Earth Structure

What is the definition of CONDUCTION?

• When heat is transferred from objects like rays of light or electromagnetically.
• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• When heat transfers from objects that are touching.
• When heat transfers through the heater or AC in your house.

What is the definition of CONVECTION

• When heat transfers through waves.
• When heat transfers from objects that are touching.
• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• Heat traveling from the sun

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

• conduction
• convection
• radiation

What kind of heat transfer happens when the sun is heating your body?

• Conduction
• Radiation
• Convection
• Density

Which layer of the earth is in the very center?

• Crust
• Mantle
• Outer Core
• Inner Core

Which layer of the earth is between the core and the crust?

• Crust
• Mantle
• Outer Core
• Inner Core

Which layer of the earth creates the earth's magnetic field?

• Crust
• Mantle
• Outer Core
• Inner Core

Which layer of the earth is much thinner than the others?

• Crust
• Mantle
• Outer Core
• Inner Core

Which layer of the earth is under the highest pressure?

• Crust
• Mantle
• Outer Core
• Inner Core

This layer of Earth is solid Iron and Nickel

• Outer Core
• Mantle
• Inner Core
• Crust