Young scientists roll up their sleeves and get a little dirty in this three-day earth science investigation. Following the scientific method, children monitor the growth of algae in pond water samples in order to determine...

Students investigate the habitats of local plants and animals. They explore some of the ways animals depend on plants and each other. Students observe living organisms in a local ecosystem and create detailed drawings and descriptions...

Students measure the toxic levels of runoff and discuss the effects it would have on the aquatic system. In this runoff lesson plan, students answer questions to how runoff would affect the animals in an aquatic system.

Fourth graders explore the interconnectedness of organisms in the environment and examine how different organisms obtain their basic needs. They discuss a frog's habitat and what is found in it. Students discuss the processes of...