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...

Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...

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...

In a comprehensive role playing activity, teens play the parts of different stakeholders in the realm of acidic oceans. They research, debate, and create a presentation from the perspective of either ocean organisms, the fishing...

Students explore energy by researching fuel usage on Earth. In this fossil fuel lesson, students define fossil fuels, the energy created by burning them, and the impact on the environment when using them. Students conduct pollution...