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...

Are serving sizes for different foods always appropriate for what you need? In this hands-on activity, learners work in groups to estimate what one serving size of various foods are, and then evaluate their hypotheses by measuring...

Students are immersed in an online environment that challenges them to solve the medical mystery: "What's Wrong with M'Kenna?" This resource includes the complete middle school science curriculum unit, a teacher's guide, and an online...