9/15 Heat Transfer

9/15 Heat Transfer

Conduction

It's All About Conduction

• Heat energy always moves from hot to cool

• Conduction happens when heat energy moves through solid objects

• What exmaples of conduction did we see in yesterday's video?

It's called conduction when heat is transferred through direct contact.

• When a pot is placed on a burner

• When your hand touches a hot plate

• When the hot iron touches your wrinkled shirt!

When solid objects touch, energy moves from the hotter object to the cooler object until

• the temperature for both objects are about equal

• the objects are no longer touching

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Multiple Choice

A pot is heated on a stove. Which process causes the metal handle of the pot to also become hot?

• combustion

• convection

• radiation

• conduction

Nice!

Ready for More?

Multiple Select

Which of the following are examples of conduction? (Select all that apply)

• The slide feels warm when you put your hand on it.

• The water in a pot of boiling water is hotter at the surface.

• The bottom of a pot is hottest because it is touching the stovetop.