Extreme Earth

Earthquakes involve the powerful movement of rocks in the Earth’s ______.

• inner core

• outer core

• crust

• surface

Which ofthese natural disasters is a period of unusually low rainfall? 

• drought

• flood

• earthquake

• hurricane

 Earth's outer layer is made up of large, moving pieces called tectonic _____?

• bowls

• plates

• chunks

• sections

Which natural disaster is a sudden and violent shaking of the ground caused by movements within the earth's crust?

• tornado

• earthquake

• flood

• tsunami

Tectonic plates are always moving.

• true

• false

The Ring of Fire is a region around much of the ________ Ocean. 

• Atlantic

• Pacific

• Indian

• Artic

________ can be formed when two tectonic plates collide.

• Lakes

• Oceans

• Mountains

• Storms

A Richter Scale is a device that measures the _______  of an earthquake.

• width

• area

• magnitude

• death

The _______ is the hottest part of the Earth, and, at over 5000 degrees Celsius, is about as hot as the surface of the sun.

• outer core

• mantle

• inner core

• crust

A volcano that hasn’t erupted in the last 10,000 years but can still erupt is known as a _______ volcano.

• active

• extinct

• dormant

• calm