Electricity and Its Uses

What is the primary function of a battery in an electrical device?

• To store kinetic energy

• To convert sound into electricity

• To provide electrical energy

• To make devices heavier

Which device converts electrical energy into kinetic energy?

• Loudspeaker

• Motor

• Light bulb

• Battery

What should you connect to make a motor spin?

• Black wire to red terminal

• Red wire to red terminal

• Red wire to black terminal

• No wires needed

Which of the following devices converts electricity into sound?

• Light bulb

• Motor

• Battery

• Loudspeaker

What is the role of a loudspeaker in an electrical circuit?

• To store electrical energy

• To convert electricity into sound

• To convert sound into electricity

• To convert electricity into light

What is essential for us to see in the dark?

• Motor

• Battery

• Sound

• Light

Which household appliance uses electricity to heat water?

• Television

• Motor

• Loudspeaker

• Kettle

What do you typically put in a toaster?

• Water

• Milk

• Bread

• Eggs

What do cows drink?

• Water

• Milk

• Soda

• Juice

Which of the following is NOT a use of electricity mentioned in the video?

• Lighting

• Heating

• Cooling

• Spinning