Earth's Layers Science Quiz

What is the thinnest and least dense layer of Earth?

• Crust

• Basalt

• Outer core

• Inner core

What are the 2 types of crust?

• 1.Lithosphere

  2.Asthenosphere

• 1.Continental crust

  2.Oceanic crust

• 1.Mantle

  2.Oceanic crust

What type of rock is the oceanic crust primarily made of?

• Mantle

• Tectonic plates

• Basalt

What type of rock the continental crust primarily made of?

• Basalt

• Granite

• Oceanic crust

What is the thickest layer of the Earth?

• Inner core

• Outer core

• Mantle

• Crust

Wich type of crust is thinner but is dense?

• Oceanic

• Continental

• Granite

What layer include the tectonic plates?

• Crust or Lithosphere

• Asthenosphere

• Lower Mantle

What two layers include convection currents?

• 1.Lower mantle

  2.Athenosphere

• 1.Outer core

  2.Asthenosphere

What causes the tectonic plates to move?

• Earthquacke

• Convection currents

• Tsunami

• Volcanoes

What layer includes the crust and the upper part of the mantle?

• Asthenosphere

• Mantle

• Lithosphere

• Outer core