Earth and Space Final Exam semester 1

The outside layer of the Earth is called _____________.

• Core

• Mantle

• Crust

• Outer Core

The age of the Earth is about...

• 4.6 billion years old

• 4.6 million years old

• 13.8 million years old

• 13.8 billion years old

Which of the following is NOT a main classification of rock?

• Magma

• Igneous

• Metamorphic

• Sedimentary

What were the first two elements to form?

• Hydrogen and Helium

• Hydrogen and Carbon

• Oxygen and Helium

• Carbon and oxygen