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Forces

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Unit Summary

This unit ‘Force’ takes children through six lessons where they learn how to: explain that unsupported objects fall towards the Earth because of the force of gravity acting between the Earth and the falling object; identify the effects of air resistance, water resistance and friction, that act between moving surfaces; and finally, they learn how to recognise that some mechanisms including levers, pulleys and gears allow a smaller force to have a greater effect.

The lessons have been written in sequence and are designed to challenge children to recall the knowledge and skills they have covered in the previous lesson(s). This unit builds on the Forces and Magnets topic they covered during year 3.

Developing Experts has worked with Rolls Royce SMR to produce this unit with the goal of ensuring that career choice is no longer left to chance, we are committed to connecting talent to local opportunity. The Gatsby Benchmarks, therefore, permeate our curriculum and careers library. The team worked with staff at the Rolls Royce SMR who are committed to supporting young people to achieve their potential. You can find out about the careers and job vacancies at Rolls Royce SMR in our careers zone.

This unit has been written by

Clare Faulkner

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!

Dr Shannon Weldon

Shannon started her journey with Developing Experts by completing PHD placement while studying for her Doctorate in Developmental Biology at the University of East Anglia. Shannon has since joined the team full-time as a Project Manager working with the company's industry partners. Shannon knows a lot about chickens!

Heather Bingham

Heather qualified with a first-class honours degree in climate science from the University of East Anglia. Since, she has joined Developing Experts as a writer and presenter, specialising in earth and environmental sciences.

She is also an internationally published science author, having written a series of CLIL (Content and Language Integrated Learning) digital textbooks aimed at improving learners’ understanding of English whilst igniting an interest in science.

Katie Barrie


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.  

Contact: [email protected]  

Sarah Mintey MBE

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. 

Enquiry Approach - Problem-solving

Applying prior scientific knowledge to solve problems and answer further questions.

Enquiry Skill - Evaluating

Assessing the success of a scientific enquiry by evaluating the prediction, method and results and identifying further questions for enquiry.

Enquiry Approach - Comparative / fair testing

Conducting a test that controls all but one variable to answer a scientific question.

Enquiry Skill - Making predictions

Using prior knowledge to make informed suggestions on what may happen in a scientific enquiry.

Enquiry Approach - Problem-solving

Applying prior scientific knowledge to solve problems and answer further questions.

Enquiry Skill - Observing and measuring

Using the senses and taking measurements, using a range of equipment, to make observations about a scientific enquiry.

Enquiry Approach - Problem-solving

Applying prior scientific knowledge to solve problems and answer further questions.

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.

Enquiry Approach - Comparative / fair testing

Conducting a test that controls all but one variable to answer a scientific question.

Enquiry Skill - Interpreting and communicating results

Using information, results and data to present findings, including oral and written explanations.

Enquiry Approach - Comparative / fair testing

Conducting a test that controls all but one variable to answer a scientific question.

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.