Balloons

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Balloons
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What are these?
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They are balloonsthat haven't been blown up!
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You can blow up a balloon with your mouth, like
this,
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or you can go to a store and have them put helium
in it.
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Helium (He) is a gas.
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helium molecule
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Helium makes balloons go up and up into the sky.
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We use balloons at parties,
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and we give them on birthdays and other occasions.
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What is this sticky white stuff, coming from a
tree?
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It is rubber.
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Rubber is used tomake balloons.
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Look at all those new rubber balloons!
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Kids love balloons!
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What will happen ifsomeone takes this pin,
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and pokes it in the balloon?
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The balloon will burst.It goes "pop"!
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In the summer, sometimes, people fill up balloons
with water,
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and then throw themat each other!  It's fun!
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A hot air balloon
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is filled up with a burner,like this.
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The burner heats up the air, and the air rises,
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filling up the balloon,
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until it floats up in the sky!
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People can ride down below, in the gondola.
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The End