Heat and the Atmosphere

Which type of heat transfer works by transferring heat through empty space?

• Conduction

• Convection

• Radiation

Which type of heat transfer works by transferring heat through direct contact?

• Conduction

• Convection

• Radiation

Which type of heat transfer works by transferring heat through differences in density?

• Conduction

• Convection

• Radiation

When a substance becomes less dense it will...

• Rise

• Sink

• Not move at all

Select the correct order for how the atmosphere is eventually warmed.

• Convection, conduction and then radiation

• Radiation, conduction and then convection

• Radiation, convection and then conduction

Tags

NGSS.MS-PS1-4

Oxygen represents what percentage of our atmosphere?

• 50%

• 75%

• 20%

What is the most commonly known greenhouse gas, which humans are responsible for emitting by using cars, planes and factories.

• Carbon dioxide

• Oxygen

• Nitrogen

Temperature can be described as

• How cold something is

• How hot something is

• The speed at which molecules are moving

Tags

NGSS.MS-PS1-4

Where is there more air density and, therefore, more air molecules?

• At the surface of Earth (where we live)

• 1 mile up into the atmosphere

• At the top of Mt. Everest

In which layer do meteorites burn up?

• Troposphere

• Mesosophere

• Stratosphere