Curated OER
Pop Rock Chemistry
In this pop rock chemistry worksheet, middle schoolers suck on pop rocks, they mix open pop rocks with water and they observe them on a paper towel with water. Students write down as many observations as they can and they write down as...
Curated OER
Molar Ratio
Students conduct an experiment in which they react sodium bicarbonate with hydrochloric acid to determine the molar ration between the two reactants. Students must write correct formula and a balanced chemical equation and explain how...
American Chemical Society
American Chemical Society: Development of Baking Powder
The invention of baking powder had a huge impact on bakers' ability to produce and distribute bread to large numbers of people. The history of this lowly ingredient is presented, along with a chemistry lesson plan for secondary students.
![Women in Mining: Toothpaste With a Twist [Pdf] Activity](http://content.lessonplanet.com/resources/thumbnails/410013/large/bwluav9tywdpy2symdiwmduymc0ymdu4ms0xnhlid28uanbn.jpg?1589984701 "Women in Mining: Toothpaste With a Twist [Pdf] Activity")
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Women in Mining: Toothpaste With a Twist [Pdf]
In this activity, students work in groups to create their own toothpaste in order to learn about the rocks and minerals it contains. Includes discussion questions and extension activities.
Museum of Science
Museum of Science and Industry: Online Science: Create Gas
Follow these simple, step-by-step instructions to create and observe the results of the chemical reaction between vinegar and baking soda.
American Chemical Society
Middle School Chemistry: Forming a Precipitate
This diagram illustrates a chemical reaction forming a precipitate.
Science Struck
Science Struck: Washing Soda vs. Baking Soda: Definitive Comparison
This article explains the chemical composition of washing soda and of baking soda and how each is used.
Science Struck
Science Struck: Baking Soda: Chemical Formula, Preparation, and Uses
Baking soda has a variety of uses, including for household cleaning and for baking. Read about its chemical formula and its common reactions.