ILEARN Science Practice #2

Front

What is a conductor?

Back

A material that allows electricity or heat to flow through it easily. Example: metal.

Front

What is the function of a switch in a circuit?

Back

To turn on and off the flow of current.

Front

What happens to sound when an object vibrates?

Back

Sounds are made when objects vibrate.

Front

What type of simple machine is a slide?

Back

A ramp.

Front

What is the relationship between sound loudness and vibration size?

Back

The louder the sound, the bigger the vibration.

Front

What is an insulator?

Back

A material that does not allow electricity or heat to flow through it easily. Example: rubber.

Front

What is a circuit?

Back

A closed loop that allows electricity to flow.

Front

What is the role of a battery in a circuit?

Back

To provide the electrical energy needed to power the circuit.

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.

Front

What is potential energy?

Back

Energy stored in an object due to its position or condition.