Comparative anatomy prevails in the lesson exploring diversity among invertebrates. Biologists examine physical characteristics of an earthworm from phylum annelida and a meal worm from phylum insecta. They also inspect a cricket and a...

Third graders identify the living and non living things in a book read aloud and discuss the interactions represented in the book. Then, they research and include a list of food that each animal needs in an ecosystem. Finally, 3rd...

Learners choose an organism and create an experiment with that organism. For this observation lesson, students expose a living thing to something from its environment and record their observations. Learners must have some prior knowledge...

Third graders create aquariums or terrariums to explain how creatures depend on living and nonliving things.

Learners examine anatomic structures in order to identify insects from other living organisms. They gain a level of comfort from anxiety when observing and handling live and pinned insects. They create clay models of an insect.