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How to measure your lung capacity is a really simple
experiment where you're going to need is
a measuring cup
a jug of water
a marker pen
a length of hose and
a large bowl of water
Firstly take your tape and place to
strip along the entire length of your large bottle. Make sure it's fixed
securely. Then take your funnel, put it into the neck of the bottle and pour two
hundred and fifty milliliters of water inside.
Then take your marker pen and
make a small line on the level of the water. You need to repeat this several
times until the bottles full. Measure very carefully. so that the
experiment is accurate.
You need to be patient for this.When you made the final mark it look like this.
Then fill up the whole bottle. Next
part of the experiment is quite tricky to you may need help from an adult place.
one hand over the neck of the bottle very carefully turn it upside down and
placed inside the water.
During this will mean that all of the water inside the
bottle , none gets poured out. Then take the hose and very carefully
making sure that the next the bottle stayed inside the water place one end of
the hose inside the bottle. The way this experiment works is that by blowing air
inside the bottle. You replacing all of the water inside then using the marks on
the side of the bottle you can simply count one volume of water has been
replace all that's left is the used one hand to hold the buckle down and then
taking a deep breath in blow as hard as you can. when you're finished
count all of the marked the term above the water level.