Fourth graders study the components and physiology of the human circulatory system.

Students estimate how many peas fit in a container. In this science lesson, students calculate the weight of a pea and record it. They use this data to calculate how many peas fit in a human brain.

Fifth graders locate their own pulse rate from their carotid or radial artery, and graph their pulse rates after completing various exercise activities. They graph their data on a pie graph using Microsoft Excel software.

Working in small groups, pupils explore the operation of spectrophotometer. Using the spectrophotometer, they investigate Beer's Law with everyday items.

Learners explore the basic skills guiding sound scientific invvestigation and methodology. They are introduced to a powerful scientific tool-the microscope. Students review the parts of the microscope. They discuss the inventor of the...