Science Week

HCH promotes British Science week annually by hosting an exciting range of talks, demonstrations and workshops, for students of all ages.

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Science week Day 4: Bath bombs!

On Thursday, we had the privilege of hosting Dr Claire Petros from the Olive Ridley Project, the lead veterinarian of the charity, who discussed her work conserving sea turtles in The Maldives with very enthusiastic and inquisitive audiences from Years 3, 4, and 5. Year 5 completed an activity making... bath bombs, which they will be able to take home and use once they are fully dried on Monday.

Quiz-challenge entries and photo competition entries have been coming in thick and fast and we are very excited about the quiz results!

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Science week day 3: Year 2 make lava lamps

On Wednesday, Middle Years and Y9 continued with their biology and chemistry projects, doing dissections in biology and experimenting with plating and alloying in chemistry.

Year 2 was the final year to make their vitamin-c-fuelled lava lamps and discussed properties of solids liquids and gases, as... well as enjoying the surroundings of the laboratory.

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Science week 2021: Day 2

We continued our festival of science with Year 9 dissecting sheep eyes and a huge ox heart in biology, and Year 6 discovering the hidden world of the very small with a microscope activity. The Big Science Quiz was completed by Year 8 and started by Year 12, and Year 3 made their Lava Lamps.

Year 5 continue... to lead in the photo competition, with additional chemistry-themed entries submitted to Thomas over the course of the day. All entries must be emailed to by the end of school on Friday.

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Science week 2021: Day 1

Today we began our annual celebration of science, technology, and engineering with half of year 7 and all of year 8 completing their coin plating chemistry activity and year 4 making beautiful lava lamps.

We launched a competition to produce a presentation on the challenges facing technology (deadline:... end of school on friday, entries to Neelu- )

Entries continued to come in for the science photography competition with Year 5 leading the way with some excellent photographs showcasing botany, metallurgy, and engineering. Further entries should be emailed to Thomas at by the end of school on Friday.

This afternoon, Years 1-4 had an outside assembly showcasing the power of chemistry with some dramatic demonstrations of how energy and gaseous products can be released rapidly during reactions. The assembly finished with an opportunity to meet one of the most beautiful and enigmatic creatures to live locally, the Barred Grass Snake (Natrix helvetica) – our specimen, “Gollum”, is a gorgeous 2-foot example with bright green sides and lots of personality!

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Science week 2021: Monday 14th- Friday 18th June

We cannot wait for Science Week 2021 from Monday to Friday next week. We will post all the news and photos to the website but here is the full programme of amazing activities and events:

    The Big Science Quiz – This will be open to years 5 upwards. Years 5-9 will complete it in a science lesson, Year... 10+ will be able to complete it in form time.

The Annual Science Photo Competition – Open to all students and staff – please email entries of any photos with a science, nature, technology, or engineering theme to by the end of school on Friday 18th June.
Biology science week activity in science lessons for Years 7-9 – dissection of a heart or an eye, plus demo dissections
Chemistry science week activity in science lessons for Years 7-9 – magic colour changing coin trick – how to turn copper into “silver” and “gold” (and why that’s not really possible!)
Physics science week activity in lessons for Year 7-9 – catapult challenge!
Special additional science activities for Year 5 and 6
Lava lamp construction with Abi and Thomas for Y2-4
“Meet the critters” assembly for Y5+ with Zoo Club
“Chemical Reactions” assembly for Early and Lower years with Thomas
We will also have a special visitor on Thursday afternoon, a vet who works in sea turtle conservation. George is going to send me the details (she’s a friend of his) Depending on timings, she should be talking to years 3, 4, and 5.
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Science Week Day 4- Bath bombs, Genomes and The Science Week Fair

Pupils in Years 5 to 8 made some beautiful smelling, fizzy bath bombs today by mixing together some weak acids and bases. They flavoured their bath bombs with their chosen flavours and colours to make lovely gifts to take home.

Matthew Brown, a software developer from Genomics England led an assembly... for Middle and Upper Years pupils to discuss how advances in sequencing the genome have the potential to revolutionise drug treatment and early disease diagnosis. For further information about Genomics England, visit

And finally, in the school theatre we held the first Science Fair at HCH. Students contributed work and projects that they felt had scientific underpinning. Works included models, research projects, and creative work inspired by science. Students, parents and teachers attended the science fair and were certainly impressed by the variety of displays and projects, from songs to mechanical models and large-scale poster presentations!

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Science Week Day 3- Personality tests, DNA and sustainable energy

As Science Week continues, our students are full of enthusiasm for the variety of activities on offer. Each talk, workshop or demonstration is providing an opportunity to deepen their understanding of their Science curriculum and the world around them.

Our Psychology teacher, Laraib Saeed provided an... opportunity for students to assess their own personality traits using the Big Five Personality test. The test is often used to help determine career paths based on how an individual would react in different situations.

Middle and Upper years pupils attended a Science Week assembly on Sustainability led by Yasmina Mikhael. Yasmina is Head of Sustainability at Long and Partners and has a wealth of expertise in renewables and the built environment.

And finally, Head of Science Abi Howard ran a workshop for Middle and Upper years pupils, explaining how DNA can be extracted from cells. Students had the opportunity to extract cells and DNA from kiwi fruit as part of the practical workshop!

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