Inv. 1 Lesson 2 Slides - Heat Transfer

Multiple Choice

What is heat?

• The transfer of thermal energy from one object to another

• The storage of thermal energy in an object

• The conversion of thermal energy to light

• The reflection of thermal energy

Dropdown

In what units is heat (Q) measured?​ ​

Select answer

Multiple Choice

Thermal conductivity is....

• How fast heat passes through something
• How hot certain materials get
• Something that doesn'treadily allow heat to pass theough
• Metals

Multiple Choice

What is the primary mechanism of energy transfer in conduction?

• Radiation

• Direct contact

• Sound waves

• Light waves

Multiple Choice

A material that DOES NOT allows heat, or electricity, to flow through it would be called what?

• Conductor

• Insulator

• Covector

• Thor

Multiple Choice

What does the boundary layer at the bottom of the pot do?

• It cools the pot

• It transfers heat from the pot to the water

• It prevents the pot from heating

• It increases the pot's temperature

Multiple Choice

What does the graph in the image indicate about the temperature of the liquid between the boundary layers? (temperature is on the x-axis)

• The temperature is constant

• The temperature decreases

• The temperature increases

• The temperature fluctuates wildly

Multiple Choice

Which mechanism of heat flow involves the movement of solids, fluids, or gases?

• Conduction

• Convection

• Radiation

• Reflection

Multiple Choice

What can atoms do with radiation?

• Only absorb it

• Only emit it

• Absorb and emit it

• Reflect it

Multiple Choice

What is the primary form of energy transfer in space?

• Conduction

• Convection

• Radiation

• Evaporation

Multiple Choice

What is the relationship between temperature and wavelength in the radiation diagram?

• Higher temperature, longer wavelength

• Higher temperature, shorter wavelength

• Lower temperature, shorter wavelength

• Temperature does not affect wavelength

Multiple Choice

When I emit (send out) IR radiation, my body gets:

• Hotter

• Cooler

• Stays the Same

• Humans don't emit radiation

Multiple Choice

In the diagram, what process is responsible for warm air rising?

• Conduction

• Convection

• Radiation

• Evaporation

Multiple Choice

Which form of heat transfer is illustrated by the arrows pointing from the radiator to the room?

• Conduction

• Convection

• Radiation

• Evaporation

Multiple Choice

A cat is hanging out several feet from a fire in a fireplace. This causes the kitty cat to get warm. The kitty cat is warm because of...

• Convection

• Conduction

• Radiation

• The fur sweater he's wearing!

Multiple Choice

A certain type of decorative lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to

• Convection

• Conduction

• Radiation

• Globulation

Multiple Choice

The heat transferred from the Sun to the Earth by waves is called ________.

• conduction

• radiation

• convection

Multiple Choice

Near the ceiling of a room the air is warmer. The warm air rises because of ________.

• conduction

• convection

• radiation

Multiple Choice

How is energy transferred between atoms with different thermal energy?

• From cooler to hotter atoms

• From hotter to cooler atoms

• Equally in both directions

• Not transferred at all

Multiple Choice

Which of the following is NOT a mechanism of heat flow?

• Conduction

• Convection

• Radiation

• Reflection