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What topicMixtures and solutions
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Mixtures and Solutions Quiz

Grade 4 Science

Instructions:

Read each question carefully and choose the best answer where options are provided. For questions without options, write your answer in the space provided.

  1. What is a mixture?

    • A mixture is a combination of two or more substances that retain their individual properties.

  2. Which of the following is an example of a solution?

    • A. Sand and salt
    • B. Salad
    • C. Sugar water
    • D. Oil and water
    • E. Trail mix
    • F. Concrete
    • G. Fruit juice
    • H. Air
    • I. Ice cream
    • J. Chocolate chip cookies

  3. What happens when you stir salt into water?

    • The salt dissolves and becomes part of the water.

  4. Which of the following mixtures can be separated by a filter?

    • A. Vinegar and oil
    • B. Saltwater
    • C. Muddy water
    • D. Air
    • E. Milk
    • F. Sugar and water
    • G. Lemonade
    • H. Tea
    • I. Fruit punch
    • J. Baking soda and vinegar

  5. What is the name given to a mixture where one substance is completely dissolved in another?

    • The name is "solution."

  6. In a solution, which part is typically the solvent?

    • A solvent is the substance that does the dissolving, usually found in the largest amount.

  7. Which of the following is NOT a characteristic of a solution?

    • A. It looks clear
    • B. It can be separated by evaporation
    • C. It has a uniform composition
    • D. It has large particles that settle
    • E. It is stable over time
    • F. It can conduct electricity
    • G. It can be colored or colorless
    • H. It can be made with gases
    • I. It can change state
    • J. It can be hot or cold

  8. What do we call a mixture that contains large particles that can be seen and separated?

    • A suspension.

  9. Which of the following is an example of a homogeneous mixture?

    • A. Oil and vinegar
    • B. Salad
    • C. Air
    • D. Pizza
    • E. Mixed nuts
    • F. Soil
    • G. Beach sand
    • H. Chocolate syrup
    • I. Fruit salad
    • J. Concrete mix

  10. How can you make a solution more concentrated?

    • By adding more solute (e.g., more sugar or salt).

Good luck!