Formative Practice 7.2 Science Form 2 -

They connected three batteries. The wire got slightly warm, but the electromagnet became a beast – lifting and winning the competition.

Team 3 disconnected the batteries. Immediately, all clips fell. Unlike a permanent magnet, their electromagnet worked . formative practice 7.2 science form 2

Result: Their electromagnet now lifted – more than double. They connected three batteries

“Quick, let’s use three batteries!” Lina said. let’s use three batteries!” Lina said.