Matter n' Such

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Across
  1. 2. steps used to gain knowledge in science experiments
  2. 4. testable explanation or prediction for your question if..then..statement
  3. 6. anything that has mass and takes up space
  4. 8. group of 2 or more atoms held together by bonds
  5. 11. amount of matter in an object
  6. 12. a change that can be observed
  7. 15. the results revealing whether your hypothesis was correct or incorrect
  8. 16. measure of mass of a material in a given volume
  9. 18. substance made of 2 or more elements in a set ratio
  10. 19. measure of the force of gravity on an object
  11. 20. using your observation to formulate a specific question
  12. 22. basic unit of all matter
  13. 23. the factor you measure and observe
  14. 24. a controlled way to test your hypothesis
  15. 26. a change that causes one thing to become something else
Down
  1. 1. single kind of matter that always has a specific make-up
  2. 3. using your information collected during the experiment in a mathematical format
  3. 5. using the 5 senses to perceive something in the world around you
  4. 7. gathering existing information
  5. 9. does not have a definite volume or definite shape
  6. 10. made up of only one type of atom - pure substance
  7. 11. 2 or more substances that are together in the same place
  8. 13. has a definite shape and volume
  9. 14. changing one type of measurement to another
  10. 17. amount of space that matter takes up
  11. 21. the factor you change
  12. 25. has definite volume but not definite shape