Big Idea 8 and 9

The mixture can be separated by particle size and magnetic attraction.

When heat is added to ice, it melts.

Solids and liquids have a definite volume.

Crushing the substance into smaller pieces can speed up the dissolving rate.

Burning is an example of a chemical change.

A mixture is a combination of two or more substances that are not chemically bonded.

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Temperature affects the energy of particles, influencing whether a substance is in a solid, liquid, or gas state.

Dissolving is the process where a solute mixes with a solvent to form a solution.

Solubility is the ability of a substance to dissolve in a solvent at a given temperature and pressure.