English National Curriculum - Science
Mission Objectives
Describe how electrical power is transferred from power stations to consumers using the National Grid
Explain the role of step-up and step-down transformers in transmitting electricity efficiently
Evaluate why the National Grid is an efficient system for transferring energy over long distances
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Words and meanings to learn
National Grid
a network of cables and transformers that transfers electrical power from power stations to consumers across the country
step-down transformer
a device that decreases the voltage of electricity to a safer level for domestic or business use
potential difference (voltage)
the energy transferred per unit charge in an electric circuit, measured in volts (V)
base load
the minimum level of continuous electricity demand supplied by large, efficient power stations running constantly
step-up transformer
a device that increases the voltage of electricity for efficient transmission over long distances by reducing current and energy loss
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.
National grid demo set up.
Handouts
Expert film
Mission assignment film
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