RAP 1. coolest layer of the Earth (Earth’s layers) 2._ three types of volcanoes (types of volcanoes) 3.___instrument that is located at or near Earth’s.

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Presentation transcript:

RAP 1. __ coolest layer of the Earth (Earth’s layers) 2.___ three types of volcanoes (types of volcanoes) 3.___instrument that is located at or near Earth’s surface to record seismic waves (earthquakes)

Key Questions Magma 1. Where does magma form? 2. How does magma form? 3. How does magma move? 4.What is a crater? 5.What is a caldera?

1 Magma forms below Earth’s surface in the lower crust and upper mantle. 1 Magma forms below Earth’s surface in the lower crust and upper mantle. 2. Magma forms when there is high temperature and low pressure. 2. Magma forms when there is high temperature and low pressure. 3. Magma moves when it is less dense than surrounding rock. 3. Magma moves when it is less dense than surrounding rock. 4. Crater-funnel shaped pit at the top of the volcano caused from volcanic explosions 4. Crater-funnel shaped pit at the top of the volcano caused from volcanic explosions 5. Caldera-a circular depression that forms when a magma chamber empties and causes the ground above it to sink 5. Caldera-a circular depression that forms when a magma chamber empties and causes the ground above it to sink

Words for Fill a Volcano Worksheet pg (old) Caldera Cinder Cone Caldera Cinder Cone Crater Composite Crater Composite Lava Shield Lava Shield Magma Vents Magma Vents Pyroclastic Rift Pyroclastic Rift island island

Varieties of Volcanoes Worksheet 1. Write the bulleted fact in the box under the volcano it describes 1. Write the bulleted fact in the box under the volcano it describes 2. Use page 47/48 Types of Volcanoes 2. Use page 47/48 Types of Volcanoes