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Learn About Resistors in Electrical Circuits

In this worksheet, students will learn about resistance and resistors in electrical circuits.

'Learn About Resistors in Electrical Circuits' worksheet

Key stage:  KS 2

Year:  Year 6 Science worksheets

Curriculum topic:   Electricity

Curriculum subtopic:   Energy in Circuits

Difficulty level:  

Worksheet Overview

When using electricity in circuits, resistance can be created using a resistor.


Here is a resistor symbol for drawing electrical circuit diagrams.


symbol for a resistor


Imagine electricity as a group of speedy cars racing down a road.

Resistance is like the traffic jam on the road that slows down the cars. 


traffic jam


Resistance is the force that makes it harder for electricity to flow through a circuit.

Resistors are like special traffic signs on the roads - they control the flow of the cars (or electricity) by making it go slower and regulate how much electricity flows through.


So when there is a lot of resistance in a circuit, electricity moves slowly, just like cars in a traffic jam. 


traffic jam


When there is less resistance, electricity moves faster, just like cars on a traffic-free road.


empty road


Resistance is measured in Ohms.


In this activity, we will test out our knowledge of resistance and resistors.


girl thinking


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