Circuits Challenge

As you know, we did not get the chance to work practically when we learned about circuits at the end of Year 3.  So, we took the opportunity this afternoon to refresh our know about circuit diagrams, insulators and conductors as well as get our hands on the lovely circuits equipment that Mr Swallow bought.

 

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Isabel’s science experiement

Isabel has sent in a wonderful write up of her science experiment.

I particularly like how Isabel has included labelled diagrams to give the reader a clear image of what the different stages of her experiment looked like.

I think I might start to wrap my tea in tin foil after reading your conclusion!

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Download - Science write up

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Challenge 6 – Mummy mayhem!

The raiders have disturbed the remains of the Pharaoh, making him very angry and cursing all archeologists!

The children have got to use their scientific knowledge of anatomy to rearrange the bones correctly!

Six fun facts about the human skeleton

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Challenge 4 – Nile Valley know-how

Here, the children are going to apply their knowledge of the Nile valley and their understanding of the water cycle.

Can the children explain how it all works and links in together to you at home?

We did have another video that we wanted to upload but unfortunately names were mentioned! Ask your child at home if they can retell the water cycle process ūüôā¬†

Nile River Map, Nile River Facts, Nile River History - Journey To Egypt

 

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Making our own ink!!

This afternoon, we will use some very common household ingredients to make our own ink and quill.

We shall use our ink to draw a portrait of one of the characters from the highwayman on Wednesday.

The ink making and the art lesson will be both be online lessons through Zoom.  I will start the connection from 1:15 both days for you to log in.

Tuesday 1:30pm ink making lesson

Zoom Meeting ID: 951 3096 3816

Password:  ink

You will need:  salt, vinegar, a few handfulls of dark berries such as blueberries or blackberries.  (You can make other coloured ink with the appropriate color berry or veg!)  You will also need either a fine sieve, muslim cloth or old babric to strain them through.

If you would also like to make a quill, you will need a feather or a thin straw and some scraps of paper & glue.

 

Wednesday 1:30 portrait drawing

Meeting ID: 990 7137 5354

Password:  art

You will need:  paper (preferably a3 art paper but whatever you have will work!) your home-made ink, either a stick of charcoal or some ash (you can just have an adult light a few matches and let them burn out, they work just as well)

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Hot Chocolate Investigation

OK! So we need to break the evil spell and free ourselves from the hot chocolate enchantment.  To do this, we have to remove the hot chocolate from the water!!!

We split into teams and designed a scientific experiment to see if we could do this.

Each team decided on the equipment they would use and the method in which they would use it.

 

We planned this out on paper and carried out the experiments…

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The enchanted hot chocolate

Today we drank something that we haven’t tasted before. It was something very sweet, foamy and creamy. It warmed us right down to our toes. It was the most delicious hot chocolate ever! We also ate something very sweet with a light centre; the best Turkish delight!

Little to our knowledge the hot chocolate was enchanted by the Queen… now we must get the chocolate out of the water!

Stayed tuned to see what happens…

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Did the investigation work?

We realised that we could get an awful lot of particles, in our mixture, out of the water through sieving and filtering.  However, no matter how careful we were and how fine a filter we used, the water would not come clean and clear.

Mr Swallow introduced us to the concept of mixtures and solutions.¬† Mixtures can be separated by filtering BUT solutions can’t.¬† Therefore, the dirty water left in our cups after all that sieving MUST be a solution!!!

Mr Swallow challenged us to come up with an experiment to separate the solution and finally purify the water.  We brainstormed all the things we could do to a liquid, we came up with:  pour it (done that), shake it (done that), drink it (errr!!!!), soak it up (good idea), heat it up, cool it down or add something to it.

Each team chose which approach to take and planned their experiment.¬† Mr Swallow ran around school and popped to the shop at lunch to get all the equipment we needed and off we went.¬† Investigating whether our idea would separate¬†the solution or not…

Some teams soaked up the water with a sponge or kitchen roll, then squeezed¬†it out to see if that would separate the solution…it didn’t.

Some teams added chemicals, such as Milton, hand sanitizer or washing up liquid, to see if that would work.¬† It probably killed off any germs but we still wouldn’t want to drink it!

Some teams cooled down the solution by freezing it in an ice cube tray or adding ice to it to “grab” the particles (nice idea as it works with salt if you put too much in your cooking!).¬† It didn’t¬†work here though!

The final team opted for heating the solution.¬† They boiled it in a pan on Mr Swallow’s camping stove and as the liquid¬†evaporated into steam, they collected it in half of a bottle (with Mr Swallow’s help and his oven gloves!!!), where it condensed¬†back into clean, clear water!¬† success!¬† In order to separate the water from the solution, we had to turn it into a vapour and then back to a liquid.

Well done everyone, we may just survive this journey after all!

 

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Super Scientists!!!

This morning, Year 4 had a very tricky challenge! We have found out that our water supply on board ship has been contaminated. We need to purify the water so that we can survive the journey.

Mr Swallow got out a bunch of containers, sieves, funnels, colanders, cups cloth and other things and asked us to choose any equipment we wanted for our team. We then had to come up with our own plan about how to use it! What equipment should we use?  How should we use it? What order should we use it in? Our teams discussed what to do and came up with a plan!

 

Down on the field, we experimented with the equipment to try and remove all the horrid things from our cup of water, to make it safe enough to drink!

Some of them worked better than others!

We looked at how the team who had got the cleanest water had done that worked well. They had:

used the filters with the biggest holes first, to get rid of any big particles and not clog up their filter.

worked methodically from large hole filter down to smallest.

worked really carefully, keeping equipment clean and not re-using dirty containers.

Worked patiently, pouring slowly so they didn’t lose any water and giving the water plenty of time to drain through the sieves and muslin.

 

We all adopted their way of working and our results improved dramatically!!!

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