Heat Energy

Which material would make the best insulator?

• rubber

• steel

• copper

• aluminum

Freddie is drinking a cold glass of Kool-Aid in the sun on a hot day. He puts the glass down in the sun and the glass begins to warm.

What is happening to the small particles that make up Kool Aid? They. . .

• contract

• slow down

• move faster

• disappear

George touches a metal spoon is in a hot bowl of soup. It burns his hand.

This is an example of heat transfer by:

• convection

• radiation

• conduction

• temperature transfer

Water currents can transfer heat by

• conduction

• convection

• radiation

• temperature

Global winds flow from east to west and west to east. This is an example of ______________.

• conduction

• convection

• radiation

• atmosphere

The Law of __________________ states that energy cannot be created or destroyed, but only changed from one form to another.

• Energy Production

• First Energy

• Conservation of Resources

• Conservation of Energy

What type of energy is heat energy?

• potential

• kinectic

• chemical

• mechanical

Which material would make the best conductor?

• rubber

• steel

• copper

• aluminum

We know that wind is energy because wind. . .

• is able to work

• is a convection current

• is caused by uneven heating

• is caused by convection

Sam placed a glass of water in the refrigerator. After about an hour he took it out and found it to be colder.

What is the most likely thing that happened?

• the cold that was in the refrigerator transferred into the water

• the particles in the water started to move faster

• the cold from the refrigerator radiated into the glass

• the heat that was in the water transferred out into the refrigerator