Energy Transfer in Electrical Circuits

Which of the following components is necessary for a complete electrical circuit to function?

• A broken filament in a bulb

• A closed switch

• An open circuit

• A piece of wood connecting two wires

Tags

TEKS.SCI.5.8B

Which of the following is an example of a power source in an electrical circuit?

• A bell

• A battery

• A bulb

• A fan

Tags

TEKS.SCI.5.8B

What happens to the flow of electricity in an open circuit?

• It flows continuously

• It stops flowing

• It flows faster

• It flows in reverse

Tags

TEKS.SCI.5.8B

Which of the following objects demonstrates the transformation of electrical energy into sound energy?

• A bulb

• A motor

• A buzzer

• A fan

Tags

TEKS.SCI.5.8B

In a complete circuit, what is the role of wires?

• To act as insulators

• To convert electrical energy into light

• To conduct electricity

• To store electrical energy

Tags

TEKS.SCI.5.8B

What is the result of connecting multiple batteries in a circuit with opposite ends touching (positive to negative)?

• The circuit will not work

• The circuit will have increased voltage

• The circuit will have decreased voltage

• The circuit will short-circuit

Tags

TEKS.SCI.5.8B

Which of the following is NOT a requirement for a functioning electrical circuit?

• A power source

• An open switch

• Conductive wires

• An object receiving electricity

Tags

TEKS.SCI.5.8B

What type of energy transformation occurs in an incandescent bulb with an unbroken filament?

• Electrical energy to sound energy

• Electrical energy to thermal and light energy

• Electrical energy to mechanical energy

• Electrical energy to chemical energy

Tags

TEKS.SCI.5.8B

Which of the following describes a complete circuit?

• A circuit with a broken wire

• A circuit with an open switch

• A circuit with a closed path

• A circuit with a broken filament

Tags

TEKS.SCI.5.8B

Label the parts of this circuit

a

b

c

Lightbulb

Power Source

Switch

Tags

NGSS.4-PS3-2