Fix the mistake: Matter and Energy

Three States of Water

In this lesson, you will learn about the especially important topic of “the three states of water” among matter and energy. Rather than simply memorizing words, you will aim to explain the mechanisms and reasons in your own words.

Key Point
Water changes into ice, liquid water, or water vapor depending on the temperature, but the water itself does not disappear.
Important Points
  • Check the reasons, not only the conclusion
  • Distinguish similar terms and exceptions
  • Try to see whether the same way of thinking can be used with other examples

Practice

  1. Explain the key point in two sentences.
  2. Give one common misconception and explain what is different about it.
  3. Check it by applying it to a familiar or specific example.

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