5th Grade Science Review

Front

What happens to salt grains when they dissolve in water?

Back

The grains get smaller in size until they can no longer be seen.

Front

What object is primarily used to reflect light?

Back

Mirror.

Front

What is necessary for electricity to produce sound in a circuit?

Back

The electricity must travel in a complete path.

Front

What happens to oil when mixed with water?

Back

The oil maintains its physical properties.

Front

What is the best insulator among different containers?

Back

Container 3.

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.

Front

What is density?

Back

Density is the mass of a substance divided by its volume.

Front

What is a conductor?

Back

A material that allows electricity to flow through it easily.

Front

What is an insulator?

Back

A material that does not allow electricity to flow through it easily.

Front

What is the role of a battery in a circuit?

Back

A battery provides the electrical energy needed to power the circuit.