CK-12 Foundation
Ck 12: Uncertainty in Measurements
[Free Registration/Login may be required to access all resource tools.] In the following online lesson students will learn to distinguish between accuracy and precision in measurements and to also calculate the percent error of a...
TeachEngineering
Teach Engineering: Getting It Right!
In this lesson, learners will investigate error. As shown in earlier activities from navigation lessons 1 through 3, without an understanding of how errors can affect your position, you cannot navigate well. Introducing accuracy and...
Science Education Resource Center at Carleton College
Serc: Mn Step: Scientific Measurement: Reviewing Precision vs. Accuracy
This is a review lesson plan on the concept of precision vs. accuracy in the context of scientific measurement, intended to be used near the beginning of a Physics course. Young scholars practice measuring and reading scales accurately...
Science Education Resource Center at Carleton College
Serc: Precision in Measurement Finding When an Object Changes Color
This activity is an introduction to measurement, especially precision. Students should know the difference between precision and accuracy in measurement. They will be able to answer the questions: At what temperature does the mood object...
TeachEngineering
Teach Engineering: Close Enough?
Accuracy of measurement in navigation depends very much on the situation. If a sailor's target is an island 200 km wide, sailing off center by 10 or 20 km is not a major problem. But, if the island were only 1 km wide, it would be missed...
TeachEngineering
Teach Engineering: Measure Twice, Cut Once
Students learn the metric units engineers use to measure mass, distance (or length) and volume. They make estimations using these units and compare their guesses with actual values. To introduce the concepts, the teacher needs access to...
CK-12 Foundation
Ck 12: Unit Conversions, Error, and Uncertainty
[Free Registration/Login may be required to access all resource tools.] Students explore a science investigation learning module including conversions, error, and uncertainty in scientific measurement.
Quia
Quia: Plot Conflict Quiz
Use this ten question quiz to assess what you know about accuracy and precision. You may keep taking the quiz until you get 100% of the answers right.
Other
Houston Community College: Accuracy, Precision, and Significant Figures
Learn about the topics of accuracy, precision, and significant figures in this section of a physics textbook. Chapter can also be downloaded in pdf.
Virginia Tech
Virginia Tech: Precision Without Accuracy in Crime Scenes
A police forensics scientist discusses how precision will muddy the true accuracy of a crime scene. Interesting stuff. A new real world look at precision and accuracy.
TeachEngineering
Teach Engineering: Accelerometer: Centripetal Acceleration
Students work as physicists to understand centripetal acceleration concepts. They also learn about a good robot design and the accelerometer sensor. They also learn about the relationship between centripetal acceleration and centripetal...
OpenStax
Open Stax: Physics: Accuracy, Precision, and Significant Figures
This interactive site helps students determine the appropriate number of significant figures in both addition and subtraction, as well as multiplication and division calculations. They also calculate the percent uncertainty of a...
OpenStax
Open Stax: Physics: Approximation
On many occasions, physicists, other scientists, and engineers need to make approximations or "guesstimates" for a particular quantity. What is the distance to a certain destination? What is the approximate density of a given item? About...
TeachEngineering
Teach Engineering: Right on Target: Catapult Game
Students experience the engineering design process as they design and build accurate and precise catapults using common materials. They use their catapults to participate in a game in which they launch Ping-Pong balls to attempt to hit...
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Reporting Values From Measurements: Audio Book
An interactive tutorial showing how scientists should report measurements from their experiments. Shows the basics in a way that anyone can understand.
Shmoop University
Shmoop: High School: Number and Quantity: Quantities Hsn q.a.3
Standard HSN-Q.A.3 states: "Choose a level of accuracy appropriate to limitations on measurement when reporting quantities." This page explains what this standard means. Click on 'Sample Assignments' for some quick drills.
Science Education Resource Center at Carleton College
Serc: Mn Step: Study of Student Precision Using Volumetric Glassware
This activity is an exercise in using various lab equipment for measuring the volume of a liquid. Data is recorded on a spreadsheet and analyzed to see which tool offers the greatest precision.
Other
Plan to Learn: Kinematics 1: Speedometer Cubed Lab (Physics)
Determine the speed of an object using three different methods and to compare the accuracy and precision of the results of each method.
Texas Instruments
Texas Instruments: Learning Measurement Conversions Through Statistics
Students learn the conversion relationship between inches and centimeters through data collection. The data collected results from measuring items using inches and centimeters as the units. They use a TI-73 to input the data into lists...
PBS
Pbs Teachers: Scientific American: The Intimate Machine: Weighing In
Explore the "intelligent floor," which contains sensors that can track movements, and emulate the weighing technique associated with this technology. Explore the relationship between volume and mass and the difference between accuracy...
Quia
Quia: Accuracy & Precision
In this self-scoring 15 question analogy practice quiz, students select to correct word to complete the analogy.
Ministry of Education, Sports & Culture (Samoa) Government
Mesc: Samoa School Net: Limits of Accuracy
This module looks at the history of measurement, beginning with non-standard units, the advent of standard units (in this case metric), and when approximation or precision would be needed.
Illustrative Mathematics
Illustrative Mathematics: N q.a.3: Dinosaur Bones
The purpose of this task is to illustrate through an absurd example the fact that in real life quantities are reported to a certain level of accuracy, and it does not make sense to treat them as having greater accuracy. Aligns with N-Q.A.3.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Micrometer Model
Use this virtual model to simulate the basic operations and accuracy of a micrometer while manipulating the physical parts of the object.
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