2.1 What is Atmosphere

Open Ended

Think about it...

Earth is the only livable planet known to humans, as it can sustain life for a significant period. What contributes to this ability of Earth?

Multiple Choice

What distinguishes Earth's atmosphere from those of other planets?

• thickness of atmosphere

• abundance of oxygen

• predominance of carbon dioxide

Categorize

Options (4)

nitrification

denitrification

photosynthesis

respiration

Categorize the term with the terms with the correct cycle.

Nitrogen Cycle

Oxygen Cycle

Multiple Choice

The rainforests are situated near the equator and hence receive heat throughout. What would the most likely pressure conditions be in the rainforests?

• high-pressure area because air sinks due to increase in temperature

• low-pressure area because air rises due to increase in temperature

• low-pressure area because air sinks due to decrease in temperature

Multiple Choice

Which layer of the atmosphere contains almost all weather phenomena?

• Exosphere

• Mesosphere

• Troposphere

Multiple Choice

Which statement is correct regarding the composition of Earth's atmosphere?

• Nitrogen and oxygen are in equal amounts in the atmosphere.

• 
  Nitrogen and oxygen are abundant, and carbon dioxide is less so.

• Carbon dioxide makes up most of the atmosphere.

Multiple Choice

In which location would you experience the highest air pressure and density?

• 
  at the beach

• on a hot air balloon floating in the sky

• on a mountain peak

Match

Match the layer of the atmosphere with the correct feature.

• Space stations are usually found in this layer.

• Temperature inversion is observed in this region.

• It protects Earth from harmful ultraviolet radiation.

• Meteors usually get burned up in this layer of the atmosphere.

thermosphere

stratopause

ozone layer

mesosphere

• thermosphere

• stratopause

• ozone layer

• mesosphere

Open Ended

You have been asked to design the atmosphere for an imaginary planet. This atmosphere should support life and should be based on the features of Earth's atmosphere.

What features of Earth's atmosphere will you use in your design?

You can start your response with:

The Earth's Atmosphere features include...

Multiple Select

Exit Ticket...

Which layer of the atmosphere do you find the most interesting?

• Exosphere

• Thermosphere

• Mesosphere

• Stratosphere

• Troposphere