'Lava erupts' presentation slideshows

Volcanoes

Volcanoes. Volcano. Weak spot in the crust where magma comes to the surface. Magma. Molten mixture of rock-forming substances, gases, and water vapor from the mantle. Lava. Magma that reaches the surface. Magma that has surfaced is called what?. Lava. Ring of Fire. Major Volcano Belt

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Eruptions!

458 views • 25 slides

Chp 7.2 Volcanic Eruptions and Features

Chp 7.2 Volcanic Eruptions and Features. What controls volcanic eruptions?. Composition of Magma Based on percentage of silica and oxygen present in the magma. High Silica: Thicker and slower moving. Usually thick and sticky. Viscosity:

455 views • 20 slides

ACTIVITY No. 1 DIRECTIONS:

ACTIVITY No. 1 DIRECTIONS:

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