Heat Transfer Test Review

QuizÂ by Cynthia Stallings

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16 questions
• Q1
Hot water rises and cold water sinks. This is an example of
condensation
convection
conduction
30s
• Q2
A spoon in a cup of hot soup becomes warmer. This is an example of
convection
conduction
30s
• Q3
Grilling hamburgers over a charcoal flame is an example of
convection.
conduction.
30s
• Q4
When you feel heat from a campfire, it is an example of
convection.
conduction.
30s
• Q5
A raw egg begins to fry as it hits a heated frying pan. This is an example of
convection.
conduction.
30s
• Q6
Which best describes how heat is transferred?
Heat flows in many different directions between substances.
Heat only flows within individual substances.
Heat flows from a warmer substance to a cooler substance.
Heat flows from a cooler substance to a warmer substance.
30s
• Q7
On a hot day in the sun, why does Ainsley use a foam can holder to keep her drink cool?
Foam reflects heat from the sun off the can.
Foam insulates the cold drink.
Foam reflects cold air from the can.
Foam conducts heat between the can and the air.
30s
• Q8
Which best explains what happens to most materials when they are heated?
They expand.
They contract.
They change color.
They double in size.
30s
• Q9
Which organism most directly converts the sun's radiation into energy it can use?
grass
human
snake
mushroom
30s
• Q10
Which is the best example of heat transfer by radiation?
getting warm by sitting near a campfire
cooling off in a pool on a hot day
burning your hand on a hot stove
melting ice by dropping it into boiling water
30s
• Q11
If you are roasting marshmallows over a fire, how is the warmth of the fire transferred to the marshmallow?
The warmth of the fire is radiated into the marshmallow.
The coolness of the marshmallow is radiated into the fire.
The coolness of the marshmallow is conducted into the fire.
The warmth of the fire is conducted into the marshmallow.
30s
• Q12
Which shows an example of convection?
Hannah wraps herself in an electric blanket to keep warm.
Sam cooks an egg in a pot of boiling water.
Tina burns her hand by touching a light bulb.
Sadie holds the end of a metal rod in fire to cook hot dogs.
30s
• Q13
Which best explains why a hot air balloon floats?
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.
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.
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.
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.
30s
• Q14
In art class, Ms. Green shows a video about creating glass art. Which statement best describes how glass is shaped into a vase?
Glass is melted and is less flexible to shape.
Glass is melted and is more flexible to shape.
Glass is frozen and is more flexible to shape.
Glass is frozen and is less flexible to shape.
30s
• Q15
Why would a tile floor feel cooler to your feet than carpet?
Tile is a poor conductor of heat and transfers heat to your skin.
Carpet is a bad conductor of heat and transfers heat to your skin.
Tile is a better conductor of heat and transfers heat away from your skin.
30s

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