Matter and Elements

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Across
  1. 4. State of matter that forms at very high temperatures, like in stars.
  2. 6. The most common element in the universe.
  3. 9. The most common element in the Earth's crust.
  4. 10. Solids that do not have a crystalline structure are called ____ solids.
  5. 12. Another word for shine.
  6. 14. Most solids on Earth are _______ solids.
  7. 17. Element that is directly on the stair-step line but is not a metalloid
  8. 18. The elements on the right of the stairstep line are called ____.
Down
  1. 1. Most gases on Earth are found in the _____.
  2. 2. General term for anything that has mass and takes up space.
  3. 3. Able to be bent and molded
  4. 5. The most common liquid on Earth
  5. 7. A plasma forms when the atoms in a gas lose their _____.
  6. 8. The most common element in the core of the Earth.
  7. 11. Metals have _____ melting points.
  8. 13. An _____ is a type of matter that cannot be broken down into simpler substances.
  9. 15. Metalloids are ______ because they can conduct electricity, but not as well as a metal can.
  10. 16. Metals are located to the ____ of the stairstep line.