The Earth System Vocabulary

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Across
  1. 4. a process in which substances change into different substances
  2. 6. the solid part of Earth
  3. 9. all the living things on Earth
  4. 12. a person who uses science knowledge to design something in order to solve a problem
  5. 15. the stuff that things are made of
  6. 16. the air that surrounds Earth
  7. 17. water in the form of invisible gas
Down
  1. 1. a description of how something works or why something happens
  2. 2. matter that is made of only one kind of atom or molecule
  3. 3. a group of atoms joined together in a particular way
  4. 5. when a gas turns into a liquid
  5. 7. when a liquid turns into a gas
  6. 8. to put together multiple pieces of information in order to understand something
  7. 10. a supply of something useful
  8. 11. all of the liquid water and ice on Earth
  9. 13. water that has been used and now contains harmful substances
  10. 14. what you can observe or measure about something that helps you figure out what it is