Curated OER
Charles’s Law
High schoolers describe the relationship between temperature and volume. In this chemistry lesson, students perform an experiment and record their their results. They use Charles' law to explain their observations.
Curated OER
pH of Household Products
Tenth graders are provided with a piece of paper such as index, art, construction, or computer coating it with a universal indicator. They use cotton swabs HCl and NaOH to draw a picture repeating the same process using lemon juice and...
Curated OER
Activity #14 Floating Bubbles
Young scholars comprehend that Carbon dioxide gas is relatively easy to generate. They comprehend that one way to produce it is with dry ice. Pupils comprehend that carbon dioxide gas can also be produced by combining baking soda with...
Exploratorium
Bubble Tray
Create jumbo bubbles and use them to teach about surface tension or interference, perfect for a physical science lesson on light or molecular attraction.
Curated OER
How Soft or Hard is Your Water?
Young scholars test samples of water to determine how a chemical water softener affects water's ability to form suds. After collecting their data and analyzing their results, students answer follow-up questions about their lab.