Ask a Biologist
It’s a Plankton Eat Plankton World
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 animals...
Foundation for Water & Energy Education
How Can a Dam Affect a River? Activity A
Written for Washington state students in life science, this lesson provides an opportunity to examine the residents of local freshwater habitats. You or the class collects a water sample, and learners try to examine what organisms live...
Curated OER
Ecosystems
A critical look into the structure and function of ecosystems is here for young learners as a series of lessons and worksheet activities. Topics covered include land-based and marine ecosystems, connections to the water cycle, food webs,...
Dawn N . Ericson
California Kelp Forest Restoration
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...