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Forces

18 Jun 2021

We have now started our new science topic of Forces. We spent our first lesson identifying different forces (pushes and pulls) that act on objects. We discussed how an object always has forces acting upon it, and investigated what opposing forces are. We looked at how we can use arrows to demonstrate which forces are acting on an object, and how the size of the arrows matter. 

Today, we focused on the force of gravity. We learnt about Isaac Newton, and completed an investigation into the link between the mass and the weight of an object. We discovered that mass is the amount of stuff (matter) inside an object, and that weight is a measure of the strength of gravity acting on an object.   


The children measured the weight of objects using newton meters and then recorded their weight in newtons. 

 
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The children then used scales to measure the mass of the same objects in grams and kilograms. 
 
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Once the children had completed their investigation, they looked for links and patterns in their results. We found that gravity pulls down with a force of approximately 1 newton for every 100g, and also that the larger the mass, the larger the weight as an object's gravitational pull increases as its mass does. 

The children recorded their findings in their science books. 


 
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Ripon
North Yorkshire
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