GeologyGeology

Test # 1Test # 1

Forces that shape Earth’s surface by building up mountains and landmasses are called___________

• Constructive forces

• A ball of dense solid metal composed primarily of nickel and iron is the Earth’s____________

• inner core

• The place where two plates come together is known as a

• Convergent boundaries

• When Two continental boundaries collide a ______________ is formed

• Mountain

• If you were to study Geology in college you could become a __________

• Geologist

• In a transform boundary plates__________________________

• Slip by one another

• ______________is the term used to describe the sea floor sinking into ocean trenches.

• Subduction

• What is the name of the technology that used sound waves to map the ocean floor?

• Sonar

• The name of the Super Continent

• Pangaea

• Wegner’s theory that the continents have drifted apart is known as

• Theory of Continental Drift

• Sea floor spreading occurs along a ____________ boundary

• Divergent

• Example :Mid Oceanic Ridge

• Forces that wear down land masses are called____________forces

• Destructive forces

• The outer layer of earth is called the ________

• crust

• Continental crust is composed mainly of___________

• Granite

• Oceanic crust is composed mainly of_______

• Basalt

• The Cascade Mountain range occur along a __________________boundary

• Continental/Oceanic convergent boundary

• The lithosphere (plates) float on top of the _________________

• Aesthenosphere

• San Andreas fault is an example of a ______________________boundary

• Transform

• Plates slip by one another

• Temperature and pressure ________ as you go deeper into the Earth

• increase

• In this type of boundary the older denser oceanic crust dives below the oceanic crust, heats up, and melts -- finds a weak spot in the crust resulting in a volcano.

• Oceanic/Oceanic continental crust

• Example Japan

• In this type of boundary the older dense oceanic crust dives below the continental crust. The oceanic crust will melt and push up through a weak spot in the continental crust form a volcano.

• Continental/oceanic convergent boundary

• Example-Cascade Mountains