This lesson plan is part of the DiscoverySchool.com lesson plan library for grades 6-8. Students conduct research and field work to evaluate the importance of frogs in their local ecosystem and why a frog is uniquely suited to its habitat. Included are objectives, materials, procedures, discussion questions, evaluation ideas, suggested readings, and vocabulary. There are videos available to order ... Full description.

This Classroom Connectors lesson plan teaches students to identify ways in which plants and animals are affected by and respond to various environmental stimuli, including light, water, and gravity. The site provides goals, objectives, an outline, time required, materials, activities, and closure ideas for the lesson. The Classroom Connectors address content with an activity approach while incorporating ... Full description.

This website is one of Public Broadcasting System's (PBS) Living Edens. The site includes material on turtles and other animals including crocodiles and caimans, ants, monkeys, poison dart frogs, quetzals, snakes, and butterflies. Users can also read about Arenal Volcano, and about visiting parks in Costa Rica including Arenal National Park, Poas Volcano National Park, Palo Verde National Park, Tortuguero ... Full description.

This lesson plan is part of the DiscoverySchool.com lesson plan library for grades 6-8. It focuses on a current controversary among scientists over whether dinosaurs were warm-blooded or cold-blooded. Students research both sides of the argument and then present a debate over this topic. It includes objectives, materials, procedures, discussion questions, evaluation ideas, suggested readings, and ... Full description.

This lesson plan is part of the DiscoverySchool.com lesson plan library for grades 6-8. It focuses on icebergs and water salinity, as well as the environment of the continent of Antarctica. Students research this area and do an experiment demonstrating the relationship between water salinity and ice floating or sinking in the ocean. Included are objectives, materials, procedures, discussion questions, ... Full description.

This website integrates video footage and information with lesson plans and activities to teach students about the intertidal zone of the oceans. This zone is a habitat for only a few species due to extreme fluctuations in moisture level, heat, salinity, and sunlight. The activities in this unit are designed to enable students to investigate the creatures of these zones and how they have adapted to ... Full description.

In this lesson, students examine the rich array of marine wildlife that lives in waters surrounding the Indian subcontinent, explore the relationships among organisms in coral reefs, and learn about environmental dangers to coral reefs and research methods to protect them. Students will use the Internet to conduct research about scientific discoveries and environmental protection activities, discuss ... Full description.

This activity will help students understand algal blooms. They will devise their own experiments to test the effects of nutrients on algal growth, or younger students may follow the steps outlined in a sample activity which is provided. Students will be reminded that they need to have controls and replicates in their experiments. As a result of this activity, students will come to understand the requirements ... Full description.

In this lesson, students will investigate absorption, reflection, and scattering of light in the deep sea and discover the concept of bioluminescence. As they proceed, they will learn that white light (visible light) is comprised of all colors of the spectrum, that the quantity of light decreases with increasing depth in the ocean, the quality of light changes with increasing depth, and that red light ... Full description.

In this activity, students observe nutrient depletion as they germinate and grow nutrient-demanding seedlings. They will discover that all plants require nutrients to grow and thrive and that these nutrients are found in the soil and absorbed through the plants' root systems. They will also learn that nutrients are dissolved in water and are distributed throughout the plant via its circulatory system; ... Full description.