Earth's Physical and Human Geography Test

What is the outermost layer of the Earth called?

• Mantle
• Crust
• Core
• Lithosphere

The mantle is primarily composed of:

• Liquid metal
• Gas layers
• Solid rock and semi-solid rock
• Molten lava

Which layer of the Earth is liquid?

• Inner core
• Outer core
• Mantle
• Crust

The lithosphere includes:

• The crust and upper mantle
• Only the crust
• The inner core and outer core
• The entire mantle

True or False: The asthenosphere allows tectonic plates to move.

• True
• False

What is the thinnest layer of the Earth's structure?

• Rivers
• Outer core
• Crust
• Inner core

What is the primary composition of the Earth's inner core?

• Solid rock
• Liquid metal
• Solid metal (iron and nickel)
• Gas layers

Fill in the blank: The Earth's crust is divided into _______ and _______ crust. Mark the 2 Correct Answers

• Oceanic
• Mantle
• Continental
• Lithosphere

True or False: Earthquakes occur due to the movement of tectonic plates.

• True
• False

What causes volcanoes to form?

• Cooling of magma deep within Earth's mantle
• Deposition of sediment at river mouths
• Erosion of mountains over time
• Movement of tectonic plates at boundaries and hotspots