Scientific Measurements (Chemistry Unit 2)
Across
- 3. An even distribution of substances in a mixture is called _______________
- 7. (Actual - Experimental) / Actual x 100% (2 words)
- 11. add all your numbers and divide by the sum of the numbers (otherwise known as an average)
- 12. a combination of two or more elements
- 14. The most abundant state of matter in the universe
- 18. Fixed particles that have vibrational movement
- 19. Liquids that do not dissolve can layer into a Density __________________
- 20. To estimate a number within a range of numbers based on a graph
- 21. Amount of matter in a substance
- 23. A physical or chemical property that does not depend on the amount of substance that is present
- 26. the simplest form of matter
- 27. A unit of measurement that is based on a standard is _____________
- 28. The force exerted on an object by gravity
- 30. To estimate a number outside a range of numbers based on a graph
- 31. How close your measurements are to one another
- 32. State of matter with particles that can rotate, translate, and vibrate
- 33. A number (sometimes a decimal) between 1 and 10
Down
- 1. A power of ten that we multiply our coefficient by in scientific notation - Second ________
- 2. A sub-zero superfluid, the fifth state of matter - Bose-Einstein ______________
- 4. anything that has mass and takes up space
- 5. How close you are to the correct measurement
- 6. Amount of mass per unit of volume
- 8. The way we typically express numbers - ____________ Notation
- 9. State of matter with the lowest density
- 10. Mass can neither be created nor destroyed. This is called the Law of _________________ of Mass
- 11. The most common number in a set of numbers
- 13. International system of Metric Units (2 Words)
- 15. The numbers we are sure of in a measurement plus one estimated digit - _________ Figures
- 16. A unit of measurement that is made up of multiple other units is ___________
- 17. The change in y divided by the change in x
- 21. The middle number in a set of numbers
- 22. An uneven distribution of substances in a mixture is called ___________
- 24. A way of expressing very large or very small numbers - __________ Notation
- 25. A physical or chemical property that depends on the amount of substance that is present
- 29. The amount of space an object takes up