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...

Should bottled water be sold in schools, or should they only provide tap water? The summative unit in the six-part series encourages scholars debating this topic. The lessons teach how to build an argument, how to gain background...

Can a sidewalk increase the amount of pollution in local streams? Scholars learn the answer to this question though research and experimentation in the fifth unit in the six-part series. Pupils study runoff, impervious surfaces, and the...

Time to come clean! Scholars continue preparing the shampoo they created in the previous two lessons. The purpose of this stage is to calculate the perfect amount of additive to make the shampoo lather. 

In this digestion and nutrition instructional activity, 3rd graders test foods to find their vitamin content. Students test for starch and fats then compare their findings on charts and oral reports. The instructional activity...