Science Education Resource Center at Carleton College
Serc: Mn Step: Scientific Measurement: Reviewing Precision vs. Accuracy
This is a review lesson on the concept of precision vs. accuracy in the context of scientific measurement, intended to be used near the beginning of a Physics course. Students practice measuring and reading scales accurately and...
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.
Texas Education Agency
Texas Gateway: Ap Physics: 1.3 Accuracy, Precision, and Significant Figures
By the end of this section, you will be able to do the following: Determine the appropriate number of significant figures in both addition and subtraction, as well as multiplication and division calculations and Calculate the percent...
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...
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...
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.
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.
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.
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.
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...
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.
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...
Science Buddies
Science Buddies: Measuring Up
Measurements are very important for scientists. It is especially important that the measurements be accurate. Think about how important accuracy is when you want to know if you are taller than a friend of yours, every inch counts. In...
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...
Quia
Quia: Accuracy & Precision
In this self-scoring 15 question analogy practice quiz, students select to correct word to complete the analogy.
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...
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.
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...
University of California
University of Calilfornia: Significant Figures Ii
This site from the University of California provides a lengthy and intelligent discussion of sig figs, absolute and relative precision, accuracy, precision in calculations, rounding off, and the whole shooting match of how we report what...
Shodor Education Foundation
Shodor Interactivate: Estimator Four
This applet game for two allows you to practice estimating at several different levels of accuracy. You can choose whole number addition, multiplication, percentages or any combination of the three.
Shodor Education Foundation
Shodor Interactivate: Comparison Estimator
Use this applet to practice your estimating skills comparing length, area, counting or a random sampling of those topics. You can also adjust the difficulty and the precision needed. The applet also lets you know how close you are to the...
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.
Illustrative Mathematics
Illustrative Mathematics: N q.a.3: Calories in a Sports Drink
The goal of the task is to stimulate a conversation about rounding and about how to record numbers with an appropriate level of accuracy, tying in directly to the standard N-Q.3. Aligns with N-Q.A.3.
CK-12 Foundation
Ck 12: Plix: Measurement Uncertainty
[Free Registration/Login Required] In this interactive you will measure the box against the three different rulers to best determine the height of the box with each ruler. You will need a sign-in to access this media, but it will be well...
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