Modes of Heat Transfer Notes

Multiple Choice

Which of the following is NOT a mode of heat transfer?

• Radiation

• Conduction

• Evaporation

• Convection

​https://www.youtube.com/watch?v=wV7gzcKegdU

Open Ended

How did the witches burn their hands without even touching the hot liquid?

Open Ended

Describe a real-life situation where you have experienced heat transfer and identify which mode of heat transfer was involved.

Fill in the Blank

Fill in the blank: The transfer of heat through direct contact between materials is called ___.

Multiple Choice

Which of the following is the best example of heat transfer by conduction?

• A metal spoon getting hot in a pot of soup

• The sun warming your face

• Warm air rising to the ceiling

• Microwaving food

Open Ended

After watching the video on conduction, explain in your own words how conduction transfers heat from one object to another.

Draw

Draw an example of heat transfer through conduction.

Multiple Choice

Conduction is the transfer of heat by:

• Direct contact between two objects

• Hot fluids rising and cool fluids sinking

• Electromagnetic waves

Multiple Choice

Which of the following is an example of heat transfer through conduction?

• Standing near a fireplace and feeling warm.

• You are holding an ice cube and it melts.

• A hair dryer

Multiple Choice

How is heat transferred through conduction?

• Warmer, less dense air rises and cooler, more dense air sinks.

• Heat is transferred through electromagnetic waves from the ground to the air above it.

• Faster moving molecules transfer heat to slower moving molecules when they are in direct contact.

Multiple Choice

Which of the following statements about convection is correct?

• Convection is the transfer of heat by the movement of a fluid.

• Convection only occurs in solids.

• Convection requires direct contact between objects.

• Convection is the same as conduction.

Open Ended

Explain the difference between conduction and convection as modes of heat transfer.

Multiple Choice

What is the process called when heat is transferred through the movement of fluids such as water or air?

• Convection

• Conduction

• Radiation

• Evaporation

Draw

How does water move in the pot as it boils? Use red arrows for hot water and blue arrows for cooler water.

Multiple Choice

Which of the following statements correctly describes what happens to water at the bottom of a heated pot?

• It becomes warmer, less dense, and rises.

• It becomes cooler and sinks.

• It evaporates immediately.

• It stays at the bottom and does not move.

Open Ended

Explain why convection is important in everyday life. Give at least one example from your own experience.

Multiple Select

Select all the correct statements about convection currents in water.

• Warm water rises because it is less dense.

• Cool water sinks because it is more dense.

• Warm water sinks to the bottom of the pot.

• Cool water rises to the top of the pot.

Fill in the Blank

The continuous movement of warm water rising and cool water sinking in a pot creates a ___ current.

Open Ended

Why does warm water rise in the pot of water?

Fill in the Blank

Convection currents in the atmosphere are responsible for the movement of ___ air upwards and ___ air downwards.

,

Multiple Choice

What is the main way heat is transferred in Earth's atmosphere?

• Conduction

• Convection

• Radiation

• Evaporation

Multiple Select

Which of the following are effects of convection currents in Earth's atmosphere?

• Formation of wind

• Heating of the ground

• Movement of ocean currents

• Cloud formation

Open Ended

After watching the video 'Bill Nye The Science Guy on Wind,' describe how wind is related to convection currents in the atmosphere.

Draw

Draw convection in the atmosphere using red for warm air and blue for cool air.

Multiple Choice

What is heat transfer?

• Transfer of heat from a warm object to a cooler one.

• Transfer of heat from a cold object to a colder one.

Multiple Choice

The transfer of heat by the movement of a fluid is called:

• Conduction

• Convection

• Radiation

Multiple Choice

Convection takes place in:

• Solids and Liquids

• Liquids and Gases

• Solids and Gases

Draw

Draw the Sun warming the Earth with electromagnetic waves.

Multiple Choice

Radiation is the transfer of heat by...

• Touching

• Convection Currents

• Electromagnetic Waves

Multiple Choice

Which of the following is an example of heat transfer through radiation?

• Touching a hot pot handle.

• Heat next to a camp fire.

• Warm air rising in the atmosphere, and then cool air falling.