Thursday – 14.01.21

Today’s timetable:


  • Maths: divide by 10.
  • Literacy: thoughts and feelings for a diary.


  • Geography: Mr Swallow would like to explore the safest earthquake structure.


Today, we are dividing by 10. This is the inverse to multiplication. Think about the direction the digits move on a place value column. Again, there is a video for you to watch that explains it really well. Please pause the video and have a go at the questions when is best for you. 

Please find your worksheet for the session. If it does not load, then click the link to download it.

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Here are the answers for your work – let me know how you got on!

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Yesterday, we looked at the features of a diary. I have uploaded my checklist that you can magpie some ideas from for your writing on Friday.

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Checklist download

It is very important to include your thoughts and feelings in a diary entry. There’s no doubt that being in a situation where an earthquake has hit your environment you would feel absolutely petrified, almost shaking with fear… I certainly would be!

Watch the videos below and think how you would feel in the situations! There is a feelings word mat attached to help build some vocabulary.

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Now you have watched the videos and thought about your thoughts and feelings we are going to plan the diary to write on Friday.

Please see the planning sheet below (if you have a printer, you may print it off and use it) – if not, do not worry as you can set it out in a similar way in your books. You could simply use subheadings and underline them.

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Diary planning template - download

For example it could look like this in your books:


This is where you are going to introduce your diary – you will be writing about what the diary entry is going to be about. Do not write about an earthquake here, this will be in the next paragraph (the Main).


How was you feeling at first? Remember, your diary must be in a chronological order.


What were your thoughts for the day ahead?


Topic:  Design Technology- Earthquake proof buildings!

Can you design and build an earthquake proof building?  Who can build the best building that resists the most vibration?  Here are a few rules:

  • The building must stand on its own!  No helping hands or adding bits on that fall off!
  • The building must be constructed on a platform (like a book or a tray) so that we can simulate a big earthquake!
  • You can use ANYTHING from around the home to make your building!
  • You have to photograph or video your test.

How are we going to test the buildings?

Your building must survive 3 levels of earthquake:

  • Level 1, a mobile phone set to vibrate for 30 seconds, placed on the platform you have bilt on!
  • Level 2, you and your family jumping around, dancing and stomping all around your building BUT NOT TOUCHING IT or the platform it is built on, for 60 seconds!
  • Level 3, wobbling the platform for 20 seconds!

Can your building survive?

Earthquake resistant building

Here are some tips that I have adapted from a website I found that helps architects design real earthquake-proof buildings!

How can we construct earthquake-resistant buildings?


Thanks to modern technology and earthquake engineering, it is now possible to Earthquake-proof buildings in such a way that their structures are able to resist the side to side swaying that may lead to their collapse during an earthquake. Here are a few things a structural engineer should take into consideration.

Stiffness and Strength

The components that the buildings are made from should be strong enough to resist breaking or snapping when pressure is applied from an unexpected direction!  However, if the material is too still and doesn’t flex at all then this can cause its joints, fixings and other materials around it to fail!


This is a posh way of saying, ‘back up plan!’  Can you design a system that will continue to hold the building up if 1 thing breaks?

Stable Foundation

A stable foundation is of the utmost importance when building a large structure regardless of the earthquake risk associated with the said structure.  A stronger foundation is more likely to deal with earthquakes a lot better. Different areas have unique foundational requirements that define how a structure’s base needs to be reinforced. Buildings designed to withstand violent earthquakes have deep foundations made of heavy concrete. Structural engineers must ensure that the foundations are connected so they move as a unit.


In earthquake-proof building designs, flexible components are a key component in the building’s structure. These can be flexible or ‘soft’ pieces of the building that can absorb LOTS of vibration! This stops the building shaking to pieces!

making joints ‘overlap’ adds strength.  Think of a brick wall, the pattern of the bricks bonds them together and makes the wall strong!


Putting in diagonal pieces helps to keep the building the correct shape.  A square is a strong shape to stand on but is easy to break if you push any of the corners sideways!

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