Volcanoes

Objective: After viewing this lesson, students should be able to identify a

volcano and describe its characteristics.

What is a Volcano?

A volcano is a landform, usually a

mountain, that erupts through the surface of

a planet.

Click Here if Finished

What Do you Know

Types of Eruptions

Structure of a Volcano

MENUMENU

Volcano StructureVolcano Structure

There are three major volcano There are three major volcano structures:structures:

–ScoriaScoria–ShieldShield–StratoStrato

SCORIA VOLCANOSCORIA VOLCANO

The scoria volcano is the most popular The scoria volcano is the most popular volcano.volcano.

It has straight sides with steep slopes It has straight sides with steep slopes and a large summit craterand a large summit crater

Scoria’s are also known as Scoria’s are also known as cinder cinder conescones

They are the smallest type, with They are the smallest type, with heights generally less than 300 meters. heights generally less than 300 meters.

SHIELD VOLCANOSHIELD VOLCANO

Shield volcanoes are generated by Shield volcanoes are generated by Hawaiian eruptionsHawaiian eruptions. However, there is . However, there is some variability in their eruptive style some variability in their eruptive style and sizeand size..

STRATO VOLCANOSTRATO VOLCANO

Stratovolcanoes, also known as Stratovolcanoes, also known as composite conescomposite cones When volcanoes are drawn, these are the most popular.When volcanoes are drawn, these are the most popular. The Strato is the most deadly of the volcano types. The Strato is the most deadly of the volcano types. Their lower slopes are gentle, but they rise steeply near Their lower slopes are gentle, but they rise steeply near

the summit to produce an overall morphology that is the summit to produce an overall morphology that is concave in an upward direction.concave in an upward direction.

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What Do you KnowWhat Do you Know

Which volcano is known as a Which volcano is known as a Composite Cone?Composite Cone?

A- Strato

C- Scoria

B- Shield

DRILL IT DRILL IT BABY!!BABY!!

NEXT

You are The You are The Best!Best!

NEXT

Let’s Stop and Think!Let’s Stop and Think!

TRY AGAIN

Which volcano is known as a Which volcano is known as a Cinder Cone?Cinder Cone?

A- Strato

C- Scoria

B- Shield

Let’s Stop and Think!Let’s Stop and Think!

TRY AGAIN

Types of EruptionsTypes of Eruptions

There are Six Types of There are Six Types of EruptionsEruptions

• FISSURE  

• HAWAIIAN

• STROMBOLIAN  

• VULCANIAN  

• PLINIAN  

• HYDROVOLCANIC

How does a volcano erupt?How does a volcano erupt?

Click on the volcano below and watch what happens when a volcano erupts.

Congratulations!Congratulations!

You have completed your lesson on volcanoes. Be You have completed your lesson on volcanoes. Be sure to tell your family and classmates what a sure to tell your family and classmates what a

wonderful job you have done! Keep up the wonderful job you have done! Keep up the GOOD WORK!GOOD WORK!

Now let’s take a trip to Hawaii. Now let’s take a trip to Hawaii. Click here to learn more about volcanoesClick here to learn more about volcanoes

Slide show created by: Slide show created by: La’Tausha Daniels-RogersLa’Tausha Daniels-Rogers