Winogradsky columns are ideal for observing the role of bacteria and other microorganisms in an ecosystem. This student activity guide is complete with data tables for observations and analysis questions for processing what was observed....

If only we could harness the energy of fifth graders, our energy problems would be over! The class discusses where different forms of energy come from and how we use them. They complete a chart of the activities that they do daily...

Using cabbage juice as a pH indicator, future scientists explore the effect of increasing carbon dioxide on the pH of the ocean and relate it to the health of coral reefs. Ideal for an earth or environmental sciences course, this lesson...

Your learners will get plenty of practice calculating expressions remembering to use order of operations in this worksheet.

Students explore elements by analyzing everyday objects and materials in class. For this carbon lesson, students define several vocabulary terms such as carbon dioxide, hydrocarbon, and carbonate. Students view a group of items,...