Quartz and the Earth's Crust: Order of Ideas

Read about minerals and rocks, then put its ideas in the order the passage gives them.

Story Brief #353

Minerals and rocks are the building blocks of the Earth's crust.

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Minerals and rocks are the building blocks of the Earth's crust. A mineral is a naturally occurring solid substance with a specific chemical composition and structure. For example, quartz is a common mineral made of silicon and oxygen. Rocks, on the other hand, are made up of one or more minerals. There are three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks form from cooled molten rock, like granite.

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Sedimentary rocks, such as sandstone, are created from layers of sediment that have hardened over time. Metamorphic rocks, like marble, are formed when existing rocks are changed by heat and pressure. Understanding minerals and rocks helps us learn about the Earth's history and the processes that shape our planet.

Question 1

1 of 2

Which of these ideas comes first in the passage?

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Question 2

2 of 2

What comes right after this sentence: “Rocks, on the other hand, are made up of one or more minerals.”

How sure are you going to be?😐 maybe

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You got 0 of 2 right.

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Quartz and the Earth's Crust: Order of Ideas

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