Standard 4-Ecosystems

Purifying air and water, providing soil in which to grow crops, and moving water through its natural cycle are all services an ecosystem provides that benefit humans. Lesson four in a series lets learners explore and discuss the value of...

A food web has no organism higher than a tertiary consumer because there wouldn't be enough energy left to sustain them. The fourth installment in a seven-part series begins with a nature walk to get pupils thinking about their...

In this human impact on the environment worksheet, students fill in the blanks to complete sentences about how humans have negatively affected the environment. They complete sentences about the actions taken to reduce and repair the...

The Aspen FACE (free-air carbon dioxide enrichment) Experiment was set up in Wisconsin to assess the effects of increased carbon dioxide and ozone on forest ecosystems. Environmental science learners examine and graph the growth index...

Tenth graders conduct various activities utilizing the scientific method to formulate a hypothesis, conduct a controlled experiment, collect and analyze the data and communicate their results through a poster. They also identify...

It's a jungle out there! Young biologists journey to Darien, Panama to examine the intricate relationships between the organisms that inhabit the jungle. Groups begin by demonstrating an understanding of energy flow in ecosystems, then...

Young scientists play tag as they act out the food pyramid in the ocean ecosystem. Energy circles pass from the smaller prey to the predators and at the end of the activity, a data chart and analysis questions allow pupils to apply their...

Plankton: so much more than just a SpongeBob character. Three different activities have kids looking at both phytoplankton and zooplankton in pictures, as well as collecting their own samples (depending on your access to a saltwater...

What caused the dust bowl, and should we worry about it happening again? Scholars look at various data to come up with their hypotheses. Then, they experiment to find some of the factors that contributed. Finally, the video has them look...

High schoolers research abiotic and biotic factors concerning the concept of an ecosystem. Record and analyze data collected. Write a lab report in proper and scientific format with thinking and analytical skills. Work as a cooperative...