CK-12 Foundation
Ck 12: Physical Science: Accuracy and Precision
[Free Registration/Login may be required to access all resource tools.] Accuracy and precision of measurements.
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: Launch Into Learning: Catapults!
Learners learn about catapults, including the science and math concepts behind them, as they prepare for the associated activity in which they design, build and test their own catapults. They learn about force, accuracy, precision and...
Texas Instruments
Texas Instruments: Getting Started With the Fundamental Topics of Science App
The Fundamental Topics in Science App provides information and activities to help students explore and understand topics in Middle School and Secondary Science. Each topic consists of overviews, observations, and appropriate activities....
Texas Instruments
Texas Instruments: Fundamental Topics in Science App
This App provides information and activities to help students explore and understand topics in Science such as significant figures, precision and accuracy, scientific notation, and the scientific method.
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.
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.