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WorksheetsHeat Transfer
Total questions: 16
Worksheet time: 18mins
Name
Class
Date
1.
Jill notices that her skin gets burned when she sits out in the sun. What best explains why this happens?
a)
The soil is convecting heat into the air.
b)
The heat from the sun is being conducted to the Earth.
c)
The heat from the sun is radiating down to Earth’s surface.
2.
Which describes what can happen as a result of radiation?
a)
A piece of wood burns in a fire.
b)
A shirt is hot after having been ironed.
c)
A can of soup is heated in a pot on a stove.
d)
A car’s inside temperature rises to over 100 degrees on a sunny day.
3.
Which is the best example of heat transfer by convection?
a)
frying bacon in a pan
b)
sea breeze at the beach
c)
melting ice in your hand
d)
burning your finger on the stove
4.
Which is the best example of heat transfer by convection?
a)
frying bacon in a pan
b)
sea breeze at the beach
c)
melting ice in your hand
d)
burning your finger on the stove
5.
Which best explains why a hot air balloon floats?
a)
The heated air expands to fill the balloon. The air in the balloon is now lighter than the surrounding air, causing the balloon to rise.
b)
The heated air expands to fill the balloon. The air in the balloon is now heavier than the surrounding air, causing the balloon to rise.
c)
The heated air contracts to fill the balloon. The air in the balloon is now denser than the surrounding air, causing the balloon to rise.
d)
The heated air contracts to fill the balloon. The air in the balloon is now lighter than the surrounding air, causing the balloon to rise.
6.
How does heat energy from the sun reach Earth?
a)
conduction
b)
convection
c)
insulation
d)
radiation
7.
A student places a cup of cold water on a counter in a hot room. After a short time, the student notices that the water in the cup is no longer cold. Which best explains why the water in the cup is no longer cold?
a)
The coldness of the water transferred to the air, making the water in the cup warmer.
b)
The coldness of the water was conducted to the cup, making the water in the cup warmer.
c)
The heat from the air transferred to the water in the cup, making the water in the cup warmer.
d)
The heat from the air caused the cold water in the cup to condense, making the water warmer.
8.
On a hot summer day, a student dropped an ice cube onto a park bench. Within minutes, the ice cube melted. Which bestdescribes the process the student observed?
a)
radiation
b)
combustion
c)
conduction
d)
convection
9.
Which is the best example of conduction?
a)
boiling a pot of water
b)
feeling heat from a fireplace
c)
a hot air balloon rising and falling
d)
touching a hot handle and getting
10.
Which material would be the best choice for a cooking tool to be used when grilling food over a fire?
a)
plastic
b)
metal
c)
paper
d)
wood
11.
A cooler made from which materials would be best to use to keep food cold?
a)
plastic
b)
paper
c)
wood
12.
Which most often occurs when a pot of water boils?
a)
condensation
b)
freezing
c)
melting
13.
Which best describes the process of creating a metal sculpture?
a)
The metal is cooled, then heated, and shaped into a design.
b)
The metal is heated, then cooled, and shaped into a design.
c)
The metal is cooled, shaped into a design, then heated.
d)
The metal is heated, shaped into a design, then cooled.
14.
Mr. Olivares drinks coffee on his way to work. Today, he poured it into a metal travel mug instead of a paper cup. What will he most likely notice about the temperature of his coffee when he gets to work?
a)
His coffee will be colder, because the mug is taller.
b)
His coffee will still be hot, because the mug is taller.
c)
His coffee will be colder, because the mug is metallic.
d)
His coffee will still be hot, because the mug is metallic.
15.
Jackson likes to cook but is always in a hurry. He needs a pot that will cook his food quickly. Which is the best material for his cooking pot?
a)
copper
b)
glass
c)
plastic
d)
wood
16.
Manuel was having trouble opening a new glass jar of pickles. His father told Manuel to hold the metal lid of the jar under running hot water for a few seconds, then try again. Then the lid opened easily. What is the mostlikely reason Manuel’s father suggested using hot water to loosen the lid?
a)
Glass contracts when it is heated.
b)
Metals expand when they are heated
c)
Metals are easier to grip when they are warm.
d)
Hot water reduces friction between metal and glass.
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