MS-ESS3-1: Earth's Resource Formation

MS-ESS3-1

Earth's Resource Formation

Middle School

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Learning Objectives

• Explain how geologic processes cause an uneven distribution of Earth's resources.

• Describe how energy resources like coal and oil form from ancient organic matter.

• Identify how mineral and groundwater resources form in specific locations.

• Differentiate between renewable and non-renewable resources based on formation time.

Key Vocabulary

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Glacier

A glacier is a large body of dense ice that is constantly moving under its own weight.

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Coal

Coal is a combustible black or brownish-black sedimentary rock which is formed from ancient plant remains.

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Hotspot

A hotspot is a stationary area of intense volcanic activity that originates from deep within the Earth.

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Non-renewable Resource

A non-renewable resource is a natural resource that cannot be readily replaced by natural means.

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Geoscience Process

A geoscience process is any natural process, such as erosion or earthquakes, that shapes the Earth.

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Metal Ore

Metal ore is a type of rock that contains enough valuable metals to make it worthwhile to mine.

Key Vocabulary

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Petroleum

Petroleum is a fossil fuel that is formed from the remains of ancient marine organisms.

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Groundwater

Groundwater is the water that is held underground within the soil or in pores of rock.

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Subduction Zone

A subduction zone is a region where one tectonic plate is forced to move under another.

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Weathering

Weathering is the natural process that breaks down rocks, soil, and minerals into smaller pieces.

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Deposition

Deposition is the process where sediments, soil, and rocks are added to a landform or landmass.

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Hydrothermal Activity

Hydrothermal activity involves the circulation of hot water, often linked to nearby volcanic activity underground.

Glaciers and Landform Creation

• Glaciers are large, moving ice masses formed from compacted snow.

• As glaciers move, they scrape and carry rocks and soil.

• This process creates landforms like moraines and carves out large lakes.

Multiple Choice

What is a glacier?

• A large, moving mass of ice formed from compacted snow.

• A type of rock formed under great pressure.

• A river that freezes during the winter season.

• A large lake found in a cold climate.

Multiple Choice

How do glaciers affect the land as they move?

• They cause the seasons to change by blocking the sun.

• They scrape and transport rocks and soil, changing the ground's surface.

• They melt to form rivers that create sandy beaches.

• They provide a habitat for plants and animals to grow on the ice.

Multiple Choice

If a massive glacier were to move through a region and then melt away, what would be the most likely evidence of its existence?

• A flat, sandy desert.

• A tall, pointed mountain peak.

• A large lake and ridges of deposited rock.

• A deep canyon with steep, vertical walls.

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Coal: An Energy Resource from Plants

• Coal is a non-renewable fuel formed from ancient plants in swampy areas.

• This formation process took place over hundreds of millions of years.

• Heat and pressure turned plant matter into peat, then harder coal types.

• Burning coal releases carbon dioxide (CO₂), a harmful greenhouse gas.

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Multiple Choice

What is coal?

• A renewable fuel created from modern trees.

• A type of rock formed by volcanic activity.

• A non-renewable fuel formed from the remains of ancient plants.

• A gas collected from the Earth's atmosphere.

Multiple Choice

Which statement best describes the process of coal formation?

• Heat and pressure acted on plant matter over millions of years.

• Ocean water evaporated, leaving behind salt and minerals.

• Dead animals were quickly buried in sand.

• Sunlight hardened loose soil into rock over a few years.

Multiple Choice

If a power plant increases the amount of coal it burns, what is the most likely consequence for the environment?

• A decrease in the Earth's overall temperature.

• An increase in the amount of greenhouse gases in the atmosphere.

• The creation of new swampy areas for plants to grow.

• A reduction in the amount of carbon dioxide in the air.

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Petroleum: A Fossil Fuel from the Sea

• Petroleum is a non-renewable fuel formed from tiny ancient marine organisms.

• Heat and pressure changed these buried remains into oil and natural gas.

• Less dense than water, it moves upwards through porous rock layers.

• It collects in underground traps sealed by impermeable rock.

Multiple Choice

What is petroleum?

• A renewable resource created from volcanic activity.

• A non-renewable resource formed from the remains of ancient marine life.

• A renewable fuel source derived from modern plants.

• A non-renewable material created by compressed sand and rock.

Multiple Choice

How did the remains of tiny sea organisms become oil and natural gas?

• They were frozen in glaciers and melted into oil.

• They were buried by sediment and transformed by heat and pressure.

• They were consumed by large fish that produced oil.

• They were exposed to sunlight on the ocean surface.

Multiple Choice

What is the role of impermeable rock in the formation of an oil reservoir?

• The impermeable rock is the source material for the oil.

• The impermeable rock traps the oil, preventing it from escaping.

• The impermeable rock filters impurities out of the oil.

• The impermeable rock cools the oil, turning it into a solid.

Formation of Metal Ores

• Metal ores are linked to volcanic and hydrothermal activity near plate boundaries.

• Hot, metal-rich fluids cool and deposit concentrated minerals, forming metal ores.

• Volcanic regions are often rich in mineral deposits like gold and silver.

Multiple Choice

What process is responsible for creating concentrated deposits of metal ores?

• The cooling of hot, metal-rich fluids

• The pressure from deep underground

• The erosion of mountains by wind

• The movement of ocean currents

Multiple Choice

What is the relationship between volcanic areas and the presence of valuable mineral deposits?

• They are sites of heat and fluid activity that concentrate metals.

• The metals are created by the extreme pressure of volcanic eruptions.

• Ancient rivers deposited the metals in these locations.

• The metals are a primary component of all volcanic rock.

Multiple Choice

A team of geologists is searching for a new, undiscovered deposit of gold. Which type of geographic area offers the best chance of success?

• A large, flat river delta

• A region with a history of volcanic and hot spring activity

• A coastal area with heavy rainfall

• A desert landscape shaped by wind erosion

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Groundwater and Soil Resources

Groundwater

• Groundwater is fresh water stored underground in layers of rock or soil called aquifers.

• It is a vital resource for drinking and farming, but its availability varies by region.

• It is replenished slowly by rain and is often used faster than it can be replaced.

Soil

• Soil is formed over long periods by the weathering or the breakdown of rock.

• It also contains deposited organic material, which makes the soil fertile for plants.

• The type and thickness of soil depend on the area's climate and underlying rock.

Multiple Choice

What is groundwater?

• Fresh water stored underground in aquifers

• Salt water found in oceans and seas

• Water that flows in rivers and streams

• Frozen water found in glaciers and ice caps

Multiple Choice

Which two factors are responsible for the formation of fertile soil?

• The breakdown of rock and the deposit of organic material

• The slow replenishment of aquifers by rainwater

• The seasonal changes in an area's climate

• The process of water evaporating from the surface

Multiple Choice

If a farming region experiences a long-term drought with very little rain, what is the most likely consequence for its natural resources?

• The soil would be exceptionally thick and fertile.

• Groundwater would be plentiful but difficult to access.

• Farming would be difficult due to a lack of groundwater.

• The soil would be unable to support any plant life.

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Common Misconceptions

Misconception	Correction
Resources like oil and metals are found everywhere.	These non-renewable resources are only found in specific geologic locations.
Glaciers are large, unmoving blocks of ice.	Glaciers are always moving forward due to their own weight.
Underground water is an unlimited supply.	Groundwater is stored in aquifers and can be used up.
All major geological events happen at plate boundaries.	Volcanic hotspots can create geological events far from plate boundaries.

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Summary

• Earth's resources are unevenly distributed due to past and current geoscience processes.

• Fossil fuels and metal ores form from specific geological events over millions of years.

• Glaciers and weathering shape the land and create valuable resources like fertile soil.

• Most of these resources are non-renewable and are being used up by humans.

Poll

On a scale of 1-4, how confident are you about the concepts covered in today's review?

• 1 (Not confident)

• 2 (A little confident)

• 3 (Mostly confident)

• 4 (Very confident)