1) Solution a) A mixture of two or more substances where one dissolves in the other (e.g., saltwater). b) When a solid turns into a liquid 2) Dissolve a) When a solid turns into a liquid b) When a substance mixes evenly with a liquid, becoming part of the liquid 3) Evaporate a) When a solid turns into a liquid b) When a liquid turns into a gas 4) Disperse a) When a solid turns into a liquid b) To spread out or scatter 5) Reversible a) A change that can be undone b) A change that cannot be undone 6) Irreversible a) A change that can be undone b) A change that cannot be undone 7) Conduct a) To allow heat or electricity to pass through b) A material that is attracted to a magnet 8) Insulate a) To prevent heat or electricity from passing through b) A material that is attracted to a magnet 9) Particle a) A mixture of two or more substances where one dissolves in the other (e.g., saltwater). b) A tiny piece of matter 10) substance a) anything that has weight (mass) and takes up space. It can be a solid, liquid, or gas b) A mixture of two or more substances where one dissolves in the other (e.g., saltwater).

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