Simple Circuits
Bulbs
Connections
Completing a Circuit
Lighting a Bulb
100
What did Thomas Edison create?
The lightbulb.
100
Light bulbs use electricity to produce light energy. What other energy do they produce?
Heat
100
One D-Volt battery produces 1.5 Volts of electricity. How many volts would 2 D-Volt batteries produce?
3 volts.
100
Objects that can compete a circuit are mostly made out of what?
Metal.
100
What powers the Circuit?
#2
200
What are objects (paperclips, metal nails) that complete a circuit called?
Conductors
200
This picture represents a....
Lightbulb
200
This is a picture of a....
Battery
200
When you touch the bare ends of this circuit tester the light does not go on. What is something you could do to troubleshoot?
The bulb, are the wires secure to socket and battery holder? Is the battery alive?
200
What part of the bulb glows and gives off light?
2: Filament
300
Which flashlight will burn the brightest and which flash light will last the longest?
Brightest = B, Longest = A
300
What does the component in the box do?
It turns the light on and off.
300
You open this box and see #1 and #6 are connected by a wire. You also see #2 and #4 are connected by a wire. You close the box and use your circuit tester. You place one wire on #6 and one wire on #2. What will happen?
The lightbulb goes on.
300
If we replaced the paper clip with a plastic fork, the fork would act as a: conductor, diode, insulator or switch?
Insulator
300
In the 4th picture is the wire a conductor, receiver,
insulator or energy source?
Conductor
400
How does a Diode change an electric current?
Electricity travels in one direction.
400
What does the device in the box represent and is it open or closed?
An open switch.
400
This symbol represents a...
Switch
400
What would happen if we replaced the paper clip with a golf tee?
The bulb wouldn't light.
400
Which circuits will light the bulb?
3 and 4
500
What 2 things were required to light our light bulb in our most basic circuit?
A battery and a wire.
500
Assuming the bulbs and batteries are working equally and properly, which one should have the brightest light?
3
500
What are the components of this circuit?
2 lightbulbs, 1 bulb, wire
500
Look at Picture #3: Which part is the receiver?
#3
500
In what two places does electricity enter and exit a bulb?
Metal threaded base and metal tip