Fourth graders examine the history of the tortilla and extend the study across the curriculum. In this history of the tortilla lesson, 4th graders research the background of the tortilla, determine the ingredients, and work with the...

There's a lot content packed into the four lessons of this physical science unit on density. From salad dressing to the water cycle and hot air balloons, these lessons engage students in hands-on activities that explore real-world...

Third graders examine what makes soil by creating a Venn Diagram.  In this Earth environment instructional activity, 3rd graders identify the different components that soil is made from. Students bring soil from their homes to...