Conduction Convection Radiation

Conduction Convection Radiation

Assessment

Flashcard

Science

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials. It occurs when molecules collide and transfer energy to neighboring molecules.

2.

FLASHCARD QUESTION

Front

What is convection?

Back

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

3.

FLASHCARD QUESTION

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves. It does not require a medium to travel through, allowing heat to be transferred through empty space.

4.

FLASHCARD QUESTION

Front

How does an iron smooth out wrinkles in clothes?

Back

An iron smooths out wrinkles by transferring heat to the clothes through conduction.

5.

FLASHCARD QUESTION

Front

How do heat lamps keep baby chickens warm?

Back

Heat lamps keep baby chickens warm by transferring heat through radiation.

6.

FLASHCARD QUESTION

Front

Why is the air warmer near the ceiling of a room?

Back

The air is warmer near the ceiling because warm air rises due to convection.

7.

FLASHCARD QUESTION

Front

What is the main way heat is transferred in a microwave?

Back

The main way heat is transferred in a microwave is through radiation.

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