Nutrient Enrichment vs. Oxygen Depletion

Students engage in lesson concerned with the concept of the ozone layer. They write a reflective journal using prior knowledge. Students read sources of information about the existence of a hole in the ozone layer. Finally they create...

Act out the circulation of blood in the body with an innovative activity. Kids act as either body parts or blood, and carry necessary nutrients and waste throughout different stations to represent the way that oxygen circulates. 

Observe two different water samples and write down observations. Write a paragraph which predicts the relative amounts of nutrients, nitrates, and phosphates in the water samples. Compare water samples under a microscope.

For this water worksheet, students read an excerpt about the effects of pollution on the life cycle of a lake. Then they describe how lakes are affected by the pollution. Students also define why pollution has become such a problem for...

Small but mighty! Learners explore the role of microbes in a healthy ecosystem. An engaging lesson asks pupils to design an aquaponics system that demonstrates that healthy microbes are necessary to maintain the ecosystem.

In this eutrophication instructional activity, learners first read about eutrophication, then complete 3 short answer questions and a word search puzzle. Worksheet gives a reference web site for additional activities.

Students try to complete a maze with a mirror to simulate one way astronauts experience disorientation in space. In this disorientation lesson plan, students complete the maze and use a spinning chair to get dizzy to see the effects...

Another A+ lesson on the impact of climate change comes to you from the National Earth Science Teachers Association. In this installment, learners model the stratification of water in lakes due to temperature differences. The lab also...

Middle schoolers investigate the causes of hypoxia, the characteristics of a watershed, and how the actions and management practices of people can both negatively and positively affect aquatic ecosystems.

Students participate in activities that familiarize them with what Earth Day is, why it is important, and why it is a celebration.