A bit of a mixture!
03 Dec 2021
Compasses, maps and our local area
26 Nov 2021
Class 4 Parents Evening
22 Nov 2021
Children in Need in Class 4
19 Nov 2021
Living things and their habitats
18 Nov 2021
Dear Diary
12 Nov 2021
Our Science launch day
04 Nov 2021
Biographies of Henry VIII
22 Oct 2021
What do we believe?
21 Oct 2021
The Terrific Tudors!
14 Oct 2021
Class 4's week
07 Oct 2021
Our Terrific Tudor day
29 Sep 2021
Tuesday
23 Sep 2021
Tudor Day - 28th September
20 Sep 2021
Lots of beginnings...
17 Sep 2021
Year 6 - Deadline for applying for a Secondary School place
14 Sep 2021
The first week in Class 4.
09 Sep 2021
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05 Sep 2021


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Forces in Class 4

07 Jul 2021

This week, we have been focusing on water resistance in Science. We began by creating three different 3D shapes, a sphere, cone and cube, out of clay. We had to ensure that the mass of the objects was the same. We then timed how long it took for them to fall through water in a measuring cylinder. This allowed us to understand the importance of streamlining, and the impact of water resistance on an object in water.

We found that the cube fell the slowest due to its larger surface area allowing water resistance to have a greater effect. Dependant on which way up we dropped the cone, the cone or the sphere, were the quickest to fall due to their streamlined shape. 

 
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We then used what we had learnt to design a boat out of junk modelling materials. The aim was to design a boat that would travel the quickest through water. For it to do that, the children thought about the shape so that it was streamlined, and then ultimately the effect of water resistance is less. The children worked in small groups for this task.

 
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The children then worked in their groups to build their boats. They really enjoyed this part of the task. 

 
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The children were all really proud of their finished products, as they should have been. Some were more boat like than others!!

 
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Finally, it was time to test out the boats! Which would be successful? Which would move through the water the easiest? Would any sink?

In fact, they were all successful. They all floated although some for longer than others! They all moved in the water although some faster than others. Some were a little heavier on one side more than the other, but generally, they all did well. 

Most importantly, the children understand how to reduce the impact of water resistance and the value of having streamlined shapes. 


 
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