Materials 4S1 19 1 2021

Materials(D1) 17 1 2021

Open Ended

Freeze frame your feelings when you stir a hot boiling soup pot with a metal spoon.

Poll

Look at these containers. They will be filled with hot water.

Which ones do you think will allow the transfer of heat most easily?

Open Ended

How will I know

which containers conduct heat energy most easily?

Multiple Choice

Why do stainless steel pots often have wooden handles?

• Wood is a good thermal conductor

• Wood is a good thermal insulator

• Wood is a good electrical insulator

• It is not possible to make handle out of metal.

Multiple Choice

Plastic is a good thermal insulator. Where would you see plastic used?

• For the base(bottom) of a frying pan

• For the inside of a cooker

• For the handle of an electric cooker

• For the base of an iron

Multiple Choice

What do we call a material which can transfer heat easily?

• a)A thermal conductor

  b

• A thermal insulator

• An electrical conductor

• An electrical insulator

Multiple Choice

Is iron a conductor or insulator?

• Conductor

• Insulator

Multiple Choice

The handle of a frying pan is often coated in rubber because rubber provides...

• Heat insulation

• Heat conduction

• A low melting point

• A nonstick surface

Multiple Choice

Which of the following is an insulator

• Dimes

• Soda Can

• Styrofoam

• Steel Wool

Multiple Choice

Which of the following is a conductor?

• Paper clip

• Chips

• Styrofoam

• Straw

Multiple Choice

The thermal properties of an object determine how it will respond to heat.

• True

• False

Multiple Choice

A material that conducts heat well is called a

• Insulator

• Conductor

• Convection

• Radiation

Multiple Choice

A material that conducts heat well is called a

• Insulator

• Conductor

• Convection

• Radiation