Rock Layers and Fossils practice

The statement that the oldest layer will be at the bottom in an undisturbed sequence of rock layers is called the Principle of ....

• Inclusions
• Unconformities
• Cross-Cutting Relationships
• Superposition

Relative age dating is used to determine the...

• actual age of an event
• length of time between two events
• age of one event in comparison with other events
• rate at which a gologic process occurs

The Law of Superposition states

• Younger rocks layers are on top of older rock layers

• Older rock layers are on top of younger rock layers

Tags

NGSS.MS-ESS1-4

Use relative age dating to put the rock layers in correct order from oldest to youngest.

• B, D, A, E, C

• C, E, D, A, B

• A, C, E, D, B

• C, E, D, B, A

Tags

NGSS.MS-ESS1-4

Which is the youngest rock layer?

• Siltstone

• Conglomerate

• Mudstone

• Limestone

Tags

NGSS.MS-ESS1-4

Organisms that are no longer found alive on Earth

• fossils

• extinct

• rock layers

• natural resources

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

In which type of rock are most fossils found?

• sedimentary rock

• metamorphic rock

• igneous rock

• fossils

Where can the oldest layer of sedimentary rock be found?

• The top layer

• The middle layer

• They are all the same age

• The bottom layer

Tags

NGSS.MS-ESS1-4

The layers in the canyon's sedimentary rock were most likely exposed by ​​ (a)  

• moving water
• volcanic eruptions
• earthquakes
• scorching sun

Answer explanation

Canyon layers are exposed by rivers carving into the rock.

Tags

NGSS.MS-ESS2-2

A break in the Earth's crust 

• fault 
• mountain
• plate
• fossil 

Tags

NGSS.MS-ESS2-2