Accuracy vs. Precision
Authored by Cynthia Lee
Physics
10th - 12th Grade
NGSS covered
Used 1K+ times
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About
This quiz focuses on the fundamental physics concepts of accuracy and precision in scientific measurement, appropriate for grades 10-12. The questions assess students' understanding of the distinction between accuracy (how close measurements are to the true or accepted value) and precision (how close repeated measurements are to each other). Students need to grasp that these are independent concepts - measurements can be accurate but not precise, precise but not accurate, both, or neither. The quiz also introduces significant figures and measurement uncertainty, requiring students to identify estimated digits in recorded measurements. To successfully complete this assessment, students must interpret bullseye diagrams as visual representations of accuracy and precision combinations, analyze data sets to determine their accuracy and precision characteristics, and understand that the number of decimal places in a measurement indicates its precision level. Created by Cynthia Lee, a Physics teacher in the US who teaches grades 10 and 12. This quiz serves as an excellent formative assessment tool for introducing measurement concepts at the beginning of a physics course or chemistry unit involving laboratory work. Teachers can use it as a warm-up activity before hands-on measurement labs, as homework to reinforce classroom instruction, or as a quick review before more complex error analysis topics. The quiz effectively prepares students for laboratory experiences where they will collect and analyze data, make multiple trials of measurements, and evaluate experimental results. This assessment aligns with Next Generation Science Standards practices for analyzing and interpreting data (SP4) and supports Common Core mathematical practices in precision and accuracy (MP6), while addressing specific physics standards related to measurement and data analysis found in most state science frameworks.
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Student View
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How close a measurement is to the true value is called..
Accuracy
Precision
Significant
Estimate
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This bullseye demonstrates...
Tags
NGSS.MS-ETS1-3
NGSS.MS-PS3-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When a measurement is repeatable and consistent it is said to have...
Tags
CCSS.6.RP.A.3D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The metal is 7.1 cm long
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A set of data are all close to each other, but they are not close to the actual value. This set of data can be described as...
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A set of data are not close to each other, but the average of the data is very close to the actual value. This set of data can be described as...
Tags
CCSS.6.NS.C.8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is a measure of how close measurements come to each other when they are made in the same way
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