Do you know how much water you have had in the last 24 hours? Do you know how much your body needs? In this hands-on activity, your class members will estimate how much water our bodies lose each day by filling and emptying one-liter...

Third graders investigate space science by performing physical activities.  In this solar system activity, 3rd graders perform a relay activitiy with their class in which they race between different "planets".  Students define...

Second graders discuss the previously created worm compost and the importance of living creatures to the Environment.  In this worm lesson, 2nd graders observe worms and record their sensitivity to light. Students design a petri...

Students examine how to dispose of waste properly and discover how pollution affects plants and animals that live in streams. For this effects of waste lesson, students explore biodegradable detergents and the concept of dilution as the...

Students explore how vibrations create sound by strumming a rubber band. They feel the vibration of their own vocal chords. Then they explore the motion of sound waves and echoes. They rely on their own hearing to locate others in their...