Tag Archives: science

Year 3 Exploring Colour

Year 3 had an exciting (messy!) afternoon today exploring colour. We discussed what colour ‘light’ was and had lots of interesting responses including yellow, peach and see through! We then learnt that visible light is actually made up of seven different colours and that when light is bent through a prism it causes the light to split into different colours! The children then had fun exploring with these colours, mixing the primary colours red, blue and yellow to create secondary and tertiary colours.

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Snow…In Nursery!

As we haven’t had any snow yet, the nursery children decided to make their own. First they put in the special powder, added water, and stirred and stirred and stirred, until as if by magic…snow! They even found some little penguins hiding! Continuing the snow theme, the children also made some edible snowmen out of marshmallows. Don’t they look tasty!

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Tooth Decay Investigation: The results are in…

After leaving the eggs soaking in the four different liquids over night the children made their observations this afternoon. The vinegar decayed the egg the most by entirely disintegrating the shell leaving us with a squishy egg, the orange juice left a slimy skin all over the shell and the coke and milk had little effect. This led to very interesting discussion and some good ideas for their conclusions. The children then used their tooth brushing skills to clean the eggs again. What an interesting and fun experiment, fantastic work Year 3!!

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Bethan Frost

October 25, 2017

As part of our ‘Animals and Humans’ science topic, this week we are learning about our teeth. The children are now teeth experts and know the names of each type of tooth as well as what their “job” is. We then spent some time talking about how important it is to brush our teeth and why we need to do it every day. We found out what happens to our teeth if they don’t get cleaned – the build up of plaque reacts with the sugars in food to create an acid that attacks the teeth! We started an experiment this afternoon using hard boiled eggs to act as the teeth – each egg has been placed in a different liquid to see what effect it has (coke, orange juice, vinegar and milk). The eggs will be left in the liquid over night to see what happens to the shell. The children’s predictions were very interesting and tomorrow we will see if they are correct! They also made posters encouraging and promoting tooth brushing! What a busy afternoon!

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Outdoor Learning

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The children in Year 3 had a fun filled afternoon exploring our outdoor environment today. Our Science topic this term is “Animals and Humans” so today we focussed on food chains. Each child had a clip board where they were able to record all of the different plants, bugs and creatures that they saw. We then came back to class and made food paper chains showing how each living thing was linked together – starting with the producer, then the primary consumer and then the secondary consumer. Gwaith da boys and girls!!

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The Mummified Tomatoes

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After being covered in salt for the last two weeks the children were able to free their tomatoes this afternoon in order to make their observations. It was fascinating to see what the salt had done to the tomatoes and some of the weight differences recorded were amazing – one of the tomatoes pre mummification weight was 86g and this had dropped down to 36g after being left in the salt for two weeks. The tomatoes had shrunk and the skin had gone crinkly. The children drew and recorded their observations before mummifying their tomatoes further by wrapping them in bandages! Year 3 are now professional embalmers, da iawn!!

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We had a fantastic and messy afternoon in year 3 with the children becoming Egyptian embalmers! We followed the steps of the mummification process using a tomato. First the children washed their dead bodies (the tomato!) and then an incision was made for them to remove the insides. We then recorded the pre mummification weight. The children then had lots of fun stuffing their tomatoes with a salt and bicarbonate of soda mixture. The tomatoes were then placed in a container where they were again covered in the salt mixture. The tomatoes will stay in this state for 2 weeks where we will then compare the weight and make further observations. What a fun afternoon, diolch boys and girls!

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Windy Welly Wednesday

The nursery and reception children had great fun this week learning all about air and wind. We learned that air is all around us but we can’t feel it unless it moves, so we tried to think of ways to make it move. We listened to the story of the three little pigs where the big bad wolf used his breath to huff and puff and blow the house down. We used our breath to huff and puff and blow paint, to make a lovely blow painting picture. We washed dolls clothes and hung them on the line for the wind to blow them dry. We used squeezy bottles to blow air into the water to see if it would make bubbles. We made blow tubes from cardboard tubes and tissue paper, that we could blow into to see the effect on the coloured paper; very pretty! We made cloud pictures from cotton wool balls and we even ran really fast around the yard to see if we could feel any movement in the air.

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Fairytales do come true!

Reception had a wonderful day exploring the exhibits in Techniquest Cardiff. They experimented and explored their way through air, sound, water and light.

They helped the Techniquest dragon to solve the Fairytale problem, discovering different light sources and looking for the wizards wand on the way. Reception did a great job looking at rainbows and making a circuit with a battery!

Thank goodness it was time for lunch, and a well deserved break from all that very hard scientific work!

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We had a fantastic time!