Inside Earth Crust What is the outermost layer of the Earth?

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Inside Earth

Crust

• What is the outermost layer of the Earth?

Seismic Waves

• When geologists study the Earth’s interior they rely on indirect methods such as _____________?

Mantle

• A layer of hot rock?– A. Crust– B. Inner Core– C. Mantle– D. Outer Core

Increases

• Pressure (Increases or decreases) when you move toward the center of the Earth.

Direct evidence

• Geologists obtain direct evidence about the Earth’s interior by studying _____

a. Looking at the layers of earth

b. Sesimic waves

c. Rock samples

d. Molten metal

Inner core

• What a dense ball of solid metal?– A. Crust – B. Mantle – C. Outer Core– D. Inner Core

Crust, mantle, outer core, inner core

• What are the Earth’s layers? – (starting from the surface)

Recording and Studying Seismic Waves

• Geologists obtain indirect evidence about the Earth’s interior by: – a. Looking at the layers– b. recording and studying Seismic Waves– c. Studying rock samples– D. Going to the earth

Heat Transfer

• When you touch something on the stove, the energy that moves from the stove to your hand is called _______?– A. radiation– B. Conduction– C. Heat Transfer– D. Convection currents

Rock Samples

• When geologists study the Earth’s interior they rely on direct methods such as _____________?

Radiation

• What is the transfer of energy through empty space? – A.Conduction– B. Heat Transfer– C. Radiation– D. Convection Currents

The Sun

• What is an example of radiation?

Convection Currents

• What is the transfer of heat within a fluid?– A.Conduction– B. Heat Transfer– C. Radiation– D. Convection Currents

Mantle

• What is the layer of hot rock called?– A. Inner Core– B. Outer Core– C. Crust– D. Mantle

Fossils

• What are traces of ancient organisms preserved in rocks

Layers

• The Earth’s interior is made up of several ______________

– B. Outer Core– C. Mantle– D. Crust

Outer Core

• Earth’s magnetic field results from movements in the – A. Inner Core– B. Outer Core– C. Mantle– D. Crust

The continents were once joined together in a single landmass

• Alfred Wegener’s hypothesis of continental drift was ______– A. Inner Core is very hot – B. There are many layers of the Earth– C. The continents were once joined

together in a single landmass – D. The earth is shrinking

Pangaea

• The name of the supercontinent that existed millions of years ago is called __________.– A. Continental Drift– B. Pangaea– C. Wegener Drift – D. Conduction

Landforms, fossils, climate

• What type of evidence was used by Alfred Wegener? – (List the three types)

Sonar

• What technology did scientists use to map the mid ocean ridge?– A. Sonar – B. Satellites – C. Submarines – D. Smoke signals