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Unit 1B Lesson 4

Continental Drift Quiz

QuestionAnswer
What is the Theory of Continental Drift? The Theory that Earth's continents were once joined together in a single land mass called Pangaea
What types of evidence were used to support the theory of continental drift? 1. Land features such as mountain ranges and coal fields. 2. Fossils 3. Geological evidence of climate change
Why was the theory of continental drift not accepted at first? Geologists at the time could not provide a satisfactory explanation for the force that moves the continents.
What land features provided evidence for continental drift? Mountain ranges on the continents of Africa and South America match up
What fossil evidence was used to provide evidence for continental drift? 1. Mesosaurus fossils found in southern Africa and eastern South America 2. Glossopteris fossils found in Africa, South America Australia, India, and Antarctica
Name three different types of rocks? Metamorphic, Igneous, and Sedimentary
Which type of rock is formed by layers of sediment under pressure? Sedimentary rock
Which type of rock is formed by the intense pressure and heat beneath Earth's crust? Metamorphic rock
Which type of rock is formed when magma cools and solidifies? Igneous rock
What is fracture? When minerals shatter into smaller fragments
What is cleavage? When minerals split along a smooth or flat surface
What is the Mohs Hardness Scale? A scale used in testing the hardness of minerals. It ranks minerals 1 to 10 from the softest to the hardest.
What forms when rocks are eroded and weathered? Sediment
Created by: scanto
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