1 / 12

Physics Chapter 1, Section 2

Measurement: Errors, Accuracy, and Precision. Physics Chapter 1, Section 2. August 17, 2011 HW: Physics to Go (PTG)-pg. 32, #6-9. Do Now (NB pg. 6 ) WDYS & WDYT- TB pg 22 Success Criteria Calibrate the length of a stride Measure a distance by pacing it off and by using a meter stick

carsyn
Download Presentation

Physics Chapter 1, Section 2

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Measurement: Errors, Accuracy, and Precision Physics Chapter 1, Section 2

  2. August 17, 2011HW: Physics to Go (PTG)-pg. 32, #6-9 • Do Now (NB pg. 6) • WDYS & WDYT- • TB pg 22 • Success Criteria • Calibrate the length of a stride • Measure a distance by pacing it off and by using a meter stick • Identify sources of error in measurement • Evaluate estimates of measurements as reasonable or unreasonable • Complete various metric conversions • Agenda: • Do Now • 1.2 Measurement: Errors, Accuracy, and Precision • Physics Talk • Metric Mania • Homework: • PTG, pg. 32, #6-9

  3. Investigate pg. 23-24 • In your notebooks: READ ENTIRE INVESTIGATE • Turn all questions (1-8) with pencils next to them into statements in your notebook • Do 1-8 in your notebooks

  4. Example: • For 2a you will put the statement in your notebook as:” The number of strides is__________.” • For 3a you will put in your notebook “The measurement is___________.” • For 4a you will put in your notebook” The calculations are___________.”

  5. Materials • After turning all of the text (where pencil is at #s 1-8)from the book into statements. • Check off with Mr. LePera and pick up a meter stick • Mr. LePera has taped off the distance for you in the hallway. • Keep in mind…..Disruptions in the hallway will cause your group to do the work inside the classroom, and outside classroom privileges will be revoked!!! • Do your lab in the hallway and finish in the classroom.

  6. HW: Finish PTG #6-9 • Do Now (below data for 1.2 in notebook): • What is the difference between a systematic error and a random (human) error? • In your groups answer #9 on TB pg. 24 in your notebooks, be prepared to share out

  7. Physics Talk • What are Random Errors? • Produced by measuring tools and human mistakes • Cannot be corrected by calculations • Can never be eliminated

  8. Physics Talk • What are Systematic Errors? • Can be avoided • Corrected by calculations • Example: If I accidentally measured in inches, when I was supposed to measure in centimeters, I could convert to get the right numbers

  9. Physics Talk • What is accuracy? • What is precision? • How close to an accepted value • Example: Shooting on goal in soccer • Frequency of results • Always hit close to the same spot • Example: Always missing wide right when shooting the ball in soccer

  10. Metric Conversions Ladder Method T. Trimpe 2008 http://sciencespot.net/

  11. August 17, 2011HW:PTG pg. 32 #6-9 • Do Now: In your notebook (below notes) answer the following: • WDYTN? TB Pg. 30 • Reflecting on the Section Challenge: TB pg. 31 • How will what you learned in 1.2 help you with your chapter challenge (pg. 3) • Success Criteria • Calibrate the length of a stride • Measure a distance by pacing it off and by using a meter stick • Identify sources of error in measurement • Evaluate estimates of measurements as reasonable or unreasonable • Complete various metric conversions • Agenda: • Collect Metric Mania • Do Now • Success Criteria • PTG pg. 32 #6-9

  12. Quiz 1.2

More Related