Q2 ULTIMATE EXAM REVIEW- 8th GRADE 24-25

Front

What is a chemical property?

Back

A characteristic of a substance that can only be observed during a chemical reaction, such as flammability.

Front

Why can liquids change shape?

Back

The particles in a liquid can move past each other.

Front

Why do solids have a definite shape and volume?

Back

The particles of a solid remain in fixed positions and are very close together.

Front

What is a solute in a solution?

Back

The substance that is dissolved in a solvent to form a solution.

Front

What is a solvent in a solution?

Back

The substance that dissolves the solute to form a solution.

Front

What is a solution?

Back

A homogeneous mixture formed when a solute is dissolved in a solvent.

Front

What does the Law of Conservation of Mass state?

Back

In a chemical reaction, mass is neither created nor destroyed; the total mass of reactants equals the total mass of products.

Front

What is flammability?

Back

A chemical property that describes how easily a substance can ignite and burn.

Front

What happens to the particles in a solid when heated?

Back

They gain energy and may begin to vibrate more, potentially changing to a liquid state.

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.