gas - something formed in a chemical change, looks like bubbles, light - something bright emitted during a chemical change, like glow sticks, precipitate - a solid that forms from two liquids mixing together in a chemical change, color - a change that occurs when rust is formed (shiny metal to orange), temperature - measured in degrees, can increase and decrease during a chemical reaction, odor - a smell that can occur during a chemical reaction, physical - a change of state, shape, or size, chemical - a change that results in a new substance forming, melting - solid turning into a liquid, dissolving - solute uniformly combining with a solvent to form a solution,

Chemical and Physical Changes Review

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