How do you grow crops in a area with insufficient rainfall? Why you irrigate, of course. Class members investigate irrigation systems by designing a system of their own. After examining irrigation related concepts, vocabulary terms, and...

Students study farming and reasons to control weeds. They examine pesticides necessary for the control of weeds and the damage to the environment. Through experimentation, students plant seeds in different soils and determine if seeds...

Fourth graders complete a worksheet. In this life cycle lesson, 4th graders learn about the leaf cycle and complete a worksheet where they put the leaf cycle steps in the correct order.