Big Idea 8 and 9

Front

What is the method to separate a mixture of sand, iron filings, and marbles?

Back

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

Front

What happens to ice when heat is added?

Back

When heat is added to ice, it melts.

Front

Which states of matter have a definite volume?

Back

Solids and liquids have a definite volume.

Front

What can speed up the dissolving rate of a substance?

Back

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

Front

What is an example of a chemical change?

Back

Burning is an example of a chemical change.

Front

What is the definition of a mixture?

Back

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

Front

What is the difference between a physical change and a chemical change?

Back

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.

Front

What is the role of temperature in the state changes of matter?

Back

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

Front

What is the process of dissolving?

Back

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

Front

What is the definition of solubility?

Back

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