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Changing Wires Changing Circuits

In this worksheet, students will be helped to consider the effect of changing the length and thickness of wire in a circuit in terms of how much current flows and how components are affected.

'Changing Wires Changing Circuits' worksheet

Key stage:  KS 2

Curriculum topic:   Electricity

Curriculum subtopic:   Variations in Functions of Components

Difficulty level:  

Worksheet Overview

Mrs. Bates's science class were working on electric circuits.

 

First of all, they were investigating how the length of a piece of wire affected different components in a circuit. They started by setting up a simple circuit using a cell and a bulb connected by two clips into which lengths of wire could be inserted to complete the circuit:

 

 

 

Mrs. Bates divided her class into ten groups and gave each group three different lengths of wire for them to test: 10cm, 20cm and 30cm.

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