The boundary between the two lies about 465 miles (750 kilometers) beneath the Earth's surface. The crust is the outermost layer of the Earth. It is the familiar landscape on which we live ...

Get Instant Summarized Text (Gist) Earth's first crust, formed around 4.5 billion years ago, likely had chemical features similar to today's continental crust, suggesting that the distinctive ...

Beyond the outer core lies the mantle, a 1,800-mile-thick layer of viscous molten rock on which Earth's outermost layer, the crust, rests. On land, the continental crust is an average of 19 miles ...

The Earth is made up of different layers: Therefore, instead of tectonic plates moving because of the convection currents, evidence suggests it is the plates that drive the convection. Slab pull ...

Some of these questions are easy enough for kids to answer ... mantle and crust. What about this one: What percentage of the Earth’s surface is covered in water? The answer is 71 %.

Researchers discover Earth's first crust, formed 4.5 billion years ago, had chemical features similar to modern continental crust. (photo credit: Tanya Kalian. Via Shutterstock) A study published ...