Electricity Quiz

During a science project, Aria and David were discussing different devices they could use. Aria mentioned that they should focus on items that require electricity to work. What are these items called?

• Electrical appliances

• Mechanical devices

• Solar panels

• Chemical tools

Luna is curious about where mains electricity comes from. She wonders, where is mains electricity produced?

• In a battery

• In a power station

• In a solar panel

• In a wind turbine

During a science project, Luna and her friends are trying to power a small solar-powered car. What is required for solar cells to work?

• Darkness

• Light

• Heat

• Sound

Emma is trying to reduce her electricity bill. Which of the following is a way for her to conserve electricity?

• Leave lights on when leaving a room

• Use energy-saving light bulbs

• Keep the refrigerator door open

• Use air-conditioners instead of fans

What should Nora do with the lights in her classroom when they are not needed?

• Leave them on

• Turn them off

• Dim them

• Change their color

Olivia installed a solar water heater at her home. How does this solar water heater conserve electricity?

• By using mains electricity

• By using solar energy

• By using more appliances

• By increasing electricity usage

During a science project, Daniel and Mia were discussing the materials used in electrical wiring. Daniel asked, 'What material are most wires made of?' Mia thought for a moment and replied, 'I believe it's one of these options.'

• Aluminum

• Silver

• Copper

• Gold

Mason is setting up a simple electric circuit for his science project. He wants to control the flow of electricity to a light bulb. What is the function of a switch in his electric circuit?

• To increase voltage

• To close or open a circuit

• To change current direction

• To reduce resistance

In a science project, Priya is building a simple electric circuit to light up a bulb. What is the purpose of the wires she is using in her circuit?

• To store electricity

• To connect components

• To generate electricity

• To insulate components

During a science experiment, Hannah noticed that when she connected a wire to a battery, the metal part of the wire got warm. She wondered which of the following metals is a good conductor of electricity?

• Plastic

• Copper

• Wood

• Rubber