English National Curriculum - Science
Mission Objectives
Explain how a lever can act as a force multiplier
Calculate the turning force acting on an object
Explain how gears can be used to increase or decrease a turning force
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Words and meanings to learn
lever
a simple machine that consists of a rigid bar that pivots around a fixed point called the fulcrum
moment
the measure of the turning effect of a force acting at a distance from a pivot point
turning effect
the rotational equivalent of force; it refers to the ability of a force to cause an object to rotate around a pivot point or axis
gear
a rotating wheel with teeth that interlock with another gear or part to transmit torque and change the direction or speed of rotational movement
force multiplier
a machine or mechanism that increases the input force, allowing a smaller force to have a greater effect; levers, gears and pulleys are examples of force multipliers
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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