Physical & Chemical Changes

12345678910111213141516171819202122232425262728
Across
  1. 1. Why is it the name of horizontal rows called this?
  2. 4. The steam that came out of the water
  3. 6. After being at 100 degrees for a while, it started to disappear
  4. 7. Why does have to represent vertical columns?
  5. 9. Why are there just one?
  6. 10. Does this help with making more reactions?
  7. 11. Dry ice is the product of this
  8. 15. Sub-atomic particles are involved with the making of it
  9. 17. Why is this pure substance only made oxygen?
  10. 18. Why are there two water atoms?
  11. 20. I need a procedure to make new chemicals
  12. 22. A 3D arrangement of particles in a pattern? Sounds cool!
  13. 23. They have a relationship between each other
  14. 24. What's all this gunk on the piece of metal over there?
  15. 26. It is on the left side of the arrow in an equation
  16. 27. I need to add two different substances to create something new
  17. 28. It is on the right side of the arrow in an equation
Down
  1. 2. There are only a pair of atoms here?
  2. 3. This will become a gas, easily
  3. 5. Is there any point of arranging elements by their chemical properties?
  4. 8. Why does this substance smell so weird?
  5. 12. Repeat the thing by making a very long chain
  6. 13. How are there more particles in this?
  7. 14. Why is my ice-cream doing this?
  8. 16. A couple of elements on this thing sounds like something difficult.
  9. 19. Particles keep crashing into each other
  10. 20. It's so interesting to see steam on your shower turn into water
  11. 21. Two atoms combine together to become superheroes.
  12. 23. Water at 100 degrees is really interesting
  13. 25. I gotta increase the speed of it but I can't change it chemically