Electricity
Heat
Conductor VS. Insulator
Vocabulary
Random
100
The diagram shows an electrical circuit with a buzzer. The students noticed that the buzzer was not making any sounds. What could be done to this circuit to make the buzzer work?
Close the switch
100
The movement of heat inside a liquid or gas.
What is Convection?
100
Which of these would be a good insulator of electricity?
A Steel
B Rubber
C Copper
D Aluminum
B Rubber
100
A material that allows heat or an electric current to flow through easily.
What is a Conductor?
100
The flow of electricity through a circuit.
What is an Electric Current?
200
The diagram shows an electrical circuit. What object could be placed in the open space between the wires to complete the circuit?
A Penny
B Toothpick
C Eraser
D Crayon
A Penny
200
Elijah places four different materials at the same temperature onto a hot plate to find out which material is the best insulator. The information presented in the table shows the temperature of each material after 15 minutes.
Elijah can conclude that which material is the best insulator?
Material 3
200
All of the objects below are conductors of electricity EXCEPT–
A 
An aluminum nail
B 
A rubberband
C 
A copper penny
D 
A steel fork
B a rubberband
200
A material that prevents heat or an electric current from flowing.
What is an Insulator?
200
Energy produced by the movement of electrons.
What is Electricity?
300
Which of the following shows a complete path through which electricity can flow?
A 
B 
C 
D 
A
300
Joshua is making a trivet. A trivet is placed on a table beneath a hot pot.
He knows that he must choose something that will NOT allow heat to pass easily from the hot pot to the table. Which material should Joshua use to make the trivet?
A Wood
B Aluminum
C Copper
D Silicon (kind of like plastic)
A Wood
300
Which of the following materials is used to cover electrical wires for safety because it is an insulator of electric energy?
A Silicon
B Aluminum
C Copper
D Rubber
D Rubber
300
The pathway through which an electric current flows.
What is an Electric Circuit?
300
Energy produced by electric charges.
What is Electrical Energy?
400
Jake is creating a project with an electric circuit. For part of the project, Jake needs an insulator. A good insulator would NOT be made of which of the following?
A Plastic
B Rubber
C Copper
D Glass
C Copper
400
Can electric energy produce heat energy?
Yes.
400
Conductors allow thermal and electrical energy to pass through easily. Insulators prevent the flow of thermal and electrical energy. Which of the following items is a poor conductor and a good insulator?
A Silver
B Wood
C Tin
D Copper
B Wood
400
A pathway that allows an electric current to flow freely.
What is a Closed Circuit?
400
Energy that makes things feel warm.
What is Thermal/Heat Energy?
500
Electricity will flow in an electric circuit only if the circuit -
makes a complete path/is closed
500
The movement of heat between objects that are touching.
What is Conduction?
500
What material would be good to use to make a pan for cooking?
Metal
500
A pathway that prevents an electric current from flowing freely or stops the flow.
What is an Open Circuit?
500
What happens when a material gets a buildup of negative charges or a buildup of positive charges?
Static electricity.