Timeline of Life on Earth
(Science 7) Beginning 5 billion years ago
A Toiletpaper Timeline
(Science 7) Make your own timeline!
The North Pole
(Science 7) There are two of them. One is moving!
The Aurora Borealis
The Northern Lights
Antarctica
Lots of things happening there!
Continental Drift
(Science 7) The science of plate tectonics
Tides
What causes them?
Weather Fronts
What causes storms
Build Your Own Weather Instruments
Simple plans for an anemometer, hygrometer, and barometer
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Earth's Atmosphere
All the layers
Climate Change
It's happening now
Hail
What causes it?
Lightning
The shocking truth!
Air
All about air
Water
The many reasons it allows us to be here
Clouds
What are they?
Volcanoes
(Science 7) Lots of explosive information here
Tornadoes
What causes them, and how big they can get
Hurricanes
Learn about Atlantic hurricanes
Inside the Earth
(Science 7)
The Rock Cycle
(Science 7)
The Carbon Cycle
(Science 10)
The Water Cycle
(Science 7) With pictures
The Nitrogen Cycle
Atmospheric nitrogen made useful
Sedimentary Rocks
(Science 7) The visible crust of Earth
Igneous Rocks
(Science 7) Born in fire
Metamorphic Rocks
(Science 7) Make a simple example
Geodes
(Science 7) Crystals inside rocks
The Marianas Trench
(Science 7) The deepest ocean
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