Science year 3

The ability to do work is:

• Electricity

• Energy

• Light

• Circuit

This component in a circuit allows the flow of electricity.

• Light bulb

• Battery

• Buzzer

• Wire

Which material is a good conductor of electricity?

• Wood

• Plastic

• Copper

• Glass

Another name for stored energy is:

• Electric energy

• Potential energy

• Magnetic energy

• Kinetic energy

Another name for movement energy is:

• Kinetic energy

• Potential energy

• Electric energy

• Magnetic energy

The energies transferred in rubbing hands is:

• Electric energy to heat energy

• Light energy to sound energy

• Kinetic energy to heat energy

• Sound energy to heat energy

The energies transferred when shaking a tin of screws:

• Kinetic energy to sound energy

• Potential energy to heat energy

• Sound energy to movement energy

• light energy to electric energy

The energies transferred when a bell rings:

• Potential energy to heat energy

• Potential energy to light energy

• Electric energy to sound energy

• Kinetic energy to sound energy

Select the correct answer for what energies do:

• They are used up

• They are destroyed

• They are replaced

• They are transferred

These allow the circuit to break when there is a heavy load of electricity streaming in:

• Motors

• Buzzers

• Fuses

• Lamps