Heat Transfer

Four steel blocks were heated to different temperatures and stacked together as shown. In which direction will heat be transferred?

• From Sample 4 to Sample 1

• From Sample 2 to Sample 3

• From Sample 2 to Sample 4

• From Sample 3 to Sample 2

Which type of thermal energy transfer would be occurring between all these touching steel blocks?

• Conduction

• Convection

• Radiation

• Reflection

Tags

NGSS.MS-PS1-4

Energy from the Sun reaches Earth by

• Conduction

• Convection

• Radiation

• Reflection

A heated metal object measures 120 degrees C. It is dropped into a small bucket filled with water that is 10 degrees C. Which of the following is most likely to occur?

• Both the water and the metal will adjust to the same temperature below 10 degrees C.

• The water and metal will adjust to different temperatures above 120 degrees C.

• The water will remain the same temperature, but the metal will cool to 10 degrees C.

• The water and metal will adjust to the same temperature between 10 and 120 degrees C.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Thermal energy transfer by conduction happens when heat moves from one object to another by

• moving in currents

• coming in direct physical contact with it

• being carried in a fluid like air or water

• traveling through empty space

You feel warmed when sitting next to a campfire. Which type of heat transfer does this represent?

• Convection

• Radiation

• Conduction

• Reflection

You decide to make macaroni in a pot. As the water heats up, you feel the stove warming you even though you're not touching it. You feel the heat because of __________.

• Conduction

• Convection

• Radiation

• Reflection

Tags

NGSS.MS-PS1-4

Once the water starts boiling in a pot of macaroni, you notice the noodles floating to the top and then sinking to the bottom. This is a great example of _________.

• Conduction

• Convection

• Radiation

• Reflection

Tags

NGSS.MS-PS1-4

Once the macaroni noodles are done, you grab the handle of the pot and it burns you. This is an example of __________.

• Conduction

• Convection

• Radiation

• Reflection

An iron heats up and then is pressed directly onto clothes to flatten out wrinkles. Which type of heat transfer does this represent?

• Conduction

• Convection

• Radiation

• Reflection

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3