English National Curriculum Science
Mission Objectives
Describe how evaporation can be used to get the salt back from salty water
Use the results of an evaporation experiment to explain which mystery liquid is a solution
Suggest a method to recover the water from a salt water solution and explain why this method works
Enquiry Approach - Observation over time
Observing changes that occur over a long or short period of time.
Enquiry Skill - Setting up tests
Carefully following a method and using equipment accurately to carry out a scientific enquiry. The method may be designed by teachers or children themselves.
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Words and meanings to learn
solute
a substance that can be dissolved in liquid
solution
a mixture of substances
evaporate
the process where a liquid changes into a gas
pure substance
a substance that has no other substances mixed into it
solvent
a substance that can dissolve a solute (e.g. water)
Clare is an experienced primary school teacher, having worked across both Key Stage 1 and Early Years. Before joining Developing Experts, Clare worked as a Quality Assurance Inspector for a childcare agency, following OFSTED's inspection criteria. Clare is passionate about education and ensuring children's learning is exciting and fun!
In her spare time, Clare is also a mother of two very active children and lots of animals! She enjoys a variety of sports and loves the outdoors!
Sarah is a former headteacher and charity CEO who founded Developing Experts in October 2015 with the goal to create a fit-for-purpose curriculum for schools. The company has created a science curriculum for children ages 4-16 which is delivered through sequenced lessons mapped against the National Curriculum in biology, chemistry, and physics. Developing Expert's innovative approach to learning has already been road-tested and voted 'best EdTech product in Europe', winning Tech Nation’s Rising Stars earlier in 2019 and a place on Google for Startups Immersion program 2020. In 2022 Developing Experts won the BETT Awards for Best Classroom Resource - Teaching Aid. Sarah is a 'LDC Top 50 Most Ambitious Business Leader' 2022. In October 2022 Developing Experts joined Tech Nation's Upscale 8.0 programme.
Sarah is delighted to be working with over 6500 UK schools and clients such as the Royal Horticulture Society, Network Rail, Rolls Royce, BEIS, National Nuclear Labs, Anglian Water and the Ministry of Defence.
Sarah was awarded an MBE for her services to tech and education in 2020.
Katie is the Chief Operating Officer at DE, which means she oversees HR, finance and our business model. After studying Drama at Exeter University, Katie spent three years as a primary teacher, before relocating to Norfolk and joining Developing Experts.
In her spare time, Katie likes to sing with Norwich Harmony barbershop chorus and has recently formed a quartet. Katie loves cooking and spending time with her husband, Bryan and dog, Bertie. She has an endearing laugh, which has to be heard to be believed. Many of us see Katie as the office 'Mum', she gives great hugs and keeps our spirits up.
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Resources: Class presentation, 1 large clear bottle filled with pure water labelled “A”, 1 large clear bottle filled with salt water labelled “B” (30g of table salt in 150 ml of water), teaspoons, small containers such as foil cake cases to place liquid in, labels and access to an oven (200 degrees for 20 minutes will evaporate 3 teaspoons of water and leave salt) or a warm place.
Core Handout (2): An investigation sheet for children to pose their investigation question, make a prediction and draw a diagram of the experiment. Page 2 provides space for the children to record their observations and conclusions.
Stretch handout (3): Children can use the Core Handout to record their experiment or write up their experiment without the prompts. The extension handout asks children to suggest how they could collect pure water from the solution.
Expert film
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