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The States of Matter: Solid Liquid and Gas


Hi, I am Jared, and welcome to Science
Demonstrations for Young Learners. The big idea today is that there are
three states of matter: there are solids, (tap, tap, tap) there are liquids, and there are gases. I cannot
show you the gases because they are clear. Well, science tells us the gases in this
room, in our atmosphere, are largely made up of
two gases. About 20% oxygen, and that oxygen
is really important to us as humans, and the rest, 80%
roughly, 75% is nitrogen. The nitrogen is really
important to plants. It is beneficial, they are cool. But they are
clear and we cannot see them. And we want to talk about them. So how do
we do it? Well, we are going to create a gas and hopefully get you to see it using
science. So I have two substances, two materials to
make that happen. We have baking soda and we have vinegar. These two ingredients will create
another gas. You cannot smell it through the video camera,
but you will be able to see it a la the candle. So here we go. We are going to dump in the baking soda,
and when I add the vinegar I should get a reaction. How do I tell it is a
reaction? It is going to bubble, it is going to foam. It is not going to pop up like a volcano, but you are going to see the fizz happen,
almost like soda. A gas is given off. What do you think is coming out of those bubbles? Well, it is actually carbon dioxide. Carbon
dioxide is not oxygen. Carbon dioxide should be able to extinguish and put out this flame. It is
actually a lot heavier than the air around us, so it should stay in the beaker. It is not
going to be spilling over the sides. You could not see it, it will stay in the beaker, and I am going to prove
it to you. Now for the science. We add the
vinegar now for the science we add the vinegar. You can see the reaction: the foaming
action, the bubbling, the popping. Plop, plop, fizz, fizz, oh what a relief it is! There are gases being released into that
beaker, but you cannot see it, neither can I. It is in there, it is heavy, so I should be
able to actually pour the gas onto the flame and watch the flame go out. This is the cool part. I am not going to pour
any of the liquid, I am going to pour the gas out of here onto the
flame. Whoa, I did not blow that candle out. The carbon dioxide smothered it. It is
kind of like putting an invisible blanket on the flame. Oxygen cannot get to it. All the carbon dioxide
swirls around that flame, the candle cannot take any of the oxygen in
the air, carbon dioxide put out the flame. Science
is so cool. Thanks for watching.

3 thoughts on “The States of Matter: Solid Liquid and Gas

  1. Hey, Jared im wondering if you could explain whether water is wet or not. Also cant believe you said you weren't a magician in other videos cause that was magic.

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