22. - A distinct form of matter that is homogeneous throughout and has uniform physical and chemical properties.
- 24. - The process by which a gas changes to a liquid.
- 28. - A state of matter characterized by particles that are widely spaced apart and move freely, with no definite shape or volume.