Across
- 1. ability of fluid to exert upward force on object
- 5. how much space something takes up
- 7. state of matter with more energy than gas
- 11. uniformly mixed
- 14. heterogeneous mixture where visible particles settle
- 17. group that the test results are compared to
- 18. made up of atoms of 2 or more elements
- 19. different materials; easily separated
- 22. energy needed to go from a solid to liquid
- 23. series of procedures to solve a problem
- 24. anything that has mass & volume
- 25. prediction of what will happen; educated guess
- 28. force exerted per unit area
- 29. explanantion based on knowledge gained from many observations & investigations
- 31. changes from one substance to another
- 34. temperature goes up, volume goes up in a gas
- 35. separating substances by evaporating a liquid
- 36. statement about what happens in nature & is true all the time
- 37. doesn't change identity of substance
Down
- 2. heterogeneous mixture of 2 phases of matter
- 3. increase in size when temperature is increased
- 4. temperature at which a liquid becomes gas
- 6. data; what you measure; depends on independent variable
- 8. mass before reaction = mass after
- 9. light passes through a colloid
- 10. temperature at which a solid becomes liquid
- 12. particles of matter are in constant motion
- 13. substance made up of atoms that are all alike
- 15. resistance of fluid to flow
- 16. variable that does not change between the 2 groups
- 20. homogeneous mixture where a solute dissolves in a solvent
- 21. what I change in the experiment
- 22. energy needed to go from liquid to gas
- 26. solid changing directly to gas
- 27. volume goes down, pressure goes up in a gas
- 30. tests a hypothesis
- 32. how much of something there is
- 33. mass per unit volume