Scientific Inquiry and Physical Changes Quiz
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Questions and Answers

Which of the following is an example of a physical change?

  • Melting of ice (correct)
  • Rusting of iron
  • Burning wood
  • Cooking an egg

    • What is the process of using evidence to construct testable explanations and predictions of natural phenomena called?

  • Inductive reasoning
  • Scientific method (correct)
  • Hypothesis testing
  • Deductive reasoning

    • What is the SI unit of measurement for electric current?

  • Ohm
  • Ampere (correct)
  • Volt
  • Watt

    • What is the primary purpose of crop rotation in agriculture?

    <p>To prevent soil erosion and improve soil fertility</p> Signup and view all the answers

    Why is it important to remove weeds from the fields during crop cultivation?

    <p>Weeds compete with crops for nutrients, light, and space</p> Signup and view all the answers

    What is the purpose of adding manure or fertilizers to the soil during crop production?

    <p>To supply essential nutrients to the crops</p> Signup and view all the answers

    Which of the following is a leguminous crop?

    <p>Peas</p> Signup and view all the answers

    What is the primary purpose of ploughing in crop production?

    <p>To break up the soil and make it suitable for planting</p> Signup and view all the answers

    Which nutrient is primarily responsible for the green color of leaves in plants?

    <p>Nitrogen</p> Signup and view all the answers

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