For this science:  food quiz worksheet, students answer 20 questions, not interactively, about food, then scroll down to check their answers.

For this sentence completion worksheet, middle schoolers complete sentences by filling in the blanks for 2 words in each sentence. Students complete 10 sentences.

Seventh graders research organisms in the Merritt Island National Wildlife Refuge. They create a picture book demonstrating their understanding of relationships.

Students role play a living wetland food web. They trace the food web associated with the items in their lunch.

Is the food chain shown above accurate? Does the first link depict a producer, the second link a herbivore, and the third link an omnivore / carnivore? Students must correctly determine whether a species is a producer or consumer, and...

Omnivores, herbivores and carnivores are waiting for you. The food chain comes to life at this friendly site.

Students construct possible food webs for six different ecosystems as they learn about the roles of producers, consumers, herbivores, carnivores and decomposers.

Create the parameters of your own ecosystem by choosing which producers and consumers live there. Visualize how the food web operates and species populations change. This simulator mimics the food web within a typical ecosystem and gives...

A very informative site that discusses food chains and webs in detail. Not too complicated and fairly easy to understand, it also includes some pictures.

Ecosystems contain two kinds of commodities: matter (nutrients) and energy. Nutrients cycle through the ecosystem, available for repeated use by organisms. These cycles of use and reuse are called biogeochemical cycles. Energy instead is...

How would you define an ecosystem? Check out this educational resource to learn more about the living and nonliving parts of different ecosystems.

[Free Registration/Login Required] Through this flipchart students will be able to summarize and organize simple food chains.

In this lab, students will complete a field study about feeding relationships between organisms and present their findings in a food web as well as in a written narrative.

A video and a short multiple-choice quiz on food chains that explains how energy flows through the chain, beginning with plants.

A video and a short multiple-choice quiz on food webs that explains the difference between food webs and food chains, and the relationships that exist between organisms.

Young scholars learn about energy and nutrient flow in various biosphere climates and environments. They learn about herbivores, carnivores, omnivores, food chains and food webs, seeing the interdependence between producers, consumers...

Discover how energy flows as part of a food web. Identify the ultimate source of energy for organisms on Earth.

A brief look at what fossilized remains teach us about Ornitholestes, a carnivorous dinosaur "very closely related to the evolutionary line that produced the birds." Read facts about its size, anatomy, and diet, and view images showing...

Describes the characteristics of a tundra biome, how a tundra food chain compares to a tropical food chain, and what the different trophic levels look like.

Lesson plan to construct and explain a food chain. Includes games and activities to teach and reinforce concepts.

Students will use a card sorting activity to construct a food chain and identify the role of organisms within that chain. The cards represent different individuals in an ecosystem and will help students begin to understand the concepts...

[Free Registration/Login may be required to access all resource tools.] About 10,000 bird species belong to 29 different orders within the class Aves. The diversity among birds is striking. Birds can vary greatly in size and color. Some...

Army ants live in Central and South America. They have a completely carnivorous diet. Learn more about the army ant in this well-constructed overview produced by the BBC. This resource includes a series of videos and images showcasing...

[Free Registration/Login Required] An informational text explaining important vocabulary involving the food chain. A question sheet is available to help students build skills in reading comprehension.