Earth Systems 1st Semester Exam 24/25

How many layers does the Earth have?

• 2

• 3

• 4

What is another name for the crust?

• asthenosphere

• atmosphere

• lithosphere

Which of Earth's layers is in liquid form?

• mantle

• outer core

• crust

Which of Earth's layers is the hottest?

• outer core

• inner core

• crust

On which of Earth's layers will you find living things?

• mantle

• outer core

• crust

Which layer of the Earth is located above the outer core?

• mantle

• inner core

• crust
  

Why is the inner core a solid?

• it's not, it's a gas

• Because it is so cold

• Because of extreme pressure
  

Who came up with the theory of "continental drift"?

• Alfred Wegener

• Isaac Newton

• Albert Einstein

What causes tectonic plates to move?

• heat from inside the Earth

• earthquakes

• volcanoes

Name for the single land mass that broke apart 200 million years ago to create the 7 continents.

• Continental Mass

• Panorama

• Pangea