Circuits, Switches & Conductors
Building a working circuit, and testing which materials let electricity through.
What this lesson covers
Circuits, Switches & Conductors is a 6-part Class 4 Science lesson. Each part makes one point and then hands over to the next, so it can be read in a sitting or picked up again at the part you stopped on. It defines the idea in plain words before using it, works through an example step by step, breaks the topic into its parts and compares them, ends with a recap of what to remember.
How it begins
A circuit needs a cell, wires and a component such as a lamp. Electricity flows only if the loop is complete: a break anywhere stops it.
The 6 parts
- A complete loop
- Switches
- Conductors and insulators
- Why wires are covered
- Circuit builder!
- Watch one worked through
Practise Circuits, Switches & Conductors
Everything on QuizByt for Class 4 Science that goes with this lesson: read it first, then test yourself while it is fresh.
🧠 9 quizzes on Circuits, Switches & Conductors (6 easy, 2 medium, 1 hard)
Work up from easy to hard: the hard quiz asks the Class 4 exam-style questions on Circuits, Switches & Conductors.
🖨️ Printable worksheet
Circuits, Switches & Conductors on paper for Class 4, with room to write the working out. Preview the first page free.
🎮 Games for Class 4 Science
Memory and reasoning games at the right level for Class 4. Passing a quiz on Circuits, Switches & Conductors earns the credits that open them.
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