A compound is a substance that contains two or more elements close elementA pure substance that is made from only one type ... rock that has cooled and solidified. The inside of the Earth is ...

7. Describe that the same behavior happens for many types of rocks. Tell the students that temperature and pressure increase as one goes deeper in the Earth, so that the deeper Earth material ...

Gneiss is a type of metamorphic rock that has been subjected to high temperatures and pressures deep in Earth's crust ... told Live Science at the time. The belt also contains ancient zircons ...

It creates the Earth's magnetic field and is about 1,400 miles (2,300 kilometers) thick. The next layer is the mantle. Many people think of this as lava, but it's actually rock. The rock is so hot ...

Yihe Huang, lead author and U-M associate professor of earth and environmental ... minerals within the rocks are arranged in distinct layers. Their findings, published in Science Advances, suggest ...

Aspiring earth scientists should plan to pursue a four-year degree in this area, he says, and some types ... "Earth science is a really broad field," he explains. "It's not just about rocks ...