CHP 2 QUIZ 2

Pressures generally build up slowly inside the Earth and are then released in sudden events such as volcanic eruptions and ___________________.   

• earthquakes
• rainstorms
• tornadoes
• hurricanes

The outer layer is the ___________________, a hard rocky shell forming the Earth’s surface.  

• Core

• Mantle
• Crust

• Atmosphere

The Earth is composed of ___________________main layers – the core, the mantle, and the crust. 

• 4

• 3

• 2
• 5

Next to the outer core is a thick layer of hot, dense rock called the ___________________.  

• Lantern

• Crust
• Mantle

• Atmosphere

Many scientists believe that most of the land masses forming our present day continents were once part of one gigantic supercontinent called ___________________.  

• Eurasia

• Gondwana
• Laurasia
• Pangea

Whatever their actions, plates are constantly changing the face of the planet.  They push up ___________________, create volcanoes, and produce earthquakes.  

• mountains
• oceans
• forests
• deserts

Mountains are formed where the giant plates collide.  In some places ___________________plates collide with each other.  

• oceanic

• continental

• silver

• wooden

The heavier oceanic plate dives beneath the lighter continental plate in a process called ___________________.  

• Sea floor Spreading

• Convection
• Plate Tectonics
• Subduction

During ___________________pieces of the Earth’s crust come together slowly as the oceanic plate slides under the continental plate at a shallow angle.  

• Accretion

• Erosion
• Sedimentation
• Weathering

At the very center of the planet is a super hot but solid inner ___________________.  

• crust

• atmosphere
• core

• mantle