Electricity

TRUE OR FALSE

The circuit above is an open circuit.

• True

• False

TRUE OR FALSE

If the circuit becomes disconnected at any point, the electricity can no longer flow around, so the bulb goes out.

• TRUE

• FALSE

What is the name of the electrical equipment in the picture?

• Buzzer

• Bulb

• Motor

• Battery

These statements are true, except ...

• A motor can turn blades or wheels.

• A circuit can't work if we replace a bulb with a buzzer or a motor.

• When we connect a buzzer in a closed circuit, electric current flows through it and the buzzer sounds.

• A buzzer makes a buzzing sound.

What items do you need to build a steady hand game?

• metal loop, bent metal wire, bulb, batteries

• bent metal wire, metal loop, buzzer, motor, batteries

• batteries, metal loop, steel clip, buzzer, bent metal wire

• buzzer, bent copper, steel clip

Scientists usually draw electric circuits using symbols.

What does this symbol mean?

• Lamp

• Voltmeter

• Motor

• Switch

How many bulbs are there in this picture?

• None

• 1

• 2

• 3

Which of these toys does not using a motor?

• 
• 
• 
• 

These are ways to use electricity safely, except ...

• Tight up your appliance from air circulation

• Keep up our outlets

• Keep electrical appliances away from water

• Prepare a fire extinguisher at home

TRUE OR FALSE

We must repair any broken electrical types of equipment at our home alone.

• TRUE

• FALSE