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Presentation transcript:

2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Definitions Know It All Facts Layers of the Earth Formation Potpourri

Underwater eruptions form what type of lava?

Pillow Lava

The sliding of one plate under another?

Subduction

Circular movement of material due to temperature is…

Convection Currents

They make up part of the crust and the upper mantle?

Plates

Another name for magma when it breaks through the mantle.

Lava

Where are most volcanoes found?

Ring of Fire

How are most volcanoes formed?

When plates collide.

What will happen if a plate moves and the hot spot stays put?

A new volcano will form

About how many volcanoes are there in the world?

Around 500

How many volcanoes are on the Ring of Fire?

About 300

How many layers are there in the Earth?

Four layers

Starting from the top. What is the layer we live on?

Crust

Where is most magma found?

Mantle

What are the four layers?

Crust, Mantle, Outer Core, and the Inner Core

What is the hottest layer in the Earth?

Inner Core

Volcanoes need __________ + Heat to make the magma rise

Pressure

A full ballon represented what part of a volcano?

Magma Chamber

When volcanoes erupt they can form?

Islands

Other than islands when volcanoes erupt they can form?

Underwater Ridges

As magma is heated it?

Rises

Magma rises in the mantle because of?

Convection currents

In order for lava to come out of the top of a volcano it must go through the?

Central Vent

This layer contains melted iron and nickel? (very hot)

Outer Core

Over time _________ _____ will eventually create an island, mountain, and rock.

Hardened lava

What is the largest volcano in Japan?

Mount Fuji