6th Grade: How Much Do You Actually Know About Earth Science?

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  • 1/10 Questions

    'Icicles' on the roof of a limestone cave have what name?

    • Dolomites
    • Stalactites
    • Stalagmites
    • Stalinites
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About This Quiz

Limestone was formed from the remains of organisms that lived in ancient seas. Large areas of beautiful countryside in the UK consist of limestone formed when the country was under water. It forms in shallow tropical seas and so it shows that Britain was once much further south than it is today.

6th Grade: How Much Do You Actually Know About Earth Science? - Quiz

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  • 2. 

    Gaping Gill is an excellent example of what feature?

    • Gorge

    • Stalagmite

    • Swallow hole

    • Tufa screen

    Correct Answer
    A. Swallow hole
    Explanation
    Gaping Gill is an excellent example of a swallow hole. A swallow hole is a type of geological feature that forms when water from the surface disappears underground through a vertical shaft or hole. Gaping Gill is a large cave system in Yorkshire, England, where a stream disappears into a vertical shaft, making it a perfect example of a swallow hole.

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  • 3. 

    Which of these words best describes limestone?

    • Impervious

    • Permafrost

    • Permeable

    • Volcanic

    Correct Answer
    A. Permeable
    Explanation
    Limestone is best described as permeable because it is a sedimentary rock that is composed primarily of calcium carbonate. This composition allows water to easily pass through the rock, making it permeable. Limestone is often used as a building material and in the construction of roads and buildings due to its permeability, which allows for efficient drainage.

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  • 4. 

    What type of rock is limestone?

    • Igneous

    • Metamorphic

    • Punk

    • Sedimentary

    Correct Answer
    A. Sedimentary
    Explanation
    Limestone is a type of sedimentary rock. It is formed from the accumulation of organic materials, such as shells and coral, as well as the precipitation of minerals from water. Over time, these materials become compacted and cemented together to form limestone. Sedimentary rocks are formed through the processes of weathering, erosion, deposition, and lithification, making limestone a fitting answer.

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  • 5. 

    Bare rock outcrops are called limestone…what?

    • Kerbs

    • Pavements

    • Ridges

    • Shelves

    Correct Answer
    A. Pavements
    Explanation
    Bare rock outcrops are called pavements because they resemble a solid, flat surface similar to a paved walkway or road. The term "pavement" is often used to describe rock formations that are exposed and visible, without any vegetation or soil covering them. These rock pavements can be found in various landscapes, such as deserts or high mountain areas, where weathering and erosion have removed the overlying materials, leaving only the bare rock surface exposed.

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  • 6. 

    Which area has spectacular limestone landscapes?

    • Dartmoor

    • Lake District

    • Snowdonia

    • Yorkshire Dales

    Correct Answer
    A. Yorkshire Dales
    Explanation
    Yorkshire Dales is the correct answer because it is known for its spectacular limestone landscapes. The area is characterized by rolling hills, deep valleys, and unique rock formations, all formed by the erosion of limestone over millions of years. The limestone in Yorkshire Dales creates stunning features such as caves, cliffs, and waterfalls, making it a popular destination for hikers, nature enthusiasts, and photographers. The area's beauty and geological significance make it a prime location for exploring and appreciating limestone landscapes.

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  • 7. 

    Which hobby is popular in limestone regions?

    • Parachuting

    • Potholing

    • Skiing

    • White water rafting

    Correct Answer
    A. Potholing
    Explanation
    Potholing is a popular hobby in limestone regions because limestone is a type of sedimentary rock that is easily eroded by water, creating underground caves and tunnels. Potholing, also known as caving or spelunking, involves exploring these underground systems, navigating through narrow passages, and discovering unique rock formations. The presence of limestone in these regions provides the perfect conditions for the formation of extensive cave networks, making potholing a popular and thrilling activity for adventure enthusiasts.

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  • 8. 

    During which of the following geological periods was limestone formed?

    • Cambrian

    • Carboniferous

    • Palaeocene

    • Permian

    Correct Answer
    A. Carboniferous
    Explanation
    Limestone was formed during the Carboniferous period. This period, which occurred approximately 358 to 298 million years ago, is known for the extensive deposition of limestone due to the abundance of marine organisms such as corals, mollusks, and algae. The Carboniferous period was characterized by warm and shallow seas, providing ideal conditions for the formation of limestone through the accumulation of calcium carbonate-rich remains of these marine organisms. This resulted in the formation of vast limestone deposits that are still present today in many parts of the world.

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  • 9. 

    Why do limestone areas usually have a dry surface?

    • Local villages use all the rainwater

    • Streams disappear underground

    • Surface water evaporates quickly

    • They have very low rainfall

    Correct Answer
    A. Streams disappear underground
    Explanation
    Limestone areas usually have a dry surface because streams tend to disappear underground. Limestone is a porous rock that is easily dissolved by water, creating underground channels and caves. When it rains, the water quickly seeps into these underground channels, leaving the surface dry. This phenomenon is known as "karst" topography, and it is commonly found in limestone regions.

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  • 10. 

    What is limestone made of?

    • Calcium carbonate

    • Calcium chloride

    • Calcium dioxide

    • Calcium sulfide

    Correct Answer
    A. Calcium carbonate
    Explanation
    Limestone is made of calcium carbonate. This is a common sedimentary rock that is formed from the remains of marine organisms such as coral and shells. Calcium carbonate is the main component of limestone and gives it its characteristic white color. It is also used in various industries, including construction and agriculture, due to its properties as a building material and soil conditioner. Calcium chloride, calcium dioxide, and calcium sulfide are not the correct answers as they do not make up limestone.

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  • Oct 23, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • May 09, 2019
    Quiz Created by
    Tutuagyekum
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