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Minerals and Rocks as Resources — Reading Comprehension

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MS-ESS3-1
MS-ESS3-4

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This middle school science passage, aligned to NGSS standards MS-ESS3-1 and MS-ESS3-4, explores the critical role that minerals and rocks play as resources in our society. Students will learn how minerals are classified into categories such as ores, gemstones, building materials, and industrial minerals. The passage explains mining methods, including surface, underground, and solution mining, and delves into the environmental impacts like habitat destruction and water pollution. It highlights the importance of sustainability through recycling and responsible mining practices. Key science vocabulary is defined in context, and students are encouraged to think about cause-and-effect relationships within natural resource systems. The passage is supported by audio integration, Spanish translation, differentiation for struggling readers, multiple-choice and writing activities, and graphic organizers to enhance comprehension and critical thinking. This resource is ideal for grades 6-8 as part of a comprehensive Earth science or environmental science curriculum.

CONTENT PREVIEW

Iron ores Bayog ZDS — iron ore is processed to make steel, which is used in construction and transportation.
Wikimedia Commons (Public domain).

Minerals and rocks are the foundation of many everyday products and technologies. From the steel in buildings to the glass in smartphones, these natural resources shape modern life. The process of extracting and using minerals and rocks involves complex systems that connect Earth’s geology with human needs. Understanding these connections helps explain why minerals and rocks are so valuable—and why managing them responsibly is important for the future.

How Are Minerals and Rocks Used?
Minerals are naturally occurring, inorganic solids with a definite chemical composition and crystal structure. Rocks are solid mixtures of minerals. Certain minerals, called ore minerals, are mined because they contain valuable elements, such as iron, copper, or gold. For example, iron ore is processed to make steel, which is used in construction and transportation. Copper ore provides copper for electrical wiring and electronics. Gold ore is refined for coins, jewelry, and electronics. Some minerals form as gemstones, like diamonds, rubies, and emeralds, prized for their beauty. Other rocks, such as granite, marble, limestone, sandstone, and slate, are used as building materials. Industrial minerals like quartz (used in glass), gypsum (used in drywall), and halite (rock salt) are essential for manufacturing.

Mining Methods and Environmental Impacts
To access these resources, people use different mining methods. Surface mining removes material from the Earth’s surface, making it efficient for shallow deposits. Underground mining is used for deeper deposits but is more dangerous and expensive. Solution mining involves dissolving minerals in liquid, then pumping the solution to the surface. Mining produces large amounts of waste and can cause habitat destruction, soil erosion, and water pollution. For instance, toxic chemicals from mining may contaminate rivers and groundwater. Globally, mining activities affect millions of square kilometers and contribute to environmental challenges.

Sustainable Use and Responsible Practices
Because minerals and rocks are nonrenewable resources, it is essential to use them wisely. Sustainable practices include recycling metals, such as aluminum and copper, to reduce the need for new mining. Responsible mining involves minimizing waste, protecting habitats, and restoring land after mining ends (a process called remediation). Governments and companies work together to create regulations that lower environmental risks. Scientists also develop new technologies to use minerals more efficiently and find alternatives to scarce resources. Managing minerals and rocks responsibly is crucial for protecting ecosystems and ensuring resources for future generations.

Understanding the roles of minerals and rocks in society connects Earth science with economics, technology, and environmental stewardship. By examining these systems, scientists and citizens can make informed decisions about resource use and sustainability.

Interesting Fact:
The world’s largest open-pit mine, the Bingham Canyon Mine in Utah, USA, is over 1,200 meters deep and can be seen from space!

Which of the following is considered an ore mineral?

Iron oreGraniteSlateGypsum

What is the main use of quartz mentioned in the passage?

Making jewelryGlass manufacturingBuilding highwaysProducing coins

Which mining method is best for shallow deposits?

Surface miningUnderground miningSolution miningAll of the above

What is one environmental impact of mining described in the passage?

Air pollution onlyHabitat destructionEarthquakesClimate change

What does the term 'remediation' mean as used in the passage?

Restoring land after miningMining deeper undergroundFinding new mineralsPolishing gemstones

In the passage, what is the purpose of sustainable practices?