Curated OER
Acids and Bases: Together again!
Students identify principles behind acid-base reactions. They predict factors that may affect an acid-base reaction. Students identify questions and concepts that guide scientific investigations.
Teach Engineering
Skin and the Effects of Ultraviolet Radiation
Though UV radiation can damage skin, it isn't all bad. The third installment in a six-part series allows the class to study the structure and function of skin. They learn about the different types of skin cancer and the SPF rating...
Colorado State University
Why Is the Sky Purple?
The color of the sky depends on the time of day. Young scholars experiment with scattering different wavelengths of light to recreate the color of the sky. They observe both the longer blue wavelengths and the shorter red and orange...
Curated OER
I Have the Solution!
Students explain how to make solutions with specific concentration. For this chemistry lesson, students differentiate acids and bases. They calculate molarity of solutions.
Curated OER
Calorimetry Worksheet
In this chemistry worksheet, high schoolers answer the essay questions while focusing on the concept of measuring calories and there is a variety of types of problems.
Curated OER
Stoichiometry
Students research chemical formulas and balance chemical equations. In this chemical equations lesson students complete a class activity on chemical equations and answer questions.
Curated OER
Acid-Base Titration
Students determine the concentration of an unknown solution. This task assesses students' abilities to state hypothesis, develop procedures for investigation, plan for recording and organizing observations and data, collect data, create...