UNIT OVERVIEW

This revision unit helps you prepare for your Term 3 assessment. It covers the main ideas from the Energy and Change topic.

Topics covered:

• Forces (contact and non-contact)
• Electric cells and resistance
• Series and parallel circuits
• Electricity safety and the national grid
• Cost of electrical power

How to use this unit:

• Work through each lesson in order
• Try the questions before looking at the answers
• Check your understanding with the practice sections
• Use the summary to remind yourself of key points before your test

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