Across
- 6. the lowest possible temperature where particles have minimal kinetic energy
- 10. A change in a substance that affects its form or appearance but does not alter its chemical composition
- 12. The temperature at which a liquid changes to a gas throughout the substance
- 16. a mixture where particles are dispersed but not dissolved, such as fog or milk
- 18. a state of matter with no definite shape or volume, where particles move freely
- 19. the energy that an object or particle possesses due to its motion
- 20. the smallest unit of an element that retains its chemical properties
- 21. a pure substance that cannot be broken down into simpler substances by chemical means
- 22. a homogeneous mixture consisting of a solute dissolved in a solvent
- 24. a reaction or process that releases heat to the surroundings
- 27. A solid that forms and separates from a liquid mixture during a chemical reaction
- 29. the tendency of a substance to undergo a chemical reaction with other substances
- 30. the ability of a material to be hammered or rolled into thin sheets without breaking
- 32. The temperature at which a solid substance changes into a liquid
- 33. the ability of a material to allow the flow of heat or electricity
- 34. A form of matter that has a constant composition and properties throughout, either an element or a compound
- 35. the process by which a liquid changes into a gas or vapor
Down
- 1. A transition between different states of matter, such as from solid to liquid or liquid to gas
- 2. a heterogeneous mixture in which particles are dispersed in a liquid or gas but will eventually settle out
- 3. a method to separate solids from liquids or gases using a porous barrier
- 4. a state of matter that has a definite shape and volume, with particles closely packed
- 5. the process by which a gas changes into a liquid
- 7. the phase change in which a solid turns directly into a gas without passing through the liquid phase
- 8. The pressure exerted by a vapor in equilibrium with its liquid or solid phase in a closed container
- 9. a substance formed by the chemical combination of two or more elements
- 11. A characteristic of a substance that describes its ability to undergo a chemical change
- 13. A mixture in which the components are uniformly distributed and cannot be distinguished, such as air or saltwater
- 14. the ability of a substance to burn or ignite in the presence of oxygen
- 15. A process that produces one or more new substances with different properties
- 17. the amount of heat energy required to change a liquid into a gas at its boiling point
- 21. a reaction or process that absorbs heat from the surroundings
- 23. A characteristic of a substance that can be observed or measured without changing its chemical identity, such as color or density
- 25. A mixture in which the components are not uniformly distributed and can often be seen with the naked eye, such as a salad
- 26. a measure of a fluid's resistance to flow, often described as its thickness or stickiness
- 28. the process by which a liquid changes to a gas at temperatures below the boiling point
- 31. a state of matter that has a definite volume but no definite shape, taking the shape of its container