English National Curriculum - Science
Mission Objectives
Describe how adrenaline prepares the body for “fight or flight”
Explain the roles of adrenaline and thyroxine in the body, including their effects on physiological processes
Explain how thyroxine levels are regulated by negative feedback to control metabolic rate, growth and development
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Words and meanings to learn
gland
an organ in the endocrine system that produces and releases hormones into the bloodstream.
thyroxine
a hormone produced by the thyroid gland that controls the body’s metabolic rate
adrenaline
a hormone released by the adrenal glands that prepares the body for “fight or flight” by increasing heart rate, breathing rate and blood flow to muscles
receptors
specialised cells or proteins that detect changes in the environment (stimuli) and respond to specific signals, such as changes in temperature or hormone levels
negative feedback
a control mechanism in which a change in a condition triggers responses that reverse the change, keeping the body’s internal environment stable
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.
Samantha has written the complete KS4 Science curriculum, fully aligned with the AQA GCSE Science: Trilogy specification. Covering biology, chemistry and physics, the curriculum is carefully sequenced so that students build knowledge cumulatively and see clear connections between concepts across the three sciences. Drawing on her experience as an examiner and on research into effective teaching, she has designed it to embed retrieval practice, clear explanation, worked examples and the required practicals throughout, preparing students for the demands of the GCSE exams. Grounded in the realities of the classroom, the curriculum is rigorous for students and manageable for busy teachers.
In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket.
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