Earth's Layers
Layer Details
Earth's Plates
Rock Dating Principles
Because I can...

100

What is the lowest layer of Earth's atmosphere?

Troposphere

100

Which type of crust is the most dense?

oceanic

100

When two plates separate from each other, what type of boundary is this?

divergent

100

This principle says we can use fossil evidence to help us date rock layers.

faunal succession

100

Name three colleges in the Des Moines metro area

Drake, Grandview, DMACC, Faith Baptist Bible College

200

The upper mantle and crust have another common name....which is....

Lithosphere

200

Plate tectonics is driven by...

mantle convection

200

When two plate collide what type of boundary is this?

convergent

200

The principle of superposition is....

the idea that older layers are below younger layers.

200

Who won the NCAA basketball championship in 2008?

Kansas..........

300

Another name for the mantle

Asthenosphere

300

The thinnest layer of the Earth is the...

crust

300

When earthquakes occur due to plates grinding against each other, this type of boundary is...

transform

300

The principle of horizontality works only with this type of rock...

sedimentary

300

What was the last year that Iowa State made the NCAA sweet 16?

2015-16 (lost to Virginia)

400

The state of matter for the inner core is...

solid

400

The mid-atlantic ridge has formed at what type of boundary?

divergent

400

What plate do we live on?

North American Plate

400

When a metamorphic rock lies on the same level on another form of rock what principle/idea take precedent?

The metamorphic rock is older

400

What two other science classes does Mr. Dose teach at North Polk?

Physical Science 2 and Environmental Science

500

The state of matter for the outer core is...

Liquid

500

What is subduction?

When a dense oceanic plate is pushed underneath continental crust.

500

Just to the west of South America lies what plate?

Nazca Plate

500

What is the principle of inclusion?

The inclusion (chunk of rock) is always older than the layers it is in.

500

What are the mascots of Grandview University and Drake University?

Vikings and Bulldogs