Pbs Teachers: Scientific American: Body Building: One Way Valves

Water may appear to be crystal clear, but there could be dissolved substances present. Lab groups make a one-part-per-million of a food coloring solution to demonstrate this concept. As part of an outstanding unit about water, this...

What's the best way to learn how watersheds work? Build one! Combining engineering, the water cycle, and ecology concerns, the activity is the perfect fit for an interdisciplinary unit. Teams construct a model watershed with simple...

Introduce middle school scientists to scientific variables and the scientific method with a musical video. The song is a delightful parody of One Direction's "What Makes You Beautiful." It belts out the definitions of controlled,...

Investigate the three types of memory: sensory, short-term and long-term, and explore tricks and techniques that can improve long-term memory. Conduct five basic challenges to test, explore and improve memory skills.

Investigate how the brain can be fooled into incorrectly processing sensory information. Conduct an experiment to fool someone into thinking you've touched his or her hand.

Explore the relationship between pressure and vessel diameter and create a model that represents how elevated blood pressure may affect weakened vessels. Design and critique a repair device.

Make inferences about the structure and function of human hands. Investigate the relationship between hand actions and recorded points of contact by exploring hand grasps of a pencil and a broom handle.

Explore the use of Functional Electrical Stimulation (FES) as a breathing support strategy. Construct a working lung model that simulates the mechanics of breathing.

Watch the earth from one million miles away! NASA's camera captured these images showing the majority of the earth's surface is water. View a narrated or unnarrated video of these images. Background information, teaching tips, and a...

Students gain an understanding of how systems and organs in the human body work. They create their own fictional account of a trip through the human body, and describe one response the body makes to stimuli.