In the ecological game of who eats who, one small change can have a big impact! Individuals create food chains in an array of ecosystems, then determine what happens to organisms in the chain when one organism changes its feeding...

Take a drift in the ocean. Class members watch a video on plankton, the drifters of the ocean. Scholars find out about the different types of plankton and sea jellies. To add a little variety, they use the aquarium webcams to study sea...

For as small as they are, plankton sure play an enormous role in maintaining marine ecosystems. Dive into an investigation of these tiny organisms with a hands-on life science activity in which children cut out pictures of sea...

This unit is so cool, you won't be able to "kelp" yourself! Intended for all grades, this science and activity guide for teachers offers a unique opportunity to understand kelp's role as a valuable ecological resource. Teachers and...

Young scientists discover how sea otters' habitats have changed due to human impact. Through conversation, video observation, and story reading, scholars identify how human interactions change a specific ecosystem in both positive and...

Through interactive activities, reading exercises, and lab activities, students study how science, matter, energy, and systems are interrelated.