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