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CI Investigation 6

Test Description: Insulation

Instructions: Answer all questions to get your test result.

1) A material that easily transfers heat is called

Aconductor Btemperature Cconvection current Dinsulator

2) A material that does not conduct heat well is called a(n)

Aconvection current Btemperature Cconductor Dinsulator

3) Which is not an example of an insulator?

Aaluminum foil Bcardboard Ccotton Drug

4) A vacuum in a thermos

Akeeps things at medium temperatures Bcleans the floor Cincreases energy transfer Dreduces energy transfer

5) Conduction cannot occur in a space where

Athere are no particles. Bthere are lots of particles. Cthere are some particles. Dthere are only oxygen particles.

6) A thermos keeps things warm by using

Aa vacuum Ba conductor Can insulator Da metal liner

7) Particles with higher energy can

Adestroy some of their energy. Btransfer their enegy to slower particles Ctransfer their energy to even faster particles. Dhold onto their energy for a long time.

8) If one thermos keeps a substance hotter for longer than another thermos, that means

Athe better thermos is a conductor. Bthe insulating metal is much better. Cthe vacuum inside is better than another thermos. Dthey both need to undergo improvements.

9) It is possible to make a true vacuum, with no particles at all.

ATrue BFalse

10) A thermos reduces which kinds of insulation?

Aconduction, convection and infrared radiation Binfrared radiation and conduction Cinfrared radiation and convection Dconduction and convection

*select an answer for all questions

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