Students investigate the differences between weather in the past and in today's world.  In this climate change instructional activity, students review what they currently know about global warming, then discuss ways climate change...

Students identify ways that cardiovascular fitness is achieved and maintained. For this cardiovascular health lesson, students discuss what aerobic exercise is and list various activities which address cardiovascular fitness. Students...

Students practice raising their heart rates through exercise.  In this physical education lesson, students discover the key to a healthy body is a healthy heart that must be exercised often.  Students perform a sing along and...

This site reviews the effects of agricultural development, urban and industrial development, drainage of the land surface, modifications to river valleys, and modifications to the atmosphere have on ground water and surface water.