Lesson Plan
Curated OER

Hydrogen Peroxide Analysis

For Teachers 9th - Higher Ed
A scenario is presented for chemistry techs to address. Using titration techniques, they must analyze hydrogen peroxide solution samples. They evaluate accuracy and precision in the process. They also gain experience consulting the MSDS...
Lesson Plan
Curated OER

The Floating Egg Problem

For Teachers 9th - 12th
This is the grown-up version of the classic "float an egg in salt water" experience, plus an experiment in soap making. High schoolers explore density, but more importantly, practice accuracy, precision, and the use of significant...
Lesson Plan
Curated OER

Significant What?

For Teachers 9th - 12th
Young scholars define accuracy and precision, and differentiate between the two terms, apply the concepts of accuracy and precision to a given situation and correctly apply the concept of significant figures to measurement and...
Lesson Plan
Curated OER

Scientific Data: It's Not as Pretty as It Looks!

For Teachers 9th - 12th
The difference between accuracy and precision is fundamental for high school science learners. Using test kits for nitrate concentration in water, they compare readings with each other. They consider the accuracy, precision, and bias of...
Worksheet
Curated OER

Measurements and Their Uncertainty

For Students 10th - 12th
In this measurements instructional activity, students fill in 10 blanks, determine if statements are true or false, match 6 terms with the appropriate definitions, and solve 2 problems. Topics include converting to scientific notation,...