Volcanoes

Volcanoes 1. Describe the 3 components of magma. __GiVe some detail about each. 2. What does silicate mean? 3. What does it mean when silicates polymerize? 4. What is the most important gas in magma? What is the second most important gas in magma? (the greenhouse gas) 5. Complete the following table from the Volcano notes. (Note on test rhyolite and basalt may be reversed their position.) basalt andesite rhyolite Silica Temperature Dissolved gases Viscosity Define viscosity: 6. What are 2 locations on a volcano Where lava can erupt from? 7. Why do volcanic rocks have a “fine texture” which means that the individual mineral grains are not usually visible without a microscope? (Hint: where does lava cool?) 8. What does pyroclastic mean? PLACE THIS ORDER OR A SIMILAR ORDER WITH US TODAY AND GET AN AMAZING DISCOUNT :)