Students investigate air by participating in a class experiment. In this matter measurement lesson plan, students identify air as a gas which consists of mass. Students utilize a windsock or balloon to measure oxygen and explore it's...

Second graders examine the properties of liquids and their classifications. They compare and contrast cups of different liquids and record their findings in journals. Students observe how liquids flow at various speeds and that unlike...

Students investigate air pressure with four hands-on activities. They observe experiments by viewing Take a Look 2 #21.