English National Curriculum - Science
Mission Objectives
Describe the pathway of oxygen around the respiratory system
Explain how the alveoli are adapted for efficient gas exchange
Explain the difference between respiration and breathing
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Words and meanings to learn
diffusion
the net movement of particles from an area of high concentration to an area of low concentration
inhalation
the process of breathing in, where the diaphragm contracts and flattens, the ribcage moves up and out, the volume of the chest increases, and air is drawn into the lungs
exhalation
the process of breathing out, where the diaphragm relaxes and domes upwards, the ribcage moves down and in, the volume of the chest decreases, and air is forced out of the lungs
alveoli
tiny air sacs in the lungs where gas exchange occurs by diffusion
respiratory system
the organ system that allows ventilation and gas exchange, supplying oxygen to the blood and removing carbon dioxide
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.
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Samantha is an accomplished science educator with over 15 years of leadership experience and a strong background in scientific analysis. She has a proven record of leading departments effectively, improving practice, and working collaboratively with stakeholders.
In her current work, Samantha embeds evidence-informed pedagogical principles such as retrieval practice, clear modelling, and effective sequencing to support high-quality curriculum design and professional development. She draws on assessment insight and common misconceptions to help teachers secure strong student understanding.
She is a former Head of Chemistry and Sixth Form Tutor at Ilkley Grammar School, with extensive Key Stage 4 and 5 experience, and an AQA examiner, giving her valuable insight into assessment standards and exam requirements.
In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket.
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