Learning Goals
After designing and testing a solar-powered battery charger, students are able to describe the relationship between the direction of electrons flowing through a battery and a change in the battery’s voltage.
Materials List
Handouts
- Student Handout (pages 3-4)
Group Supplies
- Digital multimeter
- “Dead” rechargeable D lithium ion battery of any size
- Battery holder to fit the selected battery
- Alligator clips
- Electromagnet-and-compass ammeter
- Masking tape
- Two 1V, 400mA mini-solar panels
- Gooseneck lamp with 100W incandescent bulb
Important Links
- Lesson Plan
- Lesson origin at NY-Sun