Science

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Across
  1. 2. a materials ability to float or sink is called?
  2. 3. the size and shape of a substance is called?
  3. 4. when a substance changes into a new one is called?
  4. 7. the role an organism plays within its ecosystem is?
  5. 8. a non native organism that causes harm to an ecosystem is?
  6. 10. the ability to be dissolved, especially in water is?
  7. 12. the group in an experiment that does not change is?
  8. 14. a large structure made of atoms or molecules in repeating patterns is?
  9. 15. the ease which a materials ability to can burn gasoline is flammability is called?
Down
  1. 1. the part of an experiment that you change to test its effect is?
  2. 5. an educated guess or prediction that can be tested is?
  3. 6. the variety of life on earth is?
  4. 9. a pure substance made of only one kind of atom is?
  5. 11. two or more atoms bonded together is?
  6. 13. a very large molecule made up of repeating smaller units is?