ENV SCI Chapter 3- Dynamic Earth

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 is the thickest layer of the Earth?

• crust
• mantle
• outer core
• inner core

What is caused when the tectonic plates slip?

• thunderstorms
• hurricanes
• tornadoes
• earthquakes

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

Extends from the center of the core to the surface of the crust.

• Geosphere
• Atmosphere
• Hydrosphere
• Biosphere

The measure of the energy released by an earthquake is called ____________________.

• Magnitude
• Seismic Waves
• Force
• Vectors

Tsunamis are caused by

• underwater disturbances such as earthquakes, landslides, and volcanoes.

• wind and the gravitational pull of the moon.

Tsunamis can be

• as high as 100 feet.

• as high as 2 feet.

• as high as 1,000 feet.

• as high as 10,000 feet.