Social Studies: Only A 3rd Grade Student Can Pass This Test!

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Social Studies: Only A 3rd Grade Student Can Pass This Test! - Quiz

Show your versatility in social studies by taking this quiz! Deforestation is an important issue often discussed in the Third Grade social studies curriculum. It is the indiscriminate removal of trees without planting new ones. The sites are usually turned to residential sites or farms. Do you understand this quite well?


Questions and Answers
  • 1. 

    What percent of the earth's surface is covered by forests?

    • A.

      45 percent 

    • B.

      23 percent 

    • C.

      67 percent 

    • D.

      31 percent 

    Correct Answer
    D. 31 percent 
    Explanation
    Approximately 31 percent of the earth's surface is covered by forests. This means that almost one-third of the planet is filled with trees and vegetation. Forests play a crucial role in maintaining biodiversity, regulating climate, and providing resources for humans and wildlife. They are essential for the health of the planet and the well-being of all living organisms.

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  • 2. 

    Which of these is not a result of deforestation?

    • A.

      Aridity

    • B.

      Biodiversity loss

    • C.

      Habitat damage 

    • D.

      Biosequestration

    Correct Answer
    D. Biosequestration
    Explanation
    Biosequestration refers to the process of capturing and storing carbon dioxide from the atmosphere through natural or artificial means. It is not a result of deforestation, but rather a potential solution to combat climate change. Deforestation, on the other hand, leads to aridity (drying out of the land), biodiversity loss (destruction of habitats and species), and habitat damage (disruption of ecosystems).

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  • 3. 

    What is the direct cause of deforestation?

    • A.

      Lumbering 

    • B.

      Industry

    • C.

      Agriculture 

    • D.

      Joinery 

    Correct Answer
    C. Agriculture 
    Explanation
    Agriculture is the direct cause of deforestation. This is because large areas of forests are cleared to make way for agricultural activities such as farming and livestock grazing. The demand for agricultural land leads to the clearing of trees, which results in deforestation. This is a major driver of deforestation globally, as forests are cleared to create space for crops and livestock, causing the loss of biodiversity and disruption of ecosystems.

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  • 4. 

    Which of these is not a cause of contemporary deforestation?

    • A.

      Reforestation

    • B.

      Urbanization

    • C.

      Overpopulation

    • D.

      Population growth

    Correct Answer
    A. Reforestation
    Explanation
    Reforestation is not a cause of contemporary deforestation because it refers to the process of planting trees to replace those that have been cut down or lost. It is a deliberate effort to restore and increase forest cover, thus countering deforestation. In contrast, urbanization, overpopulation, and population growth are all factors that contribute to deforestation by increasing the demand for land and resources, leading to the clearing of forests for agriculture, infrastructure, and settlement purposes.

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  • 5. 

    Which of these is affected by deforestation?

    • A.

      Nitrogen cycle 

    • B.

      Water cycle

    • C.

      Climate 

    • D.

      Weather 

    Correct Answer
    B. Water cycle
    Explanation
    Deforestation affects the water cycle. Trees play a crucial role in the water cycle by absorbing water from the soil through their roots and releasing it into the atmosphere through a process called transpiration. When trees are cut down, this process is disrupted, leading to reduced water absorption and evaporation. As a result, there is less moisture in the air, leading to decreased rainfall and altered precipitation patterns. Deforestation also increases the risk of soil erosion, which further impacts the water cycle by reducing the amount of water that can be absorbed into the ground.

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  • 6. 

    Which of these refers to the variability and variety of life on Earth?

    • A.

      Lumbering 

    • B.

      Transport 

    • C.

      Biodiversity 

    • D.

      Global warming 

    Correct Answer
    C. Biodiversity 
    Explanation
    Biodiversity refers to the variability and variety of life on Earth. It encompasses the different species of plants, animals, and microorganisms, as well as the genetic diversity within each species and the diversity of ecosystems. Biodiversity is important for maintaining the balance of ecosystems and providing various ecosystem services such as food, clean air and water, and climate regulation. It is also crucial for human well-being, as it supports agriculture, medicine, and tourism industries.

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  • 7. 

    What percentage of the world greenhouse gas emissions is caused by deforestation?

    • A.

      20 percent 

    • B.

      34 percent

    • C.

      44 percent 

    • D.

      78 percent

    Correct Answer
    A. 20 percent 
    Explanation
    Deforestation contributes to approximately 20 percent of the world's greenhouse gas emissions. This is because trees store carbon dioxide, and when they are cut down or burned, the stored carbon is released into the atmosphere as carbon dioxide, a major greenhouse gas. The loss of trees also reduces the Earth's capacity to absorb carbon dioxide, further exacerbating the greenhouse effect. Therefore, deforestation plays a significant role in global warming and climate change.

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  • 8. 

    What percentage of the earth's fresh water does tropical rainforest produce? 

    • A.

      30 percent 

    • B.

      45 percent 

    • C.

      21 percent 

    • D.

      23 percent 

    Correct Answer
    A. 30 percent 
    Explanation
    Tropical rainforests produce approximately 30 percent of the earth's fresh water. This is because the dense vegetation in rainforests helps to absorb and retain water, which then evaporates and contributes to the formation of clouds and rainfall. The high levels of rainfall in these regions help to maintain the water cycle and supply fresh water to other parts of the world.

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  • 9. 

    Which of these is not a natural disaster?

    • A.

      Fire accidents

    • B.

      Landslides 

    • C.

      Hurricane 

    • D.

      Earthquake 

    Correct Answer
    A. Fire accidents
    Explanation
    Fire accidents are not considered a natural disaster because they are typically caused by human activities, such as negligence or accidents. While fires can cause significant damage and loss of life, they are not considered natural phenomena like landslides, hurricanes, and earthquakes, which are caused by natural forces and occur without human intervention.

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  • 10. 

    Which of these continents has the highest rate of deforestation?

    • A.

      Asia 

    • B.

      America

    • C.

      Africa

    • D.

      Australia 

    Correct Answer
    C. Africa
    Explanation
    Africa has the highest rate of deforestation among the given continents. This is due to several factors such as population growth, expansion of agriculture, illegal logging, and urbanization. The demand for agricultural land, especially for cash crops like palm oil and soybeans, has led to the clearing of vast areas of forests. Additionally, weak enforcement of forest protection laws and limited resources for conservation efforts contribute to the high rate of deforestation in Africa.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 02, 2019
    Quiz Created by
    Gregorynaomi
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