Heat Transfer & Earth's Layers

Which of the following is an example of conduction?

• A pot touching a hot stove.

• The liquid inside the pot rising when heated and falling when cooled.

• The sun melting an ice cream cone.

Answer explanation

Conduction happens when to solids are touching. The pot touching the stove is two solids touching to transfer the heat between them.

Which of the following is an example of convection?

• A hot air balloon being filled with hot air and rising up.

• A pot sitting on a hot stove.

• The sun melting an ice cream cone.

Answer explanation

Convection happens when heat is transferred through liquids or gasses. Since air is a gas, the hot air inside the hot air balloon is heated by the flame and continuously rises as it gets hotter and then cools once at the top to sink back down being reheated.

Tags

NGSS.MS-ESS2-6

Which of the following is an example of radiation?

• The sun melting an ice cream cone.

• A pot sitting on a hot stove.

• Hot air inside a hot air balloon.

Answer explanation

Radiation is when heat is transferred through waves, not by solids, liquids or gasses. The waves of heat energy being emitted by the sun are what cause the ice cream to melt.

What type of heat transfer is letter A?

• Convection

• Conduction

• Radiation

What type of heat transfer is letter B?

• Convection

• Conduction

• Radiation

What type of heat transfer is letter B?

• Convection

• Conduction

• Radiation

Tags

NGSS.MS-PS3-3

Which layer of the Earth is the most dense?

• Crust

• Mantle

• Outer core

• Inner Core

Which layer of Earth is the thickest?

• Crust

• Mantle

• Outer core

• Inner core

What layer of the Earth is #1?

• Inner core

• Outer core

• Mantle

• Crust

Tags

NGSS.MS-ESS2-1

What layer of the Earth is #4?

• Inner core

• Outer core

• Mantle

• Crust