In this activity campers coil wire around an iron nail and run current through the wire to create an electromagnet strong enough to pick up small objects such as paper clips.
(campers; coil; wire; around an iron nail; L:In this activity) (campers; run; current; through the wire; to create an electromagnet strong enough to pick up small objects such as paper clips; L:In this activity)
campers campers
coil run
wire around an iron nail L:In this activity
current through the wire to create an electromagnet strong enough to pick up small objects such as paper clips L:In this activity