Year 4 Science

Which form of energy is being used by the toaster?

• chemical

• electrical

• solar

• light

Which of the following is not a source of energy?

• Dry cell battery

• Food

• Sun

• Wire

An electric bulb transfers energy into

• Motion

• Heat and light

• Sound and light

• Light

Electrical current is a flow of

• Protons

• Atoms

• Neutrons

• Electrons

Which of the following is/are way(s) that could reduce waste of electrical energy?

• Use energy saving lamps

• Use natural light and ventilation

• Switch off electrical appliances that you are not using

• All of the above

Which form of energy is produced when a guitar string vibrates?

• Light energy

• Sound energy

• Wind energy

• Electrical energy

Which of the following is a way thermal energy is used at school everyday?

• cooking food for lunch

• writing with a pencil

• looking in a mirror

• turning on the lights

What type of energy is needed for a solar panel?

• Light

• Mechanical

• Sound

• Electrical

Which of the following could provide electricity?

• Power stations

• Solar panels

• Dry cell battery

• All of the above

Which of the following is/are advantages of using solar energy?

• stable source of energy

• large amount of electricity generated

• less pollution

• all of the above