Show:
Parts of a Circuit
Part of a Circuit II
Parallel vs. Series Circuits
Conductors and insulators in a circuit
100

A student is constructing an electrical circuit. Which of the following can provide energy for the circuit? A.electric generator B. Wire C. light bulb D.buzzer

What is A. an electric generator

100

Electricity is...

The flow of electrons from one atom to another

100
In a parallel circuit electricity has ______ path(s) to follow.
multiple
100
Some students test a plastic spoon as a connector in an electrical circuit. Electricity does not flow in the circuit. Plastic is most likely... A. a load. B. an energy source C. a conductor D. an insulator
D. an insulator
200

A switch has what purpose in a circuit?

What is controls the flow of energy

200

What is the purpose a resistor has in a circuit?

Limits the flow or divides voltage.

200
If one load stops working in a series circuit what happens to any other loads in the circuit?
They also stop working.
200
Which material will best conduct electricity? A. plastic B. rubber C. wood D. silver
D. silver
300
Name 3 examples of an energy source.
Battery electric generator at a power plant photocells thermocouple
300

Examples of switches...

Light switches and power buttons

300
Do you think Christmas Lights are an example of a series circuit or a parallel circuit? why do you think that?
They are an example of a series circuit because if one of the bulbs burns out the entire strand will not light up.
300
If you connect the wires of an electric circuit to a piece of jewelry why would the lightbulb in the circuit still turn on?
Because the jewelry is made of something that can conduct electricity.
400

Explain how a switch works in an electrical circuit.

When the switch is on the circuit is closed so electricity can flow. When the switch is off the circuit is open so electricty cannot flow.

400

How does a fuse protect a curcuit from overcurrent?

Melts when the current exceeds safe limits, breaks the circuit or "trips" the circuit

400
If all the loads of a robot were wired in a series circuit, what would happen if the one of the lightbulb's in the robot burned out?
All the loads of the robot would not work because the electricity only has one path to follow in a series circuit.
400

Mr. Sennick wants to make an electric circuit but he is fresh out of copper wire. What are 3 other household items that he could use in place of wire to carry the electricity to the load?

silverware metal necklaces steel wool keys aluminum foil etc.

500

A fuse has what purpose?

Protects the load from overcurrent

500

Which device can be added to an electrical circuit to convert electrical energy into mechanical energy? A. a switch B. a lightbulb C. a fan D. a speaker

C. a fan

500

Come to the board and draw a diagram of a parallel circuit.

To be determined by Mr. Sennick

500

Why do electricians use wire that is coated in plastic when they are making new circuits?

This is because the wire can be dangerous to handle and can shock humans if they handle it when the circuit is on. The plastic coating helps to protect the electricians and us!