English National Curriculum - Science Science
Mission Objectives
Explain how leaves have adapted to enable photosynthesis
Identify and explain the functions of the different cells in a leaf
Follow a method to collect a sample from a leaf and then view under a microscope
Words and meanings to learn
mesophyll
the inner tissue of a leaf, containing many chloroplasts
epidermis
the upper or outer layer of the two main layers of cells that make up the skin; it is mostly made up of flat, scale-like cells called squamous cells
palisade cells
found in the mesophyll of a leaf, their main function is the absorption of light so that photosynthesis can take place
stomata
pores which are present in the lower epidermis of leaves and allow gas exchange between the plant and the atmosphere
waxy cuticle
the water-tight protective layer covering the upper epidermal cells of leaves and limiting water loss
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Maria completed her PGCE at Oxford in 2005 and taught at schools in Oxford and London before taking time out for family and travel. Maria has led INSET for teachers in Ukraine and gained her Scouting Wood Badge in Belgium. Since returning to the UK and the classroom in 2019, Maria has been awarded Chartered Science Teacher status and more recently, Lead Practitioner. She is also on the Editorial Board for School Science Review, the ASE Journal, and currently teaches at The Charter School East Dulwich as KS5 Science Lead.
Resources: Clear nail varnish, clear sticky tape, deciduous leaves, microscope, microscope slides.
Handout: An investigation sheet for the students to complete.
Expert film
Mission assignment film
View some great examples of student work from this unit
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Ecologist
Horticultural Manager
Horticultural Therapist
Horticultural Worker
Tree Surgeon
Florist
Gardener