Flashcard on Rocks

Front

Which sphere is described as a big blanket of air?

Back

Atmosphere

Front

What does the biosphere include?

Back

Organisms

Front

What is the thickness range of the Earth's crust?

Back

3 to 25 miles

Front

What materials mostly make up the Earth's crust?

Back

Solid and rocky materials like granite

Front

How thick is the Earth's mantle?

Back

1,800 miles

Front

Which layer of the Earth is liquid?

Back

Outer Core

Front

What activity would be useful to learn about rocks?

Back

Create a rock collection

Front

Earth's crust is part of which sphere?

Back

geosphere

Front

Formed by heat and pressure

Back

Metamorphic