Sludge

In this petroleum products activity, students are given the components of crude oil and they graph the various products found in a 50 gallon barrel. Kids complete an activity to determine if they have collected cards that represent all...

Is it possible to have a waste-less lunch? Can your class become leaders in conservation? Discuss the importance of reducing waste during lunch time with a fun lesson that can be extended to everyday practices. First the class examines...

During a three-part instructional activity, learners make a cabbage juice pH indicator and use it to analyze the waste products of yeast after feeding them with sugar. The intent is to demonstrate how living organisms produce carbon...

Can your breath change the acidity in a liquid? A lesson begins with a demonstration that proves it can. Then scholars perform an experiment to determine if other gases can change the pH of liquids. Finally, they research how this...

More than 90 percent of chemical products are made using a catalyst. Lesson demonstrates the way a catalyst changes the rate of reaction without altering the chemical reaction. A catalyst doesn't appear as a reactant or a product, yet it...

In 2018, the average fast food burger cost $2.64 while a salad averaged $4.14. Does the price difference matter to public health? Scholars consider that question and others in a brainstorming session about improving our global food...

Everyone enjoys combining baking soda and water. Here is a lesson that challenges scholars to analyze the reaction three different ways — the real substances, the chemical equation, and the molecular models. Class members experiment to...

In this recycling worksheet, students explore the topic of hazardous waste and then answer 8 fill in the blank questions pertaining to recycling.

Students identify sources of home hazardous waste and create posters to educate the community about how to handle hazardous wastes.

Breathe some life into product design. Pupils learn about the stages of product creation, use, and disposal—sometimes called a cradle-to-grave assessment. They see how this cycle relates to the life cycle of organisms.