10/26 Heat Transfer Review

Which material is best used to keep cold drinks from getting warm too quickly?

• glass, because it is a good conductor of heat

• foam, because it is a poor conductor of heat

• metal, because it radiates heat

• paper, because it conducts heat

Why are liquids sometimes used in a thermometer?

• because most liquids condense when heated and evaporate when cooled

• because most liquids melt when heated and freeze when cooled

• because most liquids contract when heated and expand when cooled

• because most liquids expand when heated and contract when cooled

People sitting around a campfire are able to feel the heat from the fire. How are the people able to feel the heat from the fire without touching the fire?

• The heat from the fire travels through the ground and heats the ground around the people.

• The heat from the fire is conducted through air molecules to the people.

• The heat from the fire rises in the air and then settles around the people.

• The heat from the fire radiates from the fire to the people.

What happens to metal railroad tracks during the heat of a summer day?

• decrease in weight

• increase in weight

• decrease in length

• increase in length

A space heater in a bedroom is an example of what type of heat transfer?

• Conduction

• Convection

• Radiation

• None of These

Mrs. Warren is giving her class an ice cream party. She needs to keep the ice cream cool until lunchtime. Which would be the best container for storage?

• white fabric bag

• brown paper bag

• covered foam box

• uncovered aluminum pot

Which material is most likely to expand if exposed to freezing temperatures?

• iron

• wood

• water

• plastic

Jason fills a glass container completely with water and screws the lid tightly. He places the container in a freezer.  Which will most likely result?

• The container will prevent the water from freezing.

• The water will freeze and take up less space in the container.

  
  

• The water in the container will expand when it freezes and cause the container to crack.

  
  

• The container will absorb heat from the water, causing it to crack.