# Conduction Convection And Radiation Quiz 1

20 Questions | Total Attempts: 880

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• 1.
What is heat emission?
• A.

CO2

• B.

When heat is produced by an object

• C.

When heat is taken in by an object

• D.

When heat passes from one object to the other

• 2.
What is heat absorbtion?
• A.

CO2

• B.

When heat is produced by an object

• C.

When heat is taken in by an object

• D.

When heat passes from one object to the other

• 3.
When do objects emit or absorb radiation?
• A.

Never

• B.

Always

• C.

Sometimes

• D.

Hardly ever

• 4.
A thermometer works because the liquid in it contracts when heated this is an example of
• A.

• B.

Conduction

• C.

Convection

• 5.
Rising warm air currents is an example of
• A.

• B.

Conduction

• C.

Convection

• 6.
How is air heated in our atmosphere
• A.

• B.

Conduction

• C.

Convection

• 7.
True or False higher temperature means faster moving molecules
• A.

True

• B.

False

• 8.
True or false - air is a great conductor of heat
• A.

True

• B.

False

• 9.
The reason why water boils causing the circular motion is due to?
• A.

• B.

Conduction

• C.

Convection

• 10.
When rocks are heated by the warmth of the sun this is an example of?
• A.

• B.

Conduction

• C.

Convection

• 11.
When a metal spoon with a temperature of 20oC is placed into a cup of water with a temperature of 90oC the spoon will heat up. This is an example of:
• A.

• B.

Conduction

• C.

Convection

• 12.
During a house fire, the smoke and flames rise up, but the air down near the floor is cooler and less smoky. This is an example of
• A.

• B.

Conduction

• C.

Convection

• 13.
When heat is given off by light this type of heat is known as?
• A.

• B.

Conduction

• C.

Convection

• 14.
The transfer of heat between substances that are in direct contact with each other is called what?
• A.

• B.

Convection

• C.

Conduction

• D.

Heat Transfer

• 15.
The air in the hot air balloon is heated and circulates.  This is an example of ...
• A.

Conduction

• B.

Convection

• C.

• 16.
A boy sits to the side of a campfire.  He is 10 feet away, but still feels warm.  This is an example of ...
• A.

Conduction

• B.

Convection

• C.

• 17.
Light waves traveling through empty space
• A.

Conduction

• B.

Convection

• C.

• 18.
This type of heat transfer occurs when heat moves from one molecule to another.
• A.

• B.

Conduction

• C.

Convection

• 19.
The rays in this picture is an example of
• A.

Conduction

• B.

Convection

• C.

• 20.
The transfer of energy in fluids or gases
• A.

Conduction

• B.

Convection

• C.