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Home » Primary Science » Key Stage 1 Science » Stretchy Material Investigation

Stretchy Material Investigation

Modified: Jul 18, 2022 · Published: Apr 11, 2022 by Emma Vanstone · This post may contain affiliate links · Leave a Comment

This simple investigation is great for learning about stretchy materials. The challenge is to find a material that stretches easily and also returns to its original size.

Don’t forget to check out my other ideas for learning about materials and their properties too, including sorting objects from Ariel’s cave, creating a superhero cape and saving a dinosaur from some bad weather!

sugar cubes, waterproof a dinosaur, superhero cape and sort objects for learning about properties of materials

You’ll need

Different materials to test

  • Elastic bands
  • String
  • Ribbon
  • Balloon
  • Elastic

Ruler

Small bag

Clamp

Marbles

Paper

Pencils

Instructions

Make sure the different test materials are all the same length.

Use a clamp to firmly hold the first test material in place.

Measure how long the material is from the bottom of the clamp.

Place 4 marbles in the bag and attach to the bottom of the first test material.

Measure how long the test material is now and calculate how much is has extended.

Repeat 3 times adding more marbles to the bag each time.

Repeat for each test material and record the results.

Which material is the stretchiest?

Remember to use the same amounts of marbles for each test material.

As an example, you could test each material with 4,8 and 12 marbles.

Does the elastic band reach a point where it no longer jumps back up to its original length? If this happens the band has reached its elastic limit.

a bag of marbles hanging from an elastic band

Last Updated on July 18, 2022 by Emma Vanstone

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Safety Notice

Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources.

These activities are designed to be carried out by children working with a parent, guardian or other appropriate adult. The adult involved is fully responsible for ensuring that the activities are carried out safely.

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