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The layer that covers our planet is called the atmosphere. It is a layer of air that allows us to breathe and keeps the Earth from freezing over as it traps the sun's heat. Exciting, isn't it? Here are the top 5 things to know about the layers of the atmosphere.

Discover four things you need to know about the box turtle.

Top 4 inventions by young people.

Top 5 on Mexico City.

Here is the best way to turn potatoes into batteries!

Air is made up of particles, mainly oxygen and nitrogen. Just because you can't see them doesn't mean they aren't there. These particles have weight and they push on things and people. Air has weight, but it's a little more subtle. Here are the top 3 experiments that prove air weighs something!

Discover three facts about the Brazilian possum.

Top 3 true or false facts about the influence of food on our bodies.

Do you know how to build an electric motor? Here is a top electrifying experiment to help you build your own electric motor.

Discover the five biggest herbivorous dinosaurs.

Discover four facts about Venus.

Everyone to the shelters! Here are the top 5 most dangerous volcanoes.

Do you know what inertia means? It's a scientific principle. Here are the top 3 experiments on inertia!

Top 4 on the African grey parrot.

Discover five facts about Paris.