Unit Review Conductors And Insulators Question Preview (ID: 48035)


Conductors And Insulators. TEACHERS: click here for quick copy question ID numbers.

What is an insulator?
a) a material that slows the transfer of heat
b) a material that is fluffy
c) a material that transfers heat easily
d) a material that is temperature controlled

What is the BEST example of a conductor of thermal energy?
a) A wooden block
b) A plastic mug
c) A wool oven mitt
d) A metal pan

A jacket is a good example of an . . .
a) Insulator
b) Conductor
c)
d)

What is a conductor?
a) a material that slows the transfer of heat
b) a material that is fluffy
c) a material that transfers heat easily
d) a material that is temperature controlled

True or False: An insulator is a type of material that allows heat to escape from an object quickly.
a) True
b) False
c)
d)

Rubber is a insulator of electric energy
a) true
b) false
c)
d)

Mittens help keep your hands warm in winter because
a) they are colorful
b) they are conductors
c) they are fuzzy
d) they are insulators

Which of the following materials is an electrical conductor?
a) cork
b) silver
c) silver-colored plastic
d) rubber

Why is electrical wiring usually made from copper?
a) Because copper conducts electricity
b) Because copper is not magnetic
c) Because copper is shiny
d)

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.

A conductor allows energy to easily pass by.
a) True
b) False
c)
d)

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