Science 8 Geology Exam Review

Principle stating that sedimentary rocks are deposited in horizontal or nearly horizontal layers.

• Relative Age Dating

• Superposition

• Original Horizontality

• Cross Cutting Relationships

The outermost and thinnest layer of the earth is the _______.

• mantle

• crust

• magma

• core

The study of how Earth's lithospheric plates interact is called __________.

• weathering

• earth quakes

• bedrock

• plate tectonics

Which layer formed first?

• Rock Layer W
• Rock Layer X
• Rock Layer Y
• Rock Layer Z

The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?

• Fossil A and C are the same age
  
• Fossil B is older than fossil C
• Fossils A is older than fossil B
• Fossil D is older than fossil C

Which is the youngest layer?

• Rock Layer W

• Rock Layer X

• Rock Layer Y

• Rock Layer Z

Does this diagram show evidence of earthquake activity in this area?

• Yes because the strata are all straight

• Yes because more than one layer is seen

• No because the strata are all straight

• No because more than one layer is seen

When rock layers are found at an angle to their original formation, as shown in the picture, we call this

• folding
• tilting

When rock layers get warped or bent as a result of compression we call this 

• tilting
• folding

Tectonic plates can exert pressure on rock layers that causes the layers to break forming a 

• focus
• epicenter
• fault
• monocline