Earth's Atmosphere

What is the only planet that has an atmosphere conducive to live?

Earth

What layer of the atmosphere protects us from being hit from meteoroids?

Mesosphere

What layer's temperature decreases to - 90 degrees?

Mesosphere

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

Nitrogen and oxygen are the two most abundant gases.

What layer contains the ozone layer that protects us from ultraviolet radiation from the Sun?

Stratosphere

In which two layers do temperatures increase with increases in altitude?

Stratosphere and thermosphere

How many gases make make up 1% of Earth's atmosphere?

seven

What happens to temperatures as you climb in altitude in the troposphere?

temperatures decrease

Which layer contains radio waves?

Ionosphere

What percentage of Earth's atmosphere is Oxygen?

21%

What percentage of Earth's atmosphere is Nitrogen?

78%

What is meant by the " Goldilocks Conditions?"

Earth's atmosphere is neither too hot nor too cold. It is just right.

In which layer would satellites be found?

Exosphere

What are the two sublayers of the thermosphere?

Exosphere and Ionosphere

In which layer would the ISS and space shuttles be found?

Thermosphere

Which layer contains the Northern lights?

Thermosphere

Which layer is the hottest because the Sun strikes there first?

Thermosphere

What layer contains the most mass?

Troposhere

In which layer do airplanes fly?

Troposphere

In which layer does weather occur?

Troposphere

What is the lowest and densest layer of the atmosphere?

Troposphere

What layer of the atmosphere do we live?

Troposphere

In which two layers do temperatures decrease with increases in altitude?

Troposphere and mesosphere

List the layers of the atmosphere from the lowest to highest.

Troposphere, stratosphere, mesosphere, thermosphere, ionosphere, exosphere