Natural Science CLEP Prep Practice Exam

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Prepare for the Natural Science CLEP Exam with comprehensive quizzes and multiple choice questions. Each question includes hints and explanations to help you succeed. Ace your exam!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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What type of rock is formed when molten material cools and solidifies?

Sedimentary
Metamorphic
Magma
Igneous

The correct answer is: Igneous

When molten material, also known as magma, cools and solidifies, it forms an igneous rock. Sedimentary rocks are formed through the accumulation and compression of sediments, while metamorphic rocks are formed from the alteration of existing rocks due to extreme heat and pressure. Therefore, options A and B are incorrect. Option C, magma, is the molten material itself and not the type of rock that is formed when it cools. Therefore, option D, igneous, is the correct answer.