Chain Crosswords Medium Chain Nature Medium — Set 30

Medium 13×13 Set 30
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Across
  1. 2. When water changes from a liquid to a gas
  2. 4. The steps followed to do an experiment
  3. 7. A change in a living thing that helps it survive
  4. 8. A glass building for growing plants or the warming effect on Earth
Down
  1. 1. To study something carefully to understand it
  2. 3. Something in an experiment that can be changed or measured
  3. 5. Facts and information collected from experiments
  4. 6. A state of matter that spreads to fill any space