Creating a Freshwater Ecosystem

Life comes in all different shapes and sizes, and fish are no exception. Here, young scientists create fish prints as they learn how specific characteristics allow different species to survive in their particular habitats.

Plants provide a variety of delicious foods essential for human survival. In the fourth lesson of this series on food science, young scientists investigate common fruits, vegetables, and grains in order to determine which plant part is...

Take time to appreciate the beauty in the anatomy of animals with this cross-curricular art and science activity. After viewing examples of fish-themed artwork, children complete the included worksheet by labeling the...

Today very few animals exist with both an endoskeleton and exoskeleton. Yet, in the Devonian period, a large number of fish species lived with both. Scientists debate if they were for protection or mineral storage, because none of them...

The coral reef ecosystem is abundant and lively. Dive in for an underwater view of the species living there. Polyps, urchin, barracudas, and eels (among others) exist in part because of the sun's presence in this ecosystem. Use this as...

Students engage in a lesson that is concerned with the concept of ecosystems. They focus upon conducting research to find information about the water ecosystem. The facts are used as influence to create a drawing of an underwater...

A fish's size, fins, and shape can tell us a lot about them! Learners explore fish anatomy to see how species use camouflage, scales, shape, and coloration to survive. The lesson includes advanced vocabulary such as fusiform shape,...

Modern industrial fishing has disrupted many ecosystems. But will fishing techniques ever cause the oceans to run out of fish? Watch a video that explains the effects of overfishing.

Mia's friends are fish-sitting while she is away on vacation. Zoe divulges to Sam that different animals need different habitats, and that there are both freshwater and saltwater ecosystems. Examples of the kinds of organisms found in...

Eager ecologists explore ecosystems through video and photographs of a Mangrove. They discuss the animals in this habitat and how they interact with each other after reading and discussing "The Sea, the Storm and the Mangrove Tangle."...