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Question Set: Water Properties

  1. How are cohesion and adhesion alike? How are they different?
  2. How does cohesion help explain how you are able to squirt water across a room with a hose or water gun?
  3. How does adhesion help explain how a sponge or paper towel cleans up spilled water? 
  4. Your ability to float a paper clip on water (in Properties of Water Activity 2) was due to what is called surface tension. Explain how cohesion and adhesion play a role in surface tension. Give an example of how surface tension is important in real life.
  5. Have you ever tried to pull two plastic buckets apart when they are wet or had two CDs stick together when wet? Think about the rulers you stuck together in Activity 2 and explain how cohesion and adhesion function as glue to hold objects like buckets or CDs together and make them difficult to pull apart. 
  6. Plants must get water from their roots to their highest branches. Explain how cohesion and adhesion might help a plant get water from the ground to its upper leaves.

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Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawaii, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.