Attracted class members to an activity-packed journey through the science behind the invisible forces at work all around us. From jump rope generators to junkyard wars, there's never a dull moment when eighth grade physics scholars...

In a previous activity, learners build an ammeter. That ammeter, or a pre-made one, is required in order to carry out this activity. The objective is for lab groups to design a way to connect solar cells that can recharge a battery....