Friday, February 26, 2016

Balloons

To have fun with balloons and to introduce children to think about different types of gases.

Balloons equal party, fun and celebrations.  Balloons are great to use with kids and I have used balloons a lot in my STEAM storytimes to demonstrate different concepts.  This session can be used for a birthday theme storytime or for any storytime session that involves celebrations.


I couldn't resist posting this photo of my son on his first birthday!

Science concepts

To blow up a balloon we usually use air.  Air is made up of gas that goes into the balloon. There are different ways to make this gas.

Experiment: 

Blowing up balloons with different gases.
Equipment 
600 ml bottle ¼ filled with vinegar;
Bicarb soda, funnel;
2 balloons;
spoon.

Blow up a balloon and talk about putting gas into the balloon (that comes out of your lungs when you breath).  Tie up balloon.

In another balloon put 2 table spoons of bicard soda (using funnel)
Carefully attach the neck of the balloon to the bottle without the bicarb soda spilling into the bottle.
Hold the balloon upright so the bicarb soda goes into the bottle and watch the solution fizz and the resulting gas fill up the balloon.  When the reaction has finished tie up the balloon.
You can view the demonstration here

Explain to kids how there are different types of gas and the gas in this balloon is carbon dioxide which is heavier then the air around us, including the original balloon that was blown up.  Demonstrate this by holding both balloons and dropping them together and watch how the experiment balloon falls faster.   Let the children have fun dropping the balloons together too.
 

Book suggestions:

 

 

Bang went another balloon – Keith Faulkner
Pip and Posy: The big balloon – Axel Scheffler
Seven More Sleeps - Margret Wild and Donna Rawlings
Balloonia – Audrey Wood
Ella and the Baloons in the sky – Danny Appleby
Wibbly pig has 10 balloons – Mick Inkpen

Craft Suggestions:

Make a birthday card with coloured paper balloons of different sizes; or
Cut out a hot air balloon and colour/decorate; or
Buy balloons, blow them up and stick paper to make animals



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