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Unit Review Conductors And Insulators
Test Description: Conductors and Insulators
Instructions: Answer all questions to get your test result.
1) What is an insulator?
A
a material that transfers heat easily
B
a material that is fluffy
C
a material that slows the transfer of heat
D
a material that is temperature controlled
2) What is the BEST example of a conductor of thermal energy?
A
A plastic mug
B
A metal pan
C
A wool oven mitt
D
A wooden block
3) A jacket is a good example of an . . .
A
Insulator
B
Conductor
4) What is a conductor?
A
a material that is fluffy
B
a material that transfers heat easily
C
a material that is temperature controlled
D
a material that slows the transfer of heat
5) True or False: An insulator is a type of material that allows heat to escape from an object quickly.
A
False
B
True
6) Rubber is a insulator of electric energy
A
true
B
false
7) Mittens help keep your hands warm in winter because
A
they are colorful
B
they are fuzzy
C
they are insulators
D
they are conductors
8) Which of the following materials is an electrical conductor?
A
silver-colored plastic
B
rubber
C
silver
D
cork
9) Why is electrical wiring usually made from copper?
A
Because copper is not magnetic
B
Because copper is shiny
C
Because copper conducts electricity
10) Why are metals useful for making electrical wire?
A
Metals are conductors.
B
Metals are insulators.
C
Metals hold much heat.
D
Metals do not bend.
11) A conductor allows energy to easily pass by.
A
False
B
True
*select an answer for all questions
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