Material and Their Structure

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Across
  1. 8. – Solid changes directly into gas.
  2. 9. – Water turns into gas during this process.
  3. 11. – A pure substance made of only one type of atom.
  4. 12. – Liquid turns into solid.
  5. 15. – Water falls from clouds as rain, snow, or hail.
Down
  1. 1. – Has fixed volume but takes the shape of its container.
  2. 2. – Gas turns back into liquid.
  3. 3. – Has no fixed shape or volume; particles move freely.
  4. 4. cycle – The continuous movement of water on Earth.
  5. 5. – Solid turns into liquid.
  6. 6. – A compound made from hydrogen and oxygen.
  7. 7. – Has fixed shape and volume.
  8. 10. – The smallest particle of matter.
  9. 13. – Two or more substances mixed but not chemically joined.
  10. 14. – Formed when two or more elements join chemically.