Done By: Sidrah and SakinaGrade 4K

Air is matter

Air occupies space

Air interacts with objects

Air resistance affects how things move

Air is all around objects

Air exerts pressure

Air can be compressed.The pressure from compressed air can move things

Air is a gas

1.Nitrogen constitutes nearly __ % of the atmosphere.

• 21

• 79

• 57

• 42

2. Air is• A Mixture• An Element • A Compound • An Alloy

3. Carbon dioxide is lighter than air.• True False

8. The atmosphere exerts pressure on the surface of the earth.• True• False

5. A space that contains no air or any gas is known as• Hollow • Vacuum• Pressurized Cabin • Bubble

7. When we breathe which of the following gases do we use?• Oxygen• Helium • Carbon Dioxide • Hydrogen

8. Air is a• Gas• Solid • Liquid • Plasma

9. Earth is the only planet that we know of that has:Dust and rocksGas and iceAir and water

10. Air is made up of ....LiquidsSolidsGases

congratulations!!!

Answer:79

Answer:A Mixture

Answer:False

Answer:True

Answer:Vacum

Answer:Oxygen

Answer:Gas

Answer:Air and Water

Answer:Gases

HOPE YOU UNDERSTOOD WHAT IS AIR!

. AIR

Can you see air

Can you feel air

QUESTION AND ANSWER

What did you understood from this ppt?

What is air ?can somebody explain me!

What can air do?

I don’t know what is air ushfjg air ? Can you explain me explain me

shringar ?

HOT QUESTION TIME ? ? ? ? ? ?

What is filled in a balloon?

HOPE!!!!!

DID YOU KNOW WHAT IS AIR !

I THINK YES!

AM I RIGHT!

GREAT