Learn how to make 2 versions of an Electromagnet. This demonstration can be used to explain the effects of a flowing current and magnetic fields! The 'easy' version involves a D battery and insulated wire while the 'intermediate' version uses a lantern battery, a switch, and insulated wire.
Build a cost-effective amplifier for your SPS chapter, or use this as a workshop template for community outreach. Empower participants by helping them create an effective, useful, and integral electronic device.