5th Grade Matter Review

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances.

Front

What happens to the molecular structure during a physical change?

Back

The molecular structure remains the same, but the arrangement or state of the molecules changes.

Front

What is evaporation?

Back

Evaporation is the process by which liquid water turns into water vapor, usually due to heat.

Front

What is rusting?

Back

Rusting is a chemical change that occurs when iron reacts with oxygen and moisture to form iron oxide.

Front

What is concentration in a solution?

Back

Concentration refers to the amount of solute (like salt) present in a given amount of solvent (like water).

Front

How can you increase the concentration of a saline solution?

Back

You can increase the concentration by adding more salt to the solution.

Front

What is the evidence of a chemical change?

Back

Evidence of a chemical change includes the formation of gas, color change, temperature change, or the formation of a precipitate.