Chain Crosswords Medium Chain Nature Medium — Set 13

Medium 13×13 Set 13
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Across
  1. 1. The steps followed to do an experiment
  2. 7. The rate at which something speeds up
  3. 8. To write down information for later use
Down
  1. 2. A pure substance made of only one type of atom
  2. 3. How hot or cold something is
  3. 4. The power that makes things move or change
  4. 5. The amount of matter in an object
  5. 6. Vibrations that travel through the air and are heard by ears