Important Science Practice Questions For Students! Quiz

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Quizzes Created: 1 | Total Attempts: 76
| Attempts: 76
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  • 1/12 Questions

    How the mineral reflects light

    • Mohs hardness scale
    • Ore
    • Luster
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About This Quiz

Explore key geology concepts with the 'Important Science Practice Questions For Students! Quiz'. This quiz assesses knowledge of mineral properties such as hardness, streak, luster, and chemical composition, enhancing understanding of earth science.

Important Science Practice Questions For Students! Quiz - Quiz

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  • 2. 

    Mass pre unit volume

    • Density

    • Luster

    • Solution

    Correct Answer
    A. Density
    Explanation
    Density is the measure of mass per unit volume. It is a physical property that describes how much mass is contained within a given volume of a substance. The higher the density, the more mass is packed into a specific volume. Density is often used to identify and classify different materials, as substances with different densities will have different properties. For example, a material with a higher density will sink in a liquid with a lower density.

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  • 3. 

    Observe # and Angle of crystal faces

    • Crystalline structure

    • Definate chemical composition

    • Density

    • Streak

    Correct Answer
    A. Crystalline structure
    Explanation
    The given answer, "crystalline structure," is the correct choice because it is one of the key characteristics used to identify minerals. Crystalline structure refers to the arrangement of atoms or molecules in a repeating pattern, which is unique to each mineral. By observing the crystal faces of a mineral, one can determine its crystalline structure. This characteristic helps distinguish one mineral from another, as different minerals have different crystal structures. Therefore, crystalline structure is an important factor in mineral identification.

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  • 4. 

    Property of splitting evenly along flat surfaces

    • Streak

    • Gemstones

    • Density

    • Cleavage

    Correct Answer
    A. Cleavage
    Explanation
    Cleavage refers to the property of a mineral to split evenly along flat surfaces. This means that when a mineral with cleavage is subjected to external forces, it breaks along specific planes or directions, resulting in smooth and flat surfaces. This characteristic is often used to identify and classify minerals. Streak, gemstones, and density are not directly related to the property of splitting evenly along flat surfaces, making cleavage the correct answer.

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  • 5. 

    Contains certain elements in a definate amount 

    • Gemstones

    • Solution

    • Luster

    • Chemical composition

    Correct Answer
    A. Chemical composition
    Explanation
    The term "chemical composition" refers to the specific arrangement and types of atoms that make up a substance. In the context of the given question, it implies that gemstones have a definite and specific arrangement of atoms, which gives them their unique properties. This arrangement determines the gemstone's color, hardness, and other characteristics. Therefore, the chemical composition of gemstones is a crucial factor in their identification and classification.

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  • 6. 

    The hard colorful minerals with a brilliant glassy luster

    • Luster

    • Gemstones

    • Halite

    • Solution

    Correct Answer
    A. Gemstones
    Explanation
    Gemstones are known for their hard and colorful nature, as well as their brilliant glassy luster. They are highly valued for their beauty and rarity, making them desirable for use in jewelry and other decorative purposes. Halite, on the other hand, is a mineral that is not typically considered a gemstone. It is a common rock salt mineral found in salt deposits and does not possess the same qualities of hardness, color, and luster as gemstones. Therefore, the correct answer in this case is gemstones.

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  • 7. 

    What forms when salt water evaporates?

    • Halite

    • Density

    • Streak

    • Cleavage

    Correct Answer
    A. Halite
    Explanation
    When salt water evaporates, it leaves behind a solid mineral called halite. Halite is commonly known as rock salt and is composed of sodium chloride. As the water evaporates, the dissolved salt particles come together and crystallize, forming halite. This process is often seen in salt flats or salt pans, where the water evaporates, leaving behind a layer of halite crystals.

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  • 8. 

    A mixture in which one substance dissolves in another

    • Streak

    • Rocks

    • solution

    • Minerals

    Correct Answer
    A. solution
    Explanation
    A solution is a mixture in which one substance dissolves in another. In a solution, the solute (the substance being dissolved) is evenly distributed throughout the solvent (the substance doing the dissolving). This allows the solute particles to be dispersed at a molecular level, resulting in a homogeneous mixture. Solutions can be formed with various combinations of substances, such as salt dissolving in water or sugar dissolving in coffee.

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  • 9. 

    A rock that contains a metal or econnnomically useful minieral

    • Density

    • Definate chemical composition

    • Ore

    Correct Answer
    A. Ore
    Explanation
    An ore is a rock that contains a metal or economically useful mineral. Ores are characterized by their density and definite chemical composition. They are valuable because they can be mined and processed to extract the desired metal or mineral. Ores are important natural resources that play a significant role in various industries.

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  • 10. 

    A ranking of minerals from softest to hardest

    • Mohs hardness scale

    • Gemstones

    • Solution

    • Cleavage

    Correct Answer
    A. Mohs hardness scale
    Explanation
    The Mohs hardness scale is a ranking system used to determine the hardness of minerals. It ranges from 1 (softest) to 10 (hardest). This scale is commonly used in the field of geology and gemology to classify gemstones based on their hardness. Gemstones with higher rankings on the Mohs scale are more durable and less likely to scratch or chip. Therefore, the correct answer is the Mohs hardness scale because it is a relevant and accurate way to rank minerals from softest to hardest.

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  • 11. 

    Perform a scratch test

    • Streak

    • Hardness

    • Luster

    • Solution

    Correct Answer
    A. Hardness
    Explanation
    The correct answer is "Hardness." In the context of the given options, "hardness" refers to the ability of a material to resist scratching or indentation. A scratch test involves using a harder material to scratch the surface of an unknown material and determine its relative hardness. This test helps in identifying and classifying minerals based on their hardness levels. Therefore, "hardness" is the most relevant option among the given choices.

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  • 12. 

    The color of its powder on an unglazed tile

    • Solution

    • Streak

    • Crystalline structure

    • Hardness

    Correct Answer
    A. Streak
    Explanation
    The color of a mineral's powder on an unglazed tile is known as its streak. Streak is a more reliable characteristic than the color of the mineral itself because it is not affected by impurities or weathering. By rubbing the mineral against an unglazed tile, the color of the resulting powder can be observed. This can help identify the mineral, as different minerals have different colored streaks.

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  • Current Version
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 01, 2010
    Quiz Created by
    Lauren75
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