Primary 6 Science Review for Finals 1st semester 2023-2024

What is the role of a battery in an electric circuit?

• To provide light
• To provide heat
• To provide electrical energy
• To provide air circulation

What is the purpose of a light bulb in an electrical circuit?

• To play music
• To provide heat
• To emit light and heat
• To create sound

What is a permanent magnet?

• A magnet that can be turned on and off
• A magnet that always attracts
• A magnet that only works in water
• A magnet that needs electricity

What happens when you press a doorbell button?

• The door opens
• The circuit breaks
• The circuit closes
• The lights turn off

What is electricity?

• The flow of positively-charged particles
• The flow of negatively-charged particles
• The flow of neutral particles
• The flow of light

What are electrical wires made of?

• Plastic
• Rubber
• Metal
• Wood

When is a circuit open?

• When electricity flows
• When the light bulb shines
• When the flow of electricity is broken
• When the battery is charged

What are some uses of electromagnets?

• Cooking food
• Listening to music
• Opening doors
• Charging phones

What does a light bulb emit when electricity flows through it?

• Heat
• Water
• Light and heat
• Air

What happens when objects become oppositely charged?

• They become friends
• They attract each other
• They become the same
• They stop moving