English National Curriculum - Science

The carbon cycle

Mission Objectives

Define the equations for photosynthesis and respiration

Explain the processes of photosynthesis, respiration and combustion

Explain why the concentration of carbon dioxide in the atmosphere is rising, and why this is an issue

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Keywords

Words and meanings to learn

carbon

central element in the carbon cycle and involved in various processes like photosynthesis, respiration and combustion

respiration

the process by which animals and plants release carbon dioxide back into the atmosphere

decomposers

organisms that break down dead plants and animals, returning carbon to the atmosphere

fossil fuels

carbon-rich resources formed from dead plants and animals over millions of years, which release CO₂ when burned

photosynthesis

the process by which plants and algae remove CO₂ from the atmosphere, converting it into carbohydrates

This lesson has been written by

Samantha Batch

Samantha is an accomplished science educator whose current work centres on curriculum design and professional development, supporting teachers to deliver high-quality science education through evidence-informed approaches. She is a former Head of Chemistry and Sixth Form Tutor with extensive Key Stage 4 and 5 experience, and has worked as an AQA examiner, giving her valuable insight into assessment standards and what students need to succeed.

Underpinning this is a strong foundation in applied science built across a range of industry roles. Samantha has held scientific roles at John Smith's Brewery, Yorkshire Water and WasteCare, where she led technical projects, drove operational efficiencies and ensured compliance with industry standards. Across these roles she has first-hand experience of how scientific knowledge translates into measurable outcomes in professional and commercial environments.

In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket. 

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