1. AIR PROPERTIES
Presented by:
Sant Josep school
6th course primary
Navas, Barcelona, Spain
Teachers:
Fina Vendrell and Eva Rosell

2. Air has got weight.
It hasn’t got smell, color and taste.
Air can be expanded aanndd iinnccrreeaasseedd..
It occupies space.
It can be reduced and compressed.

3. EXPERIMENT 1
DOES COLD AIR CONTRACT AND HOT AIR
EXPAND?
Materials:
•Two containers with water (one with hot water
and the other with cold water)
•one plastic bottle
•one balloon.
Use a thermo to keep the water hot and ice cubs to cold the water
as much as possible.

4. Procedure:
1. Take the balloon and stretch the neck of the balloon over
the bottle top.
2. Put the bottle with the balloon at the top inside the container
with hot water and observe.

5. 3. Now, put the bottle with the balloon inside the container with
the cold water.
Explain the experiment and your results.

6. EXPERIMENT 2
DOES AIR TAKE UP SPACE?
Materials:
•a jar filled with water
•some paper tissues
•one glass
•one ping-pong ball.

7. Procedure:
1. Take the ping-pong ball and leave it into the jar.

8. 2. Then take the glass and push it from the top of the jar to the
bottom ( be careful the ping-pong ball has to be inside the glass when
you push it).
3. Observe, Is there wwaatteerr iinn tthhee ggllaassss??
4. Now repeat the same procedure, but before to sink the glass put
the tissues inside.
Explain the experiment and your results

9. EXPERIMENT 3
CAN AIR PRESSURE CRUSH A CAN?
Materials:
•Empty soda can
•Hot plate or stove
•Cooking tongs
•Gloves
•Bowl
•Cold water

10. Procedure:
1. Fill the bowl with cold water (the colder the better).
2. Add one generous tablespoon of water ttoo tthhee eemmppttyy ssooddaa
can (just enough to cover the bottom of the can).

11. 3. Place the can on the burner of the stove while it is in the “OFF”
position. It’s time for that adult to turn on the burner to heat the
water. Soon you’ll hear the bubbling sound of the water boiling and
you’ll see the water vapor rising from the can.

12. 4. Continue heating the can for one more minute.
5. Put on your globes. Use the tongs to transfer the can into the
bowl of water.
6. Invert the can and submerge
Explain the experiment and your results.