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Analyse Data on Stretching Elastic Materials

In this worksheet, students will be challenged to use the results from an experiment to determine how an elastic material behaves and interpret the results on a graph.

'Analyse Data on Stretching Elastic Materials' worksheet

Key stage:  KS 3

Year:  Year 7 Science worksheets

Curriculum topic:   Working Scientifically

Curriculum subtopic:   Analysis and Evaluation

Difficulty level:  

Worksheet Overview

Elastic bands are very useful. 


We can use their stretchy properties to keep objects such as important files together.


Elastic bands


All materials that can stretch, such as elastic bands, metal springs, shopping bags, and even your muscles, have a maximum limit which they cannot stretch beyond.

Sometimes if we add too much weight to a stretchy material, such as an elastic band, a spring or a shopping bag, it can snap and break.


Borken shopping bag


Many people get confused when they talk about weight.

Think about what happens when you step onto the bathroom scales; we often say that we are weighing ourselves.


Bathroom scales


Unfortunately this statement is not scientifically correct. The number we have just obtained is our mass, not our weight.

The reason why is because weight is a force and should be measured in Newtons (N) not kilograms (or pounds or stones).

To convert mass (in kilograms) into Newtons you need to multiply mass by 10.


In this worksheet you get the chance to find out more about mass and weight, and test an elastic band to its limits!

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