Fifth graders evaluate evidence that indicates a physical change has occurred. In this colonial living lesson, 5th graders explore the science involved in the making of items used in colonial life, such as, bread, butter, soap, candles,...

Learners explore physics by conducting a class experiment. In this density instructional activity, students examine a list of items and discuss whether they will sink or float and then determine their density. Learners examine the...

Students investigate the physical properties of fire by creating storyboards.  In this elements lesson, students view a video clip of forest fires and identify the cause.  Students create large storyboards defining the three...

Students determine potential sources of major air pollutants, explain how acid rain is generated and how it affects the environment, discuss global warming, and explore protective role of ozone and cause of ozone layer thinning. Lessons...