Pbs Teachers: Scientific American: Fat and Happy?: Counting Calories

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.

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.

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.

Investigate biotechnology design by creating a model of a one-way valve from plastic tubing. Describe the mechanical action of the valve.

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.

Rivers are essential to any society. They provide fresh water, recreation, and transportation. Students will analyze the distribution and relationship among North American rivers using this map from NASA. Background information and...

Explore the fields of engineering and automobile design. Construct from a variety of materials a model of a vehicle that travels the greatest distance on balloon power.

Explore human skills needed for remote surgeries, such as a surgeon's coordination and fine motor skills. Emulate communication between satellites in space by bouncing signals from a TV remote control off reflective surfaces.

Get your class thinking about climate change as a scientific theory. Guided by a handout, emerging earth scientists read articles and take notes about glaciers and sea ice. To conclude, they write an evaluation of the evidence for...

Explore efforts to return parts of the American prairie using controlled cultivation and grazing. Compare and contrast the effects of various levels of ground shade on new seedlings.