Convection, conduction, radiation

Convection, conduction, radiation

Assessment

Flashcard

Science

6th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases). Warm fluid rises while cooler fluid sinks, creating a circulation pattern.

2.

FLASHCARD QUESTION

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials. It occurs when heat moves from a hotter object to a cooler one.

3.

FLASHCARD QUESTION

Front

What is radiation?

Back

Radiation is the transfer of energy through electromagnetic waves. It does not require a medium and can occur in a vacuum.

4.

FLASHCARD QUESTION

Front

Give an example of convection in everyday life.

Back

An example of convection is the sea breeze, where warm air rises over the land and cooler air from the sea moves in.

5.

FLASHCARD QUESTION

Front

How does a hot air balloon rise?

Back

A hot air balloon rises because the air inside the balloon is heated, making it less dense than the cooler air outside, causing it to float.

6.

FLASHCARD QUESTION

Front

What happens when you hold an ice cube in your hand?

Back

Your warm hand transfers energy to the ice cube, causing it to melt.

7.

FLASHCARD QUESTION

Front

What is the main difference between conduction and convection?

Back

Conduction occurs through direct contact, while convection involves the movement of fluids.

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