Composition Of Air

1. What is the total mass of the Earth's Atmosphere

• 69%

• 25%

• 75%

• 90%

While there are only three molecules of ozone for every ___ Million molecules of air

• 5

• 10

• 9

• 11

How many atoms of Nitrogen are needed to form a molecule of it

• 1

• 2
• 3

• 5

Tags

NGSS.MS-PS1-1

What is the percentage of oxygen in the Earth's atmosphere?

• 21%

• 15%

• 30%

• 10%

How many layers does the Earth's atmosphere have?

• 3

• 4

• 5

• 6

What is the most abundant gas in the Earth's atmosphere?

• Nitrogen

• Oxygen

• Carbon Dioxide

• Argon

How many types of gasses are present in air.

• 1

• 69

• 8

• 4

• 5

Rearrange the following word

NODRA

Fill in the blanks

1) The atmospheric pressure _____ with increase altitude

• a) Increase

• b) Decrease

• c) Remains the same