Show:
Lightbulb!
Electric Fun
Circuit Time
Series Vs. Parallel
Diagrams and Switches
100
What is the part(s) of the bulb that the filament is attached to?
Support wires
100
What two types of energy do lightbulbs give off?
Light and heat
100
What material are objects made of in order to complete a circuit?
Metal
100
In which type of circuit is there only one pathway for electricity to flow?
Series
100
If a switch is on and allowing a bulb to light, that means the circuit is _________.
Closed.
200
Where is the soldered tip on a light bulb?
On the bottom or end
200
What is a conductor?
It is material through which electrical current can flow.
200
What powers the circuits we have been building?
Battery or batteries
200
In a parallel circuit, how many pathways of electricity are there?
2
200
Draw the symbol for a switch that is off/open.
Student will draw symbol on whiteboard for teacher to check.
300
What two things do you need in order to light a bulb?
Battery and wire
300
Name two materials that are insulators.
Plastic, rubber, glass, wood...
300
If you replaced a paper clip with a plastic golf tee in your circuit, what would happen?
The bulb wouldn't light.
300
If you have a parallel circuit with two batteries, your bulb will burn _________ compared to a one battery/one bulb circuit.
The same.
300
Draw the symbols for battery AND lightbulb.
Student will draw on whiteboard for teacher to check.
400
What are the 3 parts of the lightbulb that make up the bottom portion of it?
Soldered tip, ceramic insulator, metal threaded base
400
What is another name for a lightbulb?
Load OR receiver
400
If you had a hidden circuit box in which you saw that #3 and #8 were connected with wire, and #3 and #2 were connected with wire, would your bulb light if your circuit tester touched #2 and #8?
Yes
400
In what type of circuit does a lightbulb burn the brightest?
Series with two (or more) batteries.
400
Draw the circuit diagram for two bulbs in series with one battery.
Student will draw on whiteboard for teacher to check.
500
Through which two parts of the bulb does electricity enter and exit?
Soldered tip and metal threaded base.
500
If one D-cell battery produces 1.5 volts, how many total volts would 20 D-cell batteries produce?
30 volts
500
Think about this: You have made a circuit tester with one battery, one battery holder with Fahnestock clips, a bulb, a bulb socket with Fahnestock clips, and 3 wires. You touch the two ends of your wires together, and your light does not go on. You need to troubleshoot to find out what is wrong. What is the number of possible things, locations and connections you could check to fix the circuit?
9
500
In a series circuit with two batteries, the batteries will last ________ as a one battery/one bulb circuit: a) the same amount of time b) a longer amount of time c) a shorter amount of time
C) a shorter amount of time
500
Draw the circuit diagram for two batteries in parallel with one bulb.
Student will draw on whiteboard for teacher to check.