Grade 5 Science: Understanding Electricity

What is the unit of measurement for electrical energy?

• Joules

• Amperes

• Kilowatt-hours

• Volts

What happens when you rub a plastic pen on a wooden material?

• It generates heat

• It creates static electricity

• It conducts electricity

• It produces sound

Which of the following is NOT an insulator?

• Plastic

• Wood

• Copper

• Rubber

What is the role of a battery in a circuit?

• To stop the flow of electrons

• To push electrons through a conductor

• To convert electricity into light

• To measure voltage

Which material is a good conductor of electricity?

• Wood

• Plastic

• Copper

• Rubber

What should you never do with electrical wires at home?

• Insulate them

• Connect them

• Expose them

• Use them

What is a simple circuit?

• A circuit with no path

• A circuit with a single path

• A circuit with a broken path

• A circuit with multiple paths

In a series circuit, what happens if one bulb goes out?

• Other bulbs stay lit

• The circuit becomes parallel

• All bulbs go out

• The voltage increases

How are bulbs connected in a parallel circuit?

• In series

• Individually

• In a loop

• In a zigzag

What is the advantage of using parallel circuits in homes?

• They are cheaper

• They allow individual control of devices

• They are easier to install

• They use less electricity