Atmosphere grade 6

Which of the following is the correct order of the atmosphere layers from Earth to space?

• troposphere, stratosphere, mesosphere, thermosphere, exosphere

• troposphere, mesosphere, thermosphere, exosphere, stratosphere

• thermosphere, stratosphere, mesosphere, troposphere, exosphere

• troposphere, stratosphere, mesosphere, exosphere, thermosphere

What are the 2 most abundant gases in Earth's atmosphere?

• Nitrogen & Carbon dioxide

• Nitrogen & Oxygen

• Carbon dioxide & Oxygen

The layers of the atmosphere are classified according to changes in _________.

• altitude

• density

• composition

• temperature

What happens to air pressure as you go higher in the atmosphere?

• It increases.

• It decreases.

• It stays the same.

• It increases and then decreases.

In which layer of the atmosphere does weather occur?

• Mesosphere

• Thermosphere

• Stratosphere

• Troposphere

What is the second lowest main layer of Earth's atmosphere?

• Thermosphere

• Troposphere

• Stratosphere

• Mesosphere