Circuits

Circuits

by Janet Davis

Multiple Choice

This circuit is .....?

• open
• parallel
• closed
• shows the flow of electricity

Multiple Choice

Why electrical wiring usually are covered with a layer of plastic?

• To make it look pretty

• To help electricity flow along the wire

• To make it safe

• To add more energy

Multiple Choice

When all parts of the circuit are connected, it is a ______ circuit. 

• open
• closed

Multiple Choice

What is a switch's function in a circuit?

• to make the current hotter or colder
• turn on and off the flow of current
• the pathway that current flows
• to add more power to the circuit

Multiple Choice

When you flip a light switch on and off you are closing and opening a circuit.

• true
• false

Multiple Choice

An outlet in a wall and a battery are examples of __________.

• Power source 
• Load
• Energy pathway
• ALL of them 

Multiple Choice

A circuit is the path that electricity follows.

• true
• false

Multiple Choice

The light bulb in the circuit is an example of _______. 

• Load
• Battery source
• Energy pathway
• All of them

Multiple Choice

A circuit must be closed for electrons to travel.

• true
• false

Multiple Choice

Which will light a bulb?

• A battery and a paper clip
• A battery and a wire
• A paper clip and a wire
• A switch and a wire

Multiple Choice

What is a switch's function in a circuit?

• to make the current hotter or colder
• turn on and off the flow of electrical current
• the pathway that electrical current flows
• to add more power to the circuit

Multiple Choice

What is the BEST example of a conductor? 

• A wooden block
• A ceramic mug
• A glass cup
• A metal bowl

Multiple Choice

What is an insulator?

• an object that allows electricity to flow
• an object that does not let electricity to flow
• a battery
• music 

Multiple Choice

All matter is made up of...

• atoms

• electricity

• batteries

Multiple Choice

What is a conductor?

• an object that allows electricity to flow
• an object that does not allow electricity to flow
• an exam
• lights

Multiple Choice

Which is NOT an insulator.

• Wool
• Plastic
• Iron
• Glass

Multiple Choice

What is this?

• conductor 
• insulator

Multiple Choice

Which of these best completes the circuit?

• rubber band
• metal nail
• leather shoelace
• wooden toothpick

Multiple Choice

What is this?

• conductor
• insulator

Multiple Choice

What is NOT an example of an insulator in the kitchen?

• an oven mitt
• pots and pans
• wooden spoons
• a plastic measuring cup

Multiple Choice

What is this?

• conductor
• insulator

Multiple Choice

What are the two ends of a battery called?

• south and north

• positive and negative

• Santa and Reindeer

Multiple Choice

What is this?

• conductor
• insulator

Multiple Choice

Conductors are materials that...

• Allow heat to pass through
• Stop heat from passing through
• Allow cold to pass through
• Stop cold from passing through

Multiple Choice

What is this?

• conductor
• insulator

Multiple Choice

Which light will be brighter and why?

• Bulb A because its circuit is closed
• Bulb B because its circuit is closed
• Bulb B because it has more volts
• Bulb A because it has less volts

Multiple Choice

What is this?

• conductor 
• insulator

Multiple Choice

All of the following are conductors except _______.

• metal spoon
• wire
• iron nail
• plastic spoon

Multiple Choice

What do we need to complete the circuit to make the lightbulb light up?

• nothing
• a wire and an insulator
• a battery
• a wire and a conductor

Multiple Choice

Which of the following is a type of circuit?

• Bulb Circuit

• Triple Circuit

• Parallel Circuit

Multiple Choice

If I add another wire and connect it to a wooden pencil then touch the conductor on the light, will the light turn on?

• no 
• yes

Multiple Choice

Which of the following materials is an electrical insulator?

• aluminum
• gold
• rubber
• steel

Multiple Choice

Which of the following can supply energy in an electric circuit?  

•  a conductor
• light bulb
• a wire
• a battery 

Multiple Choice

Why is electrical wiring usually covered with a layer of plastic?

• To help electricity flow along the wire
• To make it look pretty
• To make it safe

Multiple Choice

What type of circuit is this?

• Parallel Circuit

• Open Circuit

• Series Circuit

Multiple Choice

A material that allows heat or an electric current to flow through easily

• Conductor

• Insulator

• Magnetism

• Electric Circuit

Multiple Choice

Look at the picture.  Why won't the light bulb light up?

• The wires from the light bulb are not connected to the battery
• The switch is not closed to form a complete circuit 
• The wires from the light bulb are not connected to the switch 
• The wires from the battery are not connected to the switch 

Multiple Choice

A material that prevents heat or an electric current from flowing

• Conductor

• Insulator

• Magnetism

• Electric Circuit

Multiple Choice

What type of circuit is this?

• Parallel Circuit

• Open Circuit

• Series Circuit

Multiple Choice

The flow of electricity through a circuit

• Closed Circuit

• Open Circuit

• Electric Current

• Magnetic

Multiple Choice

Look at the picture.  What causes the light bulb not to light up?

• The wires from the second light bulb are not connected to the battery
• The wires are not connected between the light bulbs 
• The wires are not connected to both sides of the first light bulb
• The wires are too long to complete the circuit 

Multiple Choice

Pick the correct sentence.

• This circuit will work because it is a closed circuit.
• Energy will freely flow in this circuit.
• This circuit will not work because there is no energy source.
• This circuit will not work because there is no switch.