Review Unit 9 Lesson 5 Conductors and Insulators

Write the vocabulary term that describes each material. Use commas to separate the words.

Choose the correct answer: Heat moves easily through it.

• insulator

• conductor

Choose the correct answer: Heat does not move easily through it.

• insulator

• conductor

Choose the correct answer: Solids often do this to heat.

• insulate

• conduct

Choose the correct answer: A thin layer of trapped air can do this to heat-

• insulate

• conduct

Choose the correct answer: Which forms of heat transfer do insulated bottles prevent ?

• conduction

• convection

• radiation

• none

Choose the correct answer: Which forms of heat transfer do insulated bottles prevent ?

• conduction

• convection

• radiation

• none

Some of them have two panes of glass.

It slows the transfer of heat.

It can be blown inside walls.