Year 6 · Science · Electricity · Lesson 3

Fixing circuits and electrical safety

Fixing circuits: finding gaps, open switches, flat cells, blown bulbs and insulators, testing conductors, and electrical safety with mains electricity.

13-minute video lesson

Teaching, worked examples and 20 practice questions solved step by step.

Watch free for a month

What your child will learn

Diagnose circuit faults
Test conductors and insulators
Explain dangers of mains electricity
Follow electrical safety rules

The method

Trace.
Gaps?
Cell and bulb.
Insulators?

Key words: fault, conductor, insulator, mains, safety, complete circuit.

Worked examples

The first three practice questions from the lesson, with every step.

Question 1

A circuit has a loose wire. Will it work?

Step 1: Gap

Answer: no - there's a gap

Question 2

How do you fix an open switch problem?

Step 1: Close

Answer: close the switch

Question 3

What does a ‘flat’ cell mean?

Step 1: Used up

Answer: it has run out of energy