WorksheetsHeat Transfer
Total questions: 10
Worksheet time: 5mins
Carole owns a two story house with a heating and cooling unit on each floor. In the winter she mostly uses the downstairs unit to heat the house because the volume of warm air __________ and __________, warming the whole house through __________.
expands and rises, convection
expands and sinks, conduction
contracts and rises, conversion
contracts and sinks, conduction
In heat transfer, heat always flows from the _______________ substance to the _______________ substance.
warmer, cooler
cooler, warmer
What does heat do when convection currents are moving?
Sinks
Rises
Stays in place
Which of the following is the best example of radiation?
The ocean breeze
The sun heating your body on the beach
Eating ice cream
A wave knocking over a sandcastle
After cooking an egg in boiling water, you cool the egg by putting it into a bowl of cold water. Which of the following explains the egg’s cooling process?
Hot water moves from the egg to the water.
Cold water moves into the egg.
Energy is transferred from the water to the egg.
Energy is transferred from the egg to the water.
A material that does not conduct heat well is called a(n) __________.
conductor (ex. spoon, metals)
insulator (ex. wood, wool, straw, paper)
If you put a metal spoon and a wooden spoon into a pot of boiling water, one will become too hot to touch. Why?
Metals conduct heat better than wood.
Wood conducts heat better than metals.
Metals pull in heat because heat is attracted to metals.
Wood isn’t as strong as metals.
You take a cold can of soda off of a counter top. The counter top underneath the can feels colder than the rest of the counter. Which of the following explains this occurrence?
The cold has been transferred from the soda to the counter.
There is no heat energy left in the counter beneath the can.
Some heat has been transferred from the counter to the soda.
The heat beneath the can moves away into other parts of the countertop.
