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Dive into the fascinating world of igneous rocks! This review covers essential concepts such as the formation of igneous rocks from magma and lava, distinguishing between intrusive and extrusive types, and recognizing characteristics like crystal size and texture. Learn about specific examples, including mafic and felsic classifications, and explore how cooling rates affect rock properties. Engage with fun quizzes to test your knowledge. Perfect for geology enthusiasts and students alike!
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1)Igneous rock form from______? • Magma and Solutions • Lava and water • Lava and magma • Solutions and Saltrations
2)An igneous rock that is extrusive with no crystals would be? • Rhyolite • Gabbro • Basalt • Obsidian
3)If you find a rock with big crystals, what can you say about it? • It cooled slowly • It is extrusive • It was made from lava • It smells like rotten eggs
Random Question:Someone says “I’ll be back in a JIFFY.” How long is a Jiffy? • 1/100th of a second • 3.5 seconds • 1/1000000th of a second • 1 second exactly
4) Which of the following rocks would be considered MAFIC? • Granite • Pumice • Rhyolite • Gabbro
5) If a rock is intrusive, what else can you say about it? • It was made from magma • The crystals will be small • It has quartz in it • It cooled quickly
Random Question:What is the only mammal that can’t jump • Platypus • Seal • Elephant • Giraffe
6) Which rock formed from magma • Obsidian • Basalt • Scoria • Granite
7) Another word for intrusive is? • Volcanic • Plutonic • Extrusive • Basaltic
8) Coarse Grained, Fine Grained, glassy and vesicular are all descriptions of _? • Texture • Color • Intrusive Rocks • Volcanic Rocks
Random Question:What is the most common name in the world • John • Bob • Mohammad • Chang
9) What are two extrusive, fine-grained rocks • Gabbro and Granite • Scoria and Pumice • Rhyolite and Obsidian • Basalt and Rhyolite
10) Magma cools _________ because it is ___________. • Quickly, on Earth’s surface • Slowly, on Earth’s surface • Quickly, under the ground • Slowly, under the ground
11) How are granite and rhyolite similar? • Both have large crystals • Both are felsic • Bothe cooled quickly • Both formed from magma
12) Which of the following rocks cools the fastest? • Granite • Rhyolite • Pumice • Basalt
13) All igneaous rocks have crystals? • True • False
Random Question:The opposite sides of a dice always add up to what? • 8 • 7 • 6 • 9
14) Igneous means? • Fire Formed • Hard Rock • Volcano remnant • Magma or Lava
15) If a piece of Granite weighs 32.5 grams, how many milligrams would it weigh? • 3.25 mg • 32,500 mg • 325 mg • .0325 mg
Random Question:What college did Mr. Wirth go to? • Iowa St. University • University of Illinois • University of Iowa • Indiana University
