Electromagnets & Devices – Complete KS3 Lesson Pack
Engaging, ready to teach lesson on electromagnets and real world applications
Bring electromagnets to life in your classroom with this fully resourced KS3 lesson pack. Designed for maximum clarity and accessibility, this lesson helps students understand how electromagnets work, how they are used in everyday devices, and how changing current or coils affects magnetic strength. Perfect for Year 7–9 physics, cover lessons, or revision.

What’s Included
• Full PowerPoint lesson with clear explanations, diagrams, animations, and model answers
• Starter activity to activate prior knowledge
• Structured main tasks covering electromagnets, speakers, doorbells, relays, and scrapyard cranes
• Differentiated worksheets for all abilities
• Exam style questions with model answers
• Keywords
• Plenary task to check understanding
• Teacher notes and suggested answers throughout

Curriculum Coverage
✔ KS3 Physics – Magnetism & Electromagnetism ✔ Electromagnets as temporary magnets ✔ Magnetic fields and current ✔ Uses of electromagnets in devices ✔ How speakers produce sound

Learning Outcomes
By the end of the lesson, students will be able to:
• Describe how an electromagnet works
• Label diagrams of an electric bell and relay
• Understand how speakers use changing current to create sound
• Compare permanent and temporary magnets
• Apply knowledge to real world devices (relay, crane, doorbell, speaker)
• Write extended explanations suitable for 4 mark questions

Why Teachers Love This Resource
• No planning needed – everything is ready to teach
• Clear, student friendly explanations ideal for mixed ability groups
• Exam style practice to build confidence
• Engaging visuals and real world examples
• Flexible – works for single lessons, cover, homework, or revision