STEM Crossword Puzzle

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Across
  1. 2. The five states of matter are solid, liquid, gas,bose einstein condensates and____?
  2. 4. Where egg cells of females are produced
  3. 8. The mouth of the volcano is called?
  4. 10. The artist who painted the painting "Starry Night" is ____ Van Gogh
  5. 11. A polygon with five sides is called a_______?
  6. 13. The capacity to do work
  7. 15. An angle with a measurement of 90 degrees is called a ____ angle?
  8. 16. The basic unit of life
  9. 18. He is the father of Biology
  10. 19. A large mass of stony material
Down
  1. 1. The answer in addition is called?
  2. 3. A triangle that has no equal sides is called a ____ triangle
  3. 5. The smallest planet in the solar system
  4. 6. The respiratory system is a series of organs responsible for taking n oxygen and expelling carbon dioxide
  5. 7. It is the standard unit of power
  6. 8. Consists of all of the contents outside of the nucleus and enclosed within the cell membrane of a cell.
  7. 9. The_______valve is also known as the bicuspid valve.
  8. 12. Produces male reproductive cells (pollen)
  9. 14. How many times does a secant line intersect a curve?
  10. 17. The outermost layer of the atmosphere is called the ____sphere