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Accuracy and Precision Lab

Accuracy and Precision Lab. Unit 1 Day 7 Sept 18/19, 2012. Do Now (put in your notes for today ) Done? Silently read the lab directions for today. Convert the following numbers to Scientific Notation:. Convert the following to Regular Notation:. 2.33 x 10 -4 8.09 x 10 5 8.1001 x 10 -2

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Accuracy and Precision Lab

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  1. Accuracy and Precision Lab Unit 1 Day 7 Sept 18/19, 2012

  2. Do Now (put in your notes for today)Done? Silently read the lab directions for today Convert the following numbers to Scientific Notation: Convert the following to Regular Notation: 2.33 x 10-4 8.09 x 105 8.1001 x 10-2 6.00 x 109 9.0889 x 100 • 405000 • 0.00923 • 23 • 0.00002003 • 679.02

  3. Do Now(in your notes)Match each definition below with the correct word on the right. • the red diamond on the chemical diamond, this symbol • easily evaporated • what you use to clean up an acid spill • the degree of exactness of a measurement that is repeatedly recorded. • a measure of how close a value is to the true value • what you use to protect your eyes during lab • Volatile • Precision • Flammable • Goggles • Accuracy • weak base or baking soda

  4. Today’s Objective • SWBAT compare and contrast precision and accuracy. • SWBAT give examples of precision and accuracy.

  5. A1 Announcements • The following people need to make up Do Nows: • Jackie • Leobardo • Chris

  6. A2 Announcements • The following people need to make up Do Nows: • Vanessa Sarmiento

  7. A3 Announcements • The following people need to make up Do Nows: • Daniela • Vanessa

  8. B1 Announcements • The following people need to make up Do Nows:

  9. B2 Announcements • The following people need to make up Do Nows: • Carolina

  10. B3 Announcements • The following people need to make up Do Nows: • Alex G. • Berenice

  11. Page 1 • Lab Write Up Directions • Stapled/taped/glued

  12. Page 2 • Table of Contents TitleDate Accuracy and Precision Lab 9/13/12

  13. Page 3 • I: Title – Accuracy and Precision Lab • II: Purpose - …. Copy from handout • III: Hypothesis - …. Your best guess • IV: Materials – …leave blank for now • V: Procedure – Refer to Accuracy and Precision Lab handout provided by Ms. O’Neil

  14. Page 3 • VI: Data Collection

  15. Page 3/4 • VII: Assigned Questions (answer in complete sentences) • 1. Were your numbers accurate? Why do you think so? • 2. Were your numbers precise? Why do you think so? • 3. If you were to do this again, do you believe your numbers would be more accurate or more precise? Why?

  16. Page 3/4 • VIII: Conclusion - …

  17. A2 – Only Procedure 1 • Take out a piece of paper and tear into 8 pieces.

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