Across
- 6. gaseous state of matter, the fourth state of matter but not as common
- 8. pure substances with 2+ elements
- 10. one type of metter, cannot be broken down by chemical changes
- 13. measure of amount of matter in an object
- 14. Greek word that means "small"
- 15. standards for units fixed by international agreements
- 18. rigid, has a definite shape (state of matter)
- 21. all digits in a measurement including uncertain last digits
- 22. measure of the amount of space occupied by an object
- 24. units of this intensive property include kelvin and celsius; refers to hotness and coldness
- 25. Science, technology, engineering, math
- 27. smallest particle of an element that can enter into chemical combination
- 29. ability to change from one type of matter to another
- 31. takes both shape and volume of container (state of matter)
- 32. table of elements that places element with similar properties closely
Down
- 1. abbreviations for gas (g), liquid (l), etc
- 2. tentative explanation of observations
- 3. same category as celsius; unit of temperature
- 4. consists of 2+ atoms joined by chemical bonds
- 5. Greek word that means "large"
- 7. study of composition, properties & matter
- 9. always produces 1+ types of matter that differ from present before change
- 11. characteristic of matter with no change of chemical composition
- 12. fluffy, mixture of air and water (solids, liquids and gasses)
- 16. examples are liters, pounds,centimeters, meters,kilograms
- 17. confused with mass, but refers to force of gravity on an object
- 19. anything that occupies space and has mass
- 20. flows and takes shape of container (state of matter)
- 23. what is chemistry sometimes referred to
- 26. ratio of mass of a sample of a substance and its volume
- 28. one type of matter that has constant composition
- 30. change in state or property but without chemical identities