NEW
Font size
WorksheetsHeat Transfer
Total questions: 10
Worksheet time: 75secs
What happens to most materials when they get hot?
They contract.
They expand.
There is no change.
Raj makes a cup of tea using boiling water and places a spoon in the cup. After a few minutes he notices that the handle of the spoon is warm. Why does the handle of the spoon become warm?
The heat moves through the air in the room into the handle.
The heat moves from the tea, through the spoon, to the handle.
The heat moves from the tea, through the air in the room, and into the handle.
The heat moves through the air in the room, to the tea, and into the handle.
Amanda is completing two activities during science class. In Activity 1, Amanda heats an iron rod with a solid piece of wax on the end of it. During Activity 2, she places a metal block, also with a solid piece of wax on it, in the Sun.
Why does the wax melt in both activities?
Both the iron rod and the metal block are conductors.
The iron rod is an insulator and the metal block is a conductor.
The iron rod is a conductor and the metal block is an insulator.
Both the iron rod and the metal block are insulators.
Brad, Cleo, Gena, and Isabella all brought materials to test for heat during their insulation and conduction lab. The materials each student brought to the lab are listed in the chart.
Which student brought materials that are all good conductors of heat?
Brad
Cleo
Gena
Isabella
Henry is doing an experiment on heat transfer. He fills four beakers (A, B, C, and D) with water of different temperatures and places them in the same location at a temperature of 70°F.
Which statement best summarizes what will happen to the water in each of the beakers after a few hours?
The water in each beaker will match the temperature of beaker A.
The water in each beaker will be 20 degrees cooler.
The water in each beaker will be 20 degrees warmer.
The water in each beaker will be close to the same temperature.
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
Which best describes a material that could be used as a pan for baking cakes?
good conductor of cold
poor conductor of cold
good conductor of heat
poor conductor of heat
Ice is dropped into a glass of lemonade at room temperature. What causes the lemonade to cool?
Cold moves from the air to the ice.
Cold moves from the ice to the lemonade.
Heat moves from the air to the lemonade.
Heat moves from the lemonade to the ice.
The diagram shows a metal wire with a rubber handle being held in a flame.
After a few minutes, which will most likely happen and why?
The metal wire and rubber handle will get hot because they are both good conductors.
The metal wire and rubber handle will remain cool because they are both good insulators.
The metal wire will become hot because it is a good conductor, and the rubber handle will remain cool because it is good insulator.
The metal wire will remain cool because it is good insulator, and the rubber handle will become hot because it is a good conductor.
On a day with an outside temperature of 35°C, two houses (X and Y) are cooled to 20°C using air conditioners. Then the air conditioners are turned off, and the temperatures inside the houses are measured after 2 hours.
Which statement correctly compares the insulating abilities of the houses?
House Y acts as a better insulator because it is more effective at slowing down heat transfer from inside the house to outside the house.
House X acts as a better insulator because it is more effective at slowing down heat transfer from outside the house to inside the house.
House Y acts as a better insulator because it is more effective at slowing down heat transfer from outside the house to inside the house.
House X acts as a better insulator because it is more effective at slowing down heat transfer from inside the house to outside the house.
