Learners explore the Earth's crust by researching pH levels and acidity. In this environmental safety lesson, students identify the pros and cons of acidity within soil and how it affects plants. Learners collaborate in a pH level...

Students analyze everyday materials to determine whether they are acids, bases, or neutral. In this chemistry lesson, students investigate the pH of various house hold products. They discuss why it is important to know if substances are...

Students identify and analyze how acid rain can affect the environment. They then explain how air, water, and pollution interact and conduct pH tests to find acidity levels in water. Finally, students become "Pollution Watch Reporters"...

Fifth graders investigate evidence for changes in matter that occur during a chemical reaction.

Fourth graders engage in a research project to increase their ability to conduct experiments, interpret data and discuss results in a scientific paper. After doing a lab which simulates effects of acid rain, pairs of students write a...

In this elements worksheet, students review the most common elements found in living things. Students color in two pictures with the percentages of the elements found in that living thing.