Thermal energy

To measure the temperature difference between two cups of water, you would use a _____.

• measuring cup
• ruler
• thermometer
• balance scale

When holding a cup of ice water, your warm hand becomes cold. How does the heat transfer?

• From the cold cup to your hand
• From the cold cup to the warm air
• From the ice to your hand
• From your warm hand to the cold cup.

Why do you want to live in a home with good insulation during the cold winter months?

• The insulation will keep you cool during winter.
• If there is good insulation, the thermal energy will not be able to move easily from inside the warm home to the cool areas outside the building.
• If there is not good insulation, the air inside the home will become too hot.
• A house with good insulation will keep the warm air in the attic.

Conductors are materials that...

• Allow heat to pass through
• Stop heat from passing through
• Allow cold to pass through
• Stop cold from passing through

What is one type of good conductor that we learned about in class?

• Most plastics
• Most fruits
• Most wood products
• Most metals

Heat can be transferred from one material to another?

• False
• True

Heat will always flow from

• from warmer object to a cooler object
• inside and object to outside an object
• from a cooler object to a warmer object
• up to down

Which one is a heat conductor? 

• wood 
• iron 
• plastic spoon 
• paper 

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high
• It can travel high to low and low to high. 

11. Pans A & B shown above have been on a hot stove for 10 minutes. Pan A has a metal handle and pan B has a plastic-coated handle. Which handle  would be hotter?___________ Why?_________________  

• Pan A because the metal is a conductor of heat.
• Pan B because there is an insulator on the pan.
• Pan A because there metal is an insulator.
• Pan B because the metal conducts heat.