thermal characteristics (temperature changes), chemical composition, movement, and density. Each of the layers are bounded by "pauses" where the greatest changes in thermal characteristics, chemical ...

There is more to Earth than what we can see on the surface. Both the exterior and interior regions of the planet are made up of many layers with various properties. These layers are formed because of ...

The Earth has five oceans, right? There’s the Atlantic, Pacific, Indian, Arctic, and Southern Oceans. Even the Southern Ocean is relatively new so you may have learned that Earth only has four. But ...