PCS 5th Grade Physical Science Review

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity or heat to pass through it easily. Examples include rubber and plastic.

Front

What happens to a light bulb when the circuit is broken?

Back

The light bulb will not light up because the circuit is incomplete.

Front

What property of matter remains the same when a solid melts into a liquid?

Back

Mass remains the same when a solid melts into a liquid.

Front

How does freezing water affect its mass?

Back

Freezing the water will not change its mass.

Front

What happens to sugar when it is mixed with water?

Back

The sugar dissolves forming a solution.

Front

What is a conductor?

Back

A conductor is a material that allows electricity or heat to pass through it easily. Examples include metals like copper and aluminum.

Front

What is a solution?

Back

A solution is a mixture where one substance (solute) is dissolved in another (solvent), such as sugar in water.

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 definition of mass?

Back

Mass is the amount of matter in an object, usually measured in grams or kilograms.

Front

What happens to sand when mixed with water?

Back

The sand does not dissolve in water; it remains as a separate substance.