Problem Solving
In this picture, the light bulb will light.
What is
a) , b) ,
c) , or d?
What is b?
The flow of electricity is called this.
What is
a) insulator? b) conductor?
c) current? d) light bulb?
c) current
This item will conduct electricity.
What is
a) wood golf tee? b) chalk?
c) paper clip? d) marble?
c) paper clip
This is what happens when you put the North (N) poles of two magnets together.
What is
a) they bend in half?
b) they stick together?
c) they push apart?
d) they become hot?
c) they push apart
A light bulb is an example of this.
What isa) a battery? b) a pathway?
c) a load? d) a circuit?
c) a load
This is why the light bulb will not light in the diagram.
What is
a) It is an incomplete circuit?
b) The bulb is broken?
c) It is a complete circuit?
d) The wire is insulated?
a) It is an incomplete circuit.
Electricity flows on a path called a ___________.
What is
a) switch? b) circuit?
c) magnet? d) battery?
b) circuit
This is the purpose if the plastic covering on the wire.
What is
a) It acts as an insulator?
b) It is a power source?
c) It acts a conductor?
d) It completes a circuit?
a) it acts as an insulator.
This is what happens when you wrap wire around an iron rod and connect the ends of the wire to a battery.
What is
a) the battery blows up?
b) the iron rod lights up?
c) the iron rod becomes a magnet?
d) the battery becomes hot?
c) the iron rod becomes a magnet
Jon need to complete a circuit. He should use this material.
What is
a) wire screen? b) plastic screen?
c) wooden toothpick? d) plastic spoon?
a) wire screen
This is what you need to do to make the bulb in this circuit light?
What isa) change the battery?
b) add a diode?
c) change the light bulb?
d) close the switch?
d) close the switch
This is what diodes are used for.
What is
a) make a battery last longer?
b) make a light brighter?
c) open and close a circuit?
d) control the direction electricity flows?
d) control the direction electricity flows
This is a benefit of putting your batteries in a series.
What isa) dimmer light? b) longer battery life?
c) brighter light? d) shorter battery life?
c) brighter light
If you are building a tower of magnets, these are the ends of the magnets that you should put together to make the tower stand.
What is
a) North to North? b) it does not matter?
c) South to South? d) North to South?
d) North to South
This is what happens when you add more batteries to a series circuit.
What is
a) longer battery life? b) dimmer light?
c) brighter light? d) no change in brightness?
c) brighter light
Maria constructed a flashlight. She covered the entire flashlight with aluminum foil. She had a problem. Even when she turned off her switch, the light bulb would not go out! This is why the light stayed on...
What is
a) The aluminum foil is acting as an insulator and creating a short circuit?
b) The connection between the battery and the light bulb are open?
c) The battery has been used by too many classes and is dead?
d) The aluminum foil is completing the circuit to the bulb?
d) The aluminum foil is completing the circuit to the bulb.
This item is both a source and a return.
What is
a) battery? b) insulator?
c) wire? d) bulb?
a) battery
This is a benefit of having your batteries in a parallel circuit.
What is
a) dimmer light? b) brighter light?
c) longer battery life? d) shorter batter life?
c) longer battery life
Magnets have this many poles.
What is
a) one? b) two?
c) three? d) four?
b) two
This is a list of electromagnets.
What is
a) jump rope, soccer ball, and basketball?
b) pencils, desk, and chair?
c) cup, bicycle, and skateboard?
d) computer, stereo, and electric motor?
d) computer, stereo, and electric motor
Look at the graph of electricity use over 12 months by one Arizona household. This is what most likely caused the increase in electricity in July.
What is
a) filling the swimming pool?
b) watering the plants in the house
c) heating the house?
d) cooling the house?
d) cooling the house
This is another word for electric power.
What is
a) voltage? b) diode?
c) insulator? d) switch?
a) voltage
When you flip the switch to turn on lights in your class, this is why the lights go on.
What is
a) the diode is turned on?
b) the circuit is complete?
c) the bulb is broken?
d) the circuit is incomplete?
b) the circuit is complete
Lua tries to stick her two magnets together, but they push apart. This is what she should do.
What is
a) wrap wire around them?
b) turn one magnet around?
c) move the magnets farther apart?
d) keep pushing the magnets together?
b) turn one magnet around
Electricity can be used to produced all of the below, except _______
What is
a) heat? b) wood?
c) light? d) magnetism?
b) wood