Earth's Atmosphere - Quiz #1

This part of the atmosphere is made up of ions and is where the northern lights can be seen.

• stratosphere

• mesophere

• ionosphere

• thermosphere

The sub-layer that protects us from ultraviolet radiation.

• ozonesphere

• atmosphere

• troposphere

• stratosphere

The sub-layer that thins into space and lacks air.

• stratosphere

• ozonosphere

• thermosphere

• exosphere

The hottest sub-layer. It filters out gamma rays and x-rays from the sun.

• thermosphere

• mesosphere

• atmosphere

• exosphere

The sub-layer that is the coldest. Meteors that enter our solar system usually burn up here.

• ionosphere

• mesosphere

• troposphere

• exosphere

The sub-layer that has very little air movement and is where planes fly.

• mesosphere

• troposphere

• oxonesphere

• Stratosphere

The layer that contains most of the weather and air molecules.

• atmosphere

• troposphere

• thermosphere

• mesosphere

The air that surrounds the Earth and sustains life.

• atmosphere

• ozoonesphere

• stratosphere

• exosphere

The two main gases found in the atmosphere are _____ and _______

• oxygen and hydrogen

• water vapor and oxygen

• nitrogen and oxygen

• nitrogen and hydrogen

Billions of years ago, Earth was a very hot place due to _____________

• volcanoes

• the sun

• Meteorite bombardment

• water vapor