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Today we are going to be doing some investigations around the properties of materials. Watch the video below to get your brain warmed up:

Materials And Their Properties

Every single object is made of different materials that have observable properties. This Miniclip sorts and groups materials based on observable properties s...

The question we are going to explore today is:


What is the most flexible (bendy) material?

Can you name some objects that are flexible/bendy, and some that are not?

How do you bend objects?


What happens when objects bend? 

What objects could we test?


How could we tell which is the most flexible?


The scientific term for bendy is flexible. Some materials and objects are more flexible than others. The opposite of flexible is rigid. Flexibility can be a useful property, for example the steel used to make skyscraper skeletons is flexible. This allows the whole structure to move in the wind or during an earthquake. If it was rigid, the building would break and collapse.


Choose a selection of materials that you could test. Decide how you are going to test this and then make a prediction. Which material do you think will be the most flexible?


Carry out your investigation and then write a few sentences to tell me what you found out:


I found out that __________ is the most flexible material because_______________. I found out that __________ is the least flexible material because ______________.


Be careful not to break anything.