Activity 1.1 Layers of the Earth

Which of the following is NOT a boundary between the three layers of the Earth?

• Heisenberg Discontinuity

• Lehmann Discontinuity

• Mohorovicic Discontinuity

Which is the thinnest layer of the Earth where life is found?

• Core

• Crust

• Mantle

Which type of crust is made of Granitic rock and is found under landmasses?

• Continental

• Oceanic

• Pacific

Which layer of the Earth is responsible for the Earth's magnetic characteristics?

• Outer Core

• Mantle

• Inner Core

Which layer of the Earth is made up of the crust and the mantle?

• Asthenosphere

• Stratosphere

• Lithosphere

Which of the following is the only liquid layer of the Earth?

• Mantle

• Outer Core

• Inner Core

Which of the following is the hottest layer of the Earth?

• Inner Core

• Mantle

• Crust

Which phenomenon in the Asthenosphere causes hotter rocks to move up and cooler rocks to move down causing continuous movement of magma?

• Earthquake

• Convection Current

• Friction

What do we call the major and minor blocks that make up the lithosphere?

• boundaries

• layers

• plates

Which model of the Earth divides its layers based on their movement?

• Chemical

• Physical

• Mechanical