6th Grade Quiz: Test Your Knowledge About Earth Science!

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6th Grade Quiz: Test Your Knowledge About Earth Science! - Quiz

Tropical rainforests experience high temperatures and a lot of rain. A tropical rainforest is a place found roughly within 25 degrees north or south of the equator. Over an acre of rainforest is being lost every second with possible serious consequences to us all. Let's delve into Tropical Rain Forests, shall we?


Questions and Answers
  • 1. 

    The dense 'roof' of treetops is called what?

    • A.

      Awning

    • B.

      Blanket

    • C.

      Canopy

    • D.

      Umbrella

    Correct Answer
    C. Canopy
    Explanation
    The dense 'roof' of treetops is called a canopy. It refers to the upper layer of a forest formed by the branches and foliage of the trees, creating a dense cover or shade. The canopy provides shelter and protection to the plants and animals below, as well as regulates temperature and humidity levels. It is an important ecological feature of forests and plays a crucial role in the overall health and functioning of the ecosystem.

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  • 2. 

    Tropical rainforest vegetation takes in which gas?

    • A.

      Argon

    • B.

      Carbon Dioxide

    • C.

      Hydrogen

    • D.

      Oxygen

    Correct Answer
    B. Carbon Dioxide
    Explanation
    Tropical rainforest vegetation takes in carbon dioxide. This gas is essential for photosynthesis, the process by which plants convert carbon dioxide and sunlight into energy and oxygen. Carbon dioxide is absorbed through tiny openings in the leaves called stomata. The plants use the carbon dioxide to produce glucose, which serves as their food source. In this way, tropical rainforest vegetation helps to regulate the levels of carbon dioxide in the atmosphere, playing a crucial role in the global carbon cycle.

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  • 3. 

    Which term means using rainforest resources in a way that preserves them for the future?

    • A.

      Extended development

    • B.

      Programmable development

    • C.

      Strategic development

    • D.

      Sustainable development

    Correct Answer
    D. Sustainable development
    Explanation
    Sustainable development refers to the practice of utilizing rainforest resources in a manner that ensures their preservation for future generations. It involves balancing economic growth with environmental protection and social well-being, aiming to meet the needs of the present without compromising the ability of future generations to meet their own needs. This term emphasizes the importance of long-term planning and responsible resource management to ensure the continued availability and viability of rainforest resources.

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  • 4. 

    Why are rainforest soils poor and infertile?

    • A.

      Because of a vicious fungus

    • B.

      Due to animal activity

    • C.

      Heavy rain washes out the nutrients

    • D.

      The sun dries them out

    Correct Answer
    C. Heavy rain washes out the nutrients
    Explanation
    Rainforest soils are poor and infertile because heavy rain washes out the nutrients. The constant rainfall in rainforests causes the nutrients in the soil to be leached away, leaving behind a nutrient-poor soil. As the rainwater percolates through the soil layers, it carries away essential minerals and nutrients, making it difficult for plants to thrive. This constant nutrient depletion is one of the reasons why rainforest soils are generally infertile, requiring the plants to adapt and rely on other strategies such as symbiotic relationships with fungi to obtain nutrients.

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  • 5. 

    Roughly how much of the earth's surface is covered by tropical rainforests?

    • A.

      0.15

    • B.

      0.25

    • C.

      Less than 2%

    • D.

      More than 50%

    Correct Answer
    C. Less than 2%
    Explanation
    Tropical rainforests cover less than 2% of the earth's surface. This means that they are relatively small in terms of global land coverage. The majority of the earth's surface is not covered by tropical rainforests, indicating that they are a unique and limited ecosystem.

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  • 6. 

    Which river is famous for its rainforest?

    • A.

      Amazon

    • B.

      Ganges

    • C.

      Limpopo

    • D.

      Mississippi

    Correct Answer
    A. Amazon
    Explanation
    The Amazon river is famous for its rainforest because it flows through the Amazon rainforest, which is the largest tropical rainforest in the world. This rainforest is known for its incredible biodiversity and is home to numerous species of plants and animals. The Amazon river plays a vital role in sustaining the rainforest ecosystem by providing water and nutrients to the plants and animals that inhabit it. Additionally, the Amazon river is also important for local communities who rely on it for transportation, fishing, and other economic activities.

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  • 7. 

    Tropical rainforests grow in what type of climate?

    • A.

      Cold and wet

    • B.

      Hot and humid

    • C.

      Mild and damp

    • D.

      Warm and dry

    Correct Answer
    B. Hot and humid
    Explanation
    Tropical rainforests grow in a hot and humid climate because they are located near the equator where temperatures are consistently high and rainfall is abundant. The combination of high temperatures and high humidity creates the ideal conditions for the growth of lush vegetation and diverse plant and animal species that thrive in these environments. The hot and humid climate provides the necessary warmth and moisture for the continuous growth and regeneration of the rainforest ecosystem.

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  • 8. 

    Large wide tree roots above ground have what name?

    • A.

      Buttress roots

    • B.

      Fortress roots

    • C.

      Mega roots

    • D.

      Stabilising roots

    Correct Answer
    A. Buttress roots
    Explanation
    Buttress roots are large, wide roots that are commonly found in trees growing in tropical rainforests. These roots extend above the ground and spread out in a wide and shallow manner, forming a buttress-like structure. They provide stability and support to the tree, especially in the shallow and nutrient-poor soils of rainforests. Buttress roots also help to anchor the tree firmly in the ground, preventing it from toppling over in strong winds or during heavy rainfall. Therefore, the correct name for large wide tree roots above ground is buttress roots.

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  • 9. 

    What type of tree would not grow in a tropical rainforest?

    • A.

      Mahogany

    • B.

      Pine

    • C.

      Rubber

    • D.

      Teak

    Correct Answer
    B. Pine
    Explanation
    Pine trees are not typically found in tropical rainforests because they prefer cooler climates and well-drained soil. Tropical rainforests are characterized by high temperatures and high humidity, which are not ideal conditions for pine trees to thrive. Additionally, pine trees require a certain amount of sunlight, and the dense canopy of the rainforest limits the amount of sunlight that reaches the forest floor. Therefore, pine trees would not be able to grow and survive in a tropical rainforest environment.

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  • 10. 

    Which continent does not have tropical rainforests?

    • A.

      Africa

    • B.

      Europe

    • C.

      South America

    • D.

      South-East Asia

    Correct Answer
    B. Europe
    Explanation
    Europe does not have tropical rainforests. This is because the climate in Europe is not suitable for the growth of tropical rainforests, which require high temperatures and high humidity throughout the year. Europe has a more temperate climate with distinct seasons and a lower average temperature, making it unsuitable for the tropical rainforest ecosystem to thrive.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 09, 2019
    Quiz Created by
    Tutuagyekum
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