Environmental Science: Water Properties
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Questions and Answers

What is the significance of surface tension in aquatic environments?

  • It allows for the freezing of the water surface.
  • It supports small insects on the surface. (correct)
  • It increases the temperature of the water.
  • It prevents water from evaporating.
  • What would likely happen to aquatic organisms in a habitat that freezes solid?

  • They would adapt to survive in frozen conditions.
  • Most would die due to lack of liquid water. (correct)
  • They would migrate to warmer areas.
  • They would continue to thrive as the surface thaws.
  • Which statement best describes a polar molecule?

  • It always forms ionic bonds.
  • It has an unequal sharing of electrons. (correct)
  • It consists of charged ions.
  • It has an equal sharing of electrons.
  • Why is water considered an important component of blood?

    <p>It acts as a solvent for nutrients and waste.</p> Signup and view all the answers

    How do hydrogen bonds contribute to the properties of water?

    <p>They allow for a higher boiling point.</p> Signup and view all the answers

    What property of water allows it to form an insulating layer when ice freezes?

    <p>Low density of ice compared to liquid water</p> Signup and view all the answers

    How does cohesion in water facilitate its movement through plants?

    <p>It enables water molecules to stick together, aiding transport</p> Signup and view all the answers

    In what way does adhesive property of water benefit living organisms?

    <p>It enables water to adhere to other polar molecules and surfaces</p> Signup and view all the answers

    Which of the following best describes capillary action in water?

    <p>Movement of water up narrow tubes against gravity due to cohesion and adhesion</p> Signup and view all the answers

    What role does water play as a solvent in organisms?

    <p>It facilitates chemical reactions by dissolving solutes</p> Signup and view all the answers

    Why is the stability of water considered crucial for living organisms?

    <p>It prevents temperature changes, essential for maintaining enzyme activity</p> Signup and view all the answers

    Which characteristic of water contributes to its high surface tension?

    <p>Strong cohesive forces between water molecules</p> Signup and view all the answers

    What is a consequence of ice floating on liquid water for aquatic ecosystems?

    <p>It insulates water below, allowing aquatic life to survive during cold conditions</p> Signup and view all the answers

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