Earth Science Quiz: Minerals and Rocks
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Questions and Answers

Which of these environments is characterized by wet, spongy soil?

  • River beds
  • Swamps (correct)
  • Deserts
  • Volcanic regions

What type of rock is formed from the cementation of sand and gravel?

  • Conglomerate (correct)
  • Marble
  • Shale
  • Granite

Which rock type forms when clay undergoes lithification?

  • Limestone
  • Quartzite
  • Coal
  • Shale (correct)

Which star classification best describes our sun?

<p>Main-sequence star (B)</p> Signup and view all the answers

Which geological period is not part of the Mesozoic era?

<p>Permian (C)</p> Signup and view all the answers

From which location did the ice sheet that covered northeastern United States originate?

<p>Labrador center in eastern Canada (B)</p> Signup and view all the answers

What type of volcano is characterized by being steep-sided and composed of lava flows and pyroclastic material?

<p>Composite cone (A)</p> Signup and view all the answers

Which rock family does the solidified lava of a volcano belong to?

<p>Igneous (B)</p> Signup and view all the answers

What is a dome-shaped intrusion called in geological studies?

<p>Laccolith (A)</p> Signup and view all the answers

What geological feature is Shiprock in New Mexico classified as?

<p>Volcanic neck (B)</p> Signup and view all the answers

Why does Iceland experience significant volcanic activity?

<p>It was formed above a mid-ocean rift (A)</p> Signup and view all the answers

Which rock type is most resistant to both chemical and mechanical weathering?

<p>Quartzite (A)</p> Signup and view all the answers

What is the term for dry stream channels with nearly vertical walls and flat bottoms characteristic of semi-arid regions?

<p>Arroyo (D)</p> Signup and view all the answers

What percentage of the Earth's water is fresh water?

<p>3% (B)</p> Signup and view all the answers

What is the deep, least productive part of a lake called?

<p>Profundal zone (B)</p> Signup and view all the answers

Which factor does NOT affect sea level change?

<p>Arctic sea ice (B)</p> Signup and view all the answers

If all the Earth's ice melted, what would be the approximate increase in sea level?

<p>70 meters (A)</p> Signup and view all the answers

What is the term for the curved body of water formed when a meandering river reshapes and cuts off one of its bends?

<p>Oxbow lake (A)</p> Signup and view all the answers

The chemical union of iron, oxygen, and water forms which mineral?

<p>Limonite (D)</p> Signup and view all the answers

What is the term that describes different crystalline modifications of the same chemical substance?

<p>Polymorphism (A)</p> Signup and view all the answers

What percentage of the energy used in the United States is provided by hydroelectric power?

<p>5% (A)</p> Signup and view all the answers

Which of the following energy sources does NOT originally come from the Sun?

<p>Geothermal (B)</p> Signup and view all the answers

What is the name of the atmosphere layer of upwardly diminishing temperature situated above the stratosphere?

<p>Mesosphere (D)</p> Signup and view all the answers

What percentage of the Earth's atmosphere does oxygen (O2) comprise?

<p>21% (A)</p> Signup and view all the answers

Which type of rays are responsible for tanning the skin?

<p>Ultraviolet rays (D)</p> Signup and view all the answers

What is the relative humidity when the absolute humidity is 3 grams per cubic meter and the air has a capacity of 12 grams per cubic meter?

<p>25% (B)</p> Signup and view all the answers

Which two gases found in the atmosphere do NOT significantly contribute to solar heating?

<p>Nitrogen and Oxygen (D)</p> Signup and view all the answers

Global climate change is predominantly attributed to the increase in what two gases due to human activities?

<p>Methane and Carbon dioxide (D)</p> Signup and view all the answers

What is the term used to measure the intensity of solar radiation and is equivalent to one gram calorie per square centimeter per minute?

<p>Langley (C)</p> Signup and view all the answers

What gas makes up the majority of the Earth's atmosphere?

<p>Nitrogen (C)</p> Signup and view all the answers

Flashcards

Composite Cone Volcano

A volcano formed from alternating layers of lava flows and pyroclastic material, resulting in a tall, steep-sided structure.

Laccolith

A dome-shaped intrusion of magma that forces its way into surrounding rock layers, creating a bulge on the surface.

Igneous Rock

The solidified lava of a volcano belongs to this rock family. These rocks form when molten rock cools and solidifies.

Exfoliation

A type of weathering where shells or plates break away from a rock, often making it rounded.

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Quartzite

A type of rock that is very resistant to both chemical and mechanical weathering.

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Geosphere

The entire solid earth realm, composed of mineral matter.

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Mid-Ocean Rift

Iceland's volcanic activity is due to its location above a mid-ocean rift, where tectonic plates pull apart and magma rises to the surface.

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Alluvium

Sediment deposited by a river, often found in river valleys and deltas.

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Arroyo

Dry stream channels with steep walls and flat bottoms, common in semi-arid regions.

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Freshwater percentage

The percentage of the Earth's water that is usable by humans and most organisms is only 3%.

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Profundal Zone

The deepest, least productive zone in a lake, where light cannot penetrate.

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Sea level change

The melting of glaciers and ice sheets is a major contributor to rising sea levels.

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Sea level rise

If all the Earth's ice melted, sea levels would rise by an estimated 70 meters.

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Oxbow lake

A U-shaped lake formed when a meandering river changes course and cuts off a bend.

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Limonite

A substance formed by the combination of iron, oxygen, and water; a common reddish-brown mineral.

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What is the lithosphere?

The outermost rigid layer of the Earth, consisting of the crust and the uppermost part of the mantle.

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Polymorphism

The phenomenon where a single chemical substance can have different crystalline structures.

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Which energy source doesn't come from the Sun?

Geothermal energy originates from the Earth's internal heat, not the Sun.

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What is the mesosphere?

The layer of the atmosphere above the stratosphere, characterized by decreasing temperature with increasing altitude.

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Hydroelectric power's share

Hydroelectric power, produced by dams and water turbines, contributes only a small percentage of the United States' energy needs.

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What is a Langley?

A unit of measurement for solar radiation, equal to 1 gram calorie per square centimeter per minute.

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What percentage of our atmosphere is oxygen?

Oxygen makes up approximately 21% of the Earth's atmosphere.

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What gas is the most abundant in our atmosphere?

Nitrogen is the most abundant gas in Earth's atmosphere.

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What kind of rays cause tanning?

Ultraviolet rays are the sun's rays that cause tanning.

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What is the relative humidity if the absolute humidity is 3 g/m³ and the capacity is 12 g/m³?

Relative humidity is the percentage of water vapor in the air compared to its maximum capacity at a given temperature. 3/12 = 25%

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Which two gases don't absorb much solar heat?

Nitrogen and oxygen are the two major gases that don't significantly contribute to solar heating of the atmosphere.

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What type of rock is conglomerate?

A sedimentary rock composed of cemented sand and gravel.

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What is shale made from?

Shale is a fine-grained sedimentary rock formed from the compaction and cementation of clay.

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What type of star is our Sun?

A main-sequence star is a star that is fusing hydrogen into helium in its core, like our Sun.

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Why are fossils rarely found in granite?

Fossils are rarely found in igneous rocks like granite because the intense heat and pressure involved in their formation destroy any existing fossils.

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Which map projection is used for navigation?

The Mercator projection is a cylindrical map projection that is most appropriate for navigation charts because it preserves angles and shapes, making it ideal for plotting courses.

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What is the main component found in the B-horizon of a pedalfer soil?

The B-horizon of a pedalfer soil is characterized by an accumulation of oxides, which are compounds formed when metals combine with oxygen.

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Where are Pedocal soils commonly found?

Pedocal soils are typically found in arid to semi-arid regions, characterized by grasslands and a low moisture content.

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What is the main component of high-quality crop soil?

Humus is a dark, rich, and stable form of decomposed organic matter that greatly contributes to soil fertility and structure. It improves drainage, aeration, and water retention.

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What is the name of the aquifer responsible for artesian wells in the Great Plains?

The Dakota Sandstone is a major geological formation in the Great Plains, serving as the main aquifer for artesian wells in the region.

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What type of rock serves as the main aquifer in Florida?

Fissured limestone is a type of rock with cracks and openings, making it a suitable reservoir for groundwater. These fissures allow water to flow and be accessed through wells.

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What is the process called where sand grains are transported by wind in jumps and bounces?

Saltation is a process in which sand grains are transported by wind in a series of jumps and bounces. The wind lifts the grains, carries them a short distance, and then drops them, causing them to skip along the surface.

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What is the surface layer of a desert pavement primarily composed of?

Desert pavement is a surface layer of tightly packed pebbles and boulders that forms in arid regions due to the removal of fine sand and silt by wind erosion.

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What type of dune has a crescent shape?

Barchans are crescent-shaped sand dunes that form in areas with moderate wind speed and limited sand supply.

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What weather condition does NOT result from a low-level temperature inversion?

A temperature inversion is a condition in which a layer of warm air sits above a layer of cold air, trapping pollutants near the ground. When this occurs at low levels, it can lead to smog and other environmental problems.

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Study Notes

Science Bowl Study Notes

  • ERSC-91, 92, 93: Various multiple-choice and short-answer questions covering several Earth Science topics. Questions relate to specific minerals, rocks, processes, and geographic features. Information includes locations, compositions, classifications, formation processes, and more.
  • Minerals: Specific questions on various minerals, including their properties (e.g., hardness, cleavage, streak), uses, and chemical formulas. Examples like quartz, calcite, feldspar, hematite, cinnabar, and others are included.
  • Igneous Rocks: Formation, composition, and classification of igneous rocks are discussed. Volcanoes, lava, magma, and volcanic features (e.g., cinder cones, shield volcanoes, explosive eruptions) are included.
  • Sedimentary Rocks: Formation, composition and classification of sedimentary rocks. Descriptions of various types (e.g., sandstone, conglomerate, shale, limestone) along with processes like weathering, erosion, and deposition are covered.
  • Metamorphic Rocks: Formation, composition, and classification of metamorphic rocks. Descriptions of types, such as marble and slate, along with their formation processes through heat and pressure.
  • Earthquakes: Details on earthquake-related terms like the Moho, focus, and the epicenter. Questions include the Richter scale and different types of faults.
  • Weathering: Mechanisms of chemical and mechanical weathering are explored.
  • Landforms: Features like mountains, plateaus, valleys, and canyons are addressed. Emphasis on glacial formations like moraines, U-shaped valleys, and others.
  • Atmospheric Phenomena: Various atmospheric conditions, like the jet stream, wind patterns, and the effects of the Coriolis effect.
  • Geological Time: Different geologic periods, eras, and their sequence. Information includes fossils, and other geological events.
  • Global Climate Change: Processes (e.g., deforestation, fossil fuel combustion) contributing to climate change are discussed.
  • Earth Surface Features: Details on surface features that relate to erosion, uplift, and tectonic plate movements.
  • Hydrology: Terms and concepts related to water movement, including rivers (e.g., yazoo streams, oxbow lakes), and rainfall.
  • Other topics: Information on various geological processes, elements, concepts and geographic locations across different continents and geological areas.

Additional Note

  • Study the provided questions and answers to gain a deeper understanding of the specific concepts addressed. Pay attention to the different ways questions were asked about similar topics.

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Description

Test your knowledge on Earth Science with this quiz focused on minerals and rocks. Covering topics like mineral properties, igneous and sedimentary rock formation, this quiz features multiple-choice and short-answer questions designed to deepen your understanding of Earth's geology.

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