earth layers

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earth

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Outer most thinnest layer of earth? : 

Outer most thinnest layer of earth?

Slide 2: 

crust

Two kinds of crust? : 

Two kinds of crust?

1. continental2. oceanic : 

1. continental2. oceanic

Describe oceanic and continental crust : 

Describe oceanic and continental crust

Oceaniclies beneath most of ocean floorprimarily made of basaltContinentalmakes up all the land on the continentsit’s thickest in mountainsmade mostly of granite : 

Oceaniclies beneath most of ocean floorprimarily made of basaltContinentalmakes up all the land on the continentsit’s thickest in mountainsmade mostly of granite

Where does continental meet oceanic crust? : 

Where does continental meet oceanic crust?

Continental crust meets oceanic crust under the water : 

Continental crust meets oceanic crust under the water

The cont. crust first dips under water to form? : 

The cont. crust first dips under water to form?

Continental shelf : 

Continental shelf

The edge of continental crust is seen at a deep drop off in the water called? : 

The edge of continental crust is seen at a deep drop off in the water called?

Continental slope : 

Continental slope

At bottom of continental slope is? : 

At bottom of continental slope is?

Continental rise : 

Continental rise

The continental rise is the begging of? : 

The continental rise is the begging of?

Oceanic crust : 

Oceanic crust

What is layer of earth that makes up most of earth’s material? : 

What is layer of earth that makes up most of earth’s material?

mantle : 

mantle

Top of mantle is made up of? : 

Top of mantle is made up of?

Hot rock : 

Hot rock

This hot rock and layer directly above it forms? : 

This hot rock and layer directly above it forms?

lithosphere : 

lithosphere

Deep in the earth the mantle is under high pressure. The temperature is very hot. In this condition the mantle state can be described? : 

Deep in the earth the mantle is under high pressure. The temperature is very hot. In this condition the mantle state can be described?

like liquid : 

like liquid

What kind of currents flow slowly in the mantle – where cooler rock flows down and hotter rock flows up? : 

What kind of currents flow slowly in the mantle – where cooler rock flows down and hotter rock flows up?

Convection currents : 

Convection currents

Lithosphere is located on top or below convection currents in mantle? : 

Lithosphere is located on top or below convection currents in mantle?

On top : 

On top

Very center of the earth is? : 

Very center of the earth is?

Core : 

Core

Core is made up of what kind of rock? : 

Core is made up of what kind of rock?

iron : 

iron

Inner core is solid or liquid?Outer core is solid or liquid? : 

Inner core is solid or liquid?Outer core is solid or liquid?

Inner core is solid outer core is liquid : 

Inner core is solid outer core is liquid

Instrument that measures vibration : 

Instrument that measures vibration

seismograph : 

seismograph

Liquid in outer core flows in currents. These currents make the earths what? : 

Liquid in outer core flows in currents. These currents make the earths what?

Magnetic field : 

Magnetic field

True or falsescientist can go to earth’s mantle or core? : 

True or falsescientist can go to earth’s mantle or core?

False : 

False

Explain how scientist can study mantle? : 

Explain how scientist can study mantle?

1. Mantle is sometimes pushed up through crack in earth.2. Measuring vibrations from earthquakes. Vibrations move slowlythrough liquid layers of earth. 3. lab experiments. Scientist collect rock from deep in earth and test it against heat and pressure : 

1. Mantle is sometimes pushed up through crack in earth.2. Measuring vibrations from earthquakes. Vibrations move slowlythrough liquid layers of earth. 3. lab experiments. Scientist collect rock from deep in earth and test it against heat and pressure

Explain how earthquake vibrations can be used to study earth layers? : 

Explain how earthquake vibrations can be used to study earth layers?

Some earthquake vibrations go through all layers of earth. They change speed and direction depending on what layer they are going though.The outer core is liquid and stops some vibrations. By studying vibration scientist can learn what depth the layers are. : 

Some earthquake vibrations go through all layers of earth. They change speed and direction depending on what layer they are going though.The outer core is liquid and stops some vibrations. By studying vibration scientist can learn what depth the layers are.

Lithosphere is thin shell made up of? : 

Lithosphere is thin shell made up of?

plates : 

plates

T or flithoscope plate can be bigger than a continent : 

T or flithoscope plate can be bigger than a continent

true : 

true

T or fa plate may include ocean floor : 

T or fa plate may include ocean floor

true : 

true

T or fA plate cannot include ocean floor and continent : 

T or fA plate cannot include ocean floor and continent

false : 

false

Plates can form ? on earths surface : 

Plates can form ? on earths surface

Mountains and valleys : 

Mountains and valleys

Plates move slow or fast? : 

Plates move slow or fast?

Bothsometimes slow and sometimes fast fast - like in an earthquake. : 

Bothsometimes slow and sometimes fast fast - like in an earthquake.

When there is earthquake and plates move and mountain forms, what canbe created? : 

When there is earthquake and plates move and mountain forms, what canbe created?

volcano : 

volcano

Edge of plates called? : 

Edge of plates called?

Plate boundaries : 

Plate boundaries

What spreading plate boundary is under the atlantic ocean? : 

What spreading plate boundary is under the atlantic ocean?

Mid atlantic ridge : 

Mid atlantic ridge

What are rift boundaries? : 

What are rift boundaries?

Low area in between two spreading plates : 

Low area in between two spreading plates

Another type of boundary is called? : 

Another type of boundary is called?

sliding : 

sliding

Most earthquakes happen where? : 

Most earthquakes happen where?

At faults.What are faults? : 

At faults.What are faults?

Cracks in earth crust where the surrounding rock has moved or shifted. : 

Cracks in earth crust where the surrounding rock has moved or shifted.

Earthquakes most often occur at faults that are along what? : 

Earthquakes most often occur at faults that are along what?

Plate boundaries. What happens at plate boundaries that cause earthquakes? : 

Plate boundaries. What happens at plate boundaries that cause earthquakes?

* plates get “hung up” instead of moving smoothly * they then lock in place and eventually have to jerk in new position.* this movement is the vibration that people feel during earthquake. : 

* plates get “hung up” instead of moving smoothly * they then lock in place and eventually have to jerk in new position.* this movement is the vibration that people feel during earthquake.

Plate movement usually happen far below ground. The place where the plates start to slip is called? : 

Plate movement usually happen far below ground. The place where the plates start to slip is called?

Focusthe place of earth’s surface above a focus is called : 

Focusthe place of earth’s surface above a focus is called

epicenter : 

epicenter

Earthquakes can cause another natural disaster? : 

Earthquakes can cause another natural disaster?

Landslidesdescribe a landslide? : 

Landslidesdescribe a landslide?

Large amounts of rock moving downward. : 

Large amounts of rock moving downward.

True or falselandscapes are only caused from earthquakes. : 

True or falselandscapes are only caused from earthquakes.

Falselandslides can happen for other reasons too : 

Falselandslides can happen for other reasons too

Most injuries from earthquakes happen because? : 

Most injuries from earthquakes happen because?

Building become damaged.How are building being made to help this? : 

Building become damaged.How are building being made to help this?

Made more flexible so they can swing with earthquake and made out of steel to make stronger. : 

Made more flexible so they can swing with earthquake and made out of steel to make stronger.

Most volcanoes form near ? – ? plate boundary? : 

Most volcanoes form near ? – ? plate boundary?

Colliding plate boundaries? : 

Colliding plate boundaries?

When one plate moves below another plate rock partially melts to make ?What can happen to this rock that makes a volcano? : 

When one plate moves below another plate rock partially melts to make ?What can happen to this rock that makes a volcano?

Magnasometimes magna is forced to surface through a weak spot in earth’s surface. : 

Magnasometimes magna is forced to surface through a weak spot in earth’s surface.

What comes out of volcanoes? : 

What comes out of volcanoes?

1.Lava2. gases - water vapors and carbon dioxide : 

1.Lava2. gases - water vapors and carbon dioxide

Sometimes trapped gasses can push lava high into the air. Once mix with air lava cools and forms? : 

Sometimes trapped gasses can push lava high into the air. Once mix with air lava cools and forms?

Ash or rocks : 

Ash or rocks

T or fvolcanoes can form on ocean floors : 

T or fvolcanoes can form on ocean floors

true : 

true

How volcanic island forms on ocean floor : 

How volcanic island forms on ocean floor

Volcano reaches the surface of water. : 

Volcano reaches the surface of water.

What state in US is formed from volcanic islands? : 

What state in US is formed from volcanic islands?

Hawaii : 

Hawaii

If a volcano is not active, it’s crater can fill with rain to fill? : 

If a volcano is not active, it’s crater can fill with rain to fill?

lake : 

lake

Lava flows out of volcano from a hole called : 

Lava flows out of volcano from a hole called

vent : 

vent

Top or main vent of volcano is called : 

Top or main vent of volcano is called

Crater. : 

Crater.