Seventh graders trace a piece of food through the alimentary canal and differentiate between mechanical and chemical digestion in several different hands-on activities related to digestion.

Seventh graders become more familiar with how our food is broken down mechanically and chemically. They also trace the food through the alimentary canal.

Seventh graders trace a piece of food through the digestive system. They describe the functions of the mouth, esophagus, stomach, etc.

Students investigate how earthworms help build good soil. They examine the worms carefully to find the ringlike segments and swollen band at the front of the earthworm's body. Students take turns dampening the soil every day and adding...

Students research the ecological principle of symbiosis. Using a microscope, students observe the relationship of mutualism between termites and flagellates. Students examine a live termite and protozoans. They discuss the principles...

In this science related worksheet, students locate and answer thirty three multiple choice questions regarding the digestive system in humans.

Students will prepare a digital presentation on the digestive organs, accessory structures, processes, digestive chemicals, and nutrients. This is a part of the unit on digestion and metabolism, and is performed at the beginning of the...