The Geosphere

What is the outermost layer of the Earth?

• Outer core

• Inner core

• Mantle

• Crust

How thick is the crust?

• 5-100km

• 5-2000km

• 3200km

• 1-20km

What type of crust is the thickest?

• ocean

• continental

What is the thickest layer of the Earth?

• crust

• mantle

• outer core

• inner core

Which layer of the core is mostly liquid?

• inner core

• outer core

Large chunks of the Earth's crust are called...

• mountains

• flats

• plates

• volcanoes

What is caused when the tectonic plates slip?

• thunderstorms

• hurricanes

• tornadoes

• earthquakes

Which continent doesn't have active volcanoes?

• Africa

• Antartica

• Australia

• America

On which layer can we find the tectonic plates?

• Lithosphere

• Asthenosphere

• Lower Mantle

• Upper Mantle

Are the same waves that travel through Earth's interior during an earthquake.

• Sound

• Water

• Seismic

• Infrared