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Earth ScienceGrade 4en

🌾 Soil and Living Things

Discover the hidden world beneath our feet! This quiz explores the fascinating ecosystem of soil, including the decomposers and organisms that make soil healthy and alive. Learn how bacteria, fungi, earthworms, and insects work together in the soil to break down dead matter, cycle nutrients, and support plant growth. Perfect for understanding how soil is much more than just dirt—it's a thriving community! **What you'll learn:** - How decomposers break down dead organic matter in soil - The roles of earthworms, bacteria, and fungi in soil health - How nutrients cycle through soil ecosystems - How soil food webs support life above and below ground - Why healthy soil is essential for growing plants and sustaining ecosystems

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Questions in this quiz

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  1. Question 1

    What are decomposers in soil?

  2. Question 2

    Bacteria in soil are always harmful to plants and animals.

  3. Question 3

    Which organism is known for aerating soil and improving its structure?

  4. Question 4

    What is organic matter in soil?

  5. Question 5

    Fungi in soil only grow above the ground as mushrooms.

  6. Question 6

    In a soil food web, earthworms are most likely to eat which of the following?

  7. Question 7

    What is nutrient cycling in soil ecosystems?

  8. Question 8

    Healthy soil with lots of decomposers helps plants grow better than soil with few decomposers.

  9. Question 9

    Which of the following is a sign of healthy soil?

  10. Question 10

    What role do soil insects play in the decomposition process?

  11. Question 11

    Bacteria are the only decomposers found in soil.

  12. Question 12

    How do decomposers help plants grow?

  13. Question 13

    Which of the following best describes a soil food web?

  14. Question 14

    Dead leaves and grass clippings are important sources of organic matter for soil decomposers.

  15. Question 15

    Why is decomposition important for soil health?

  16. Question 16

    Which statement best explains how earthworms and bacteria work together in soil?