1. What are volcanoes? How many active volcanoes in the world? Over 600 What is the world’s most active volcano? Vocab words: Vent Magma chamber Crater lava 2. Why does…

Slide 1Chapter 8: Rocks and Minerals Section 2: Rocks Section 3: Rock Cycle Slide 2 1. A rock is composed of two or more minerals. There are many different kinds of rock…

Slide 1Lets Review… Copy in Notebook and Answer: –Compare and contrast magma and lava. –What plate boundaries will result in formation of a volcano? Slide 2 Magma What…

1. Where do volcanoes occur? They often occur when Earth’s tectonic plates: Move apart – divergent boundary Move towards each other – convergent boundary At “Hot…

1. Rocks 2. There are three categories of rocks Igneous rocksSedimentary rocks Metamorphic rocks 3. Igneous Rock 4. Vocabulary_________- molten rock beneath the earth’s…

1. Rocks 2. There are three categories of rocks Igneous rocksSedimentary rocks Metamorphic rocks 3. Igneous Rock 4. Vocabulary_________- molten rock beneath the earth’s…

Slide 1 Minerals, Rocks and the Rock Cycle Slide 2 What is a mineral? Occurs naturally Is a solid Definite chemical composition Atoms arranged in orderly pattern Slide 3…

Slide 1 Geology of Plutonic Rocks Slide 2 Igneous plutonic rocks Formed – –900 degree C –50 km depth Uplift to earth surface Enormous decrease in confining pressure…

Slide 1 Igneous Rock 12/1/14 4-2 pgs. 87-90 IN: Explain, using words and pictures, how rocks form. Slide 2 sedimentary rock sediment magma cooling, crystallization weathering…

Gravity: Oceanic lithosphere thickens as it moves away from a spreading centre and cools, a configuration which might tend to induce plates to slide under the force of gravity,…