Air and Water

The layer which burns meteoroids?

• Thermosphere

• Mesosphere

• Stratosphere

• Exoshere

What is aurora borealis?

• Pattern of differently coloured lights.

• Dancing Spirits

• Artificial lights in the sky

There is an -----------of air surrounding the Earth

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Where does aurora borealis.

• Troposphere

• Exosphere

• Mesosphere

• Thermosphere

Air exerts pressure?

• True

• False

The atmosphere is a mixture of ------------

• gases

• Only carbon dioxide

• Only nitrogen

• Only oxygen

• None of this

Air is Colourless,Odourless and Tasteless.

• True

• False

What does stratosphere do?

• Burns meteoroids

• Has all the weather phenomena

• Saves us from the suns ultraviolet rays

What is the composition of nitrogen.

• 21%

• 78%

• 1%

• 0.90%

Is oxygen needed to burn fire.

• yes

• no