HOW MUCH CAN YOUR LUNGS HOLD???

Did you want to know how much  air your lungs can hold?
If, yes, YOU MUST TRY THIS EXPERIMENT!!


Materials:


A clean large plastic bottle
Kitchen sink or large water basin
Clean  plastic tubing
Water

Instructions

Put 10 cm of water into the kitchen sink.

 Fill the plastic bottle right to the top with water.
   
Put your hand over the top of the bottle to stop water escaping when you turn it upside down.


Turn the bottle upside down.


Place the top of the bottle under the water in the sink before removing your hand.


 Push one end of the plastic tube into the bottle. 
 Take a big breath in.

Breathe out as much air as you can through the tube

Observe: The air which you breathe out from your lungs, takes place of the water in the bottle, the amount of air present in the water is the  amount your lungs can hold!

Having a big air capacity in your lungs means you can distribute oxygen around your body at a faster rate!!

 Caution: Everything used in this experiment should be clean.

OBSERVING THE CYCLE OF A BUTTERFLY!!!!

Have you ever observed a life cycle of a butterfly???


Let's observe!!! (This experiment needs at least a month)


Materilals:


Ice-cream Tub


Pencil


Caterpillar (You can purchase them from some shops)


Leaves


Twigs

Instructions

Poke a few holes in the big ice-cream tub, with the help of the pencil.

Now put a few twigs into the ice-cream tub, and put  the caterpellar into the tub.

Now put a few fresh leaves.

Keep on changing the leaves everyday and also see the changes in the caterpillar.

Once, the caterpillar changes into a cacoon check more regulary.

After 7-10 days the cacoon will change into a butterfly or a moth.

Release the insect after it has transforned into a butterfly or a moth.


If it does not change into a butterfly or a moth, you would have to try the experiment all over again.

LIFE CYECLE OF A BUTTERFLY