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Lesson title: Energy Flows – Pyramids of Biomass
Class: 11a2           Date: 7th December Period:3                                      No. Pupils:16
                            Lesson Objectives (WALT):
       To explain how solar radiation is the source of all energy for living organisms and how
        this is incorporated into biomass
Time                  Activity Content / Notes (key points, questions to ask, assessment of learning, safety)

        Before        Have all the equipment where needed.
        entry
11.14   Starter 15    Recall a simple food chain and describe the terms used e.g. producer,
        mins          herbivore, carnivore. Define biomass. (use the ‘What am I?’ ppt on e-science)
11.29   Main          Use the simulation ‘Pyramids of Biomass’ on e-science to show how food
        activity 1    chains can be represented as pyramids of numbers and biomass. Go
        mins          through the issues with pyramid of number with reference to oak trees extra
                      and draw some in books.

                      Draw some unusual pyramids of numbers and get students to relate to a
                      food chain. E.g. lettuce, aphid, tit, hawk

                     Complete work sheet
11.54   Plenary      Work through the pages from NEB
        10 mins
        Extra work
         Risk Assessment                   Homework                               Vocabulary (key words)
                                       Complete exam style
                                      questions due in 14th
Differentiation


Links with previous lessons

Specification Links
Radiation from the Sun is the source of energy for most communities of living organisms. Green
plants capture a small part of the solar energy which reaches them. This energy is stored in the
substances which make up the cells of the plants.
The mass of living material (biomass) at each stage in a food chain is less than it was at the
previous stage. The biomass at each stage can be drawn to scale and shown as a pyramid of
biomass.
Equipment
New Edition Biology – if poor weather
Pyramids of numbers and biomass

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Energy Flows – Pyramids Of Biomass

  • 1. Lesson title: Energy Flows – Pyramids of Biomass Class: 11a2 Date: 7th December Period:3 No. Pupils:16 Lesson Objectives (WALT):  To explain how solar radiation is the source of all energy for living organisms and how this is incorporated into biomass Time Activity Content / Notes (key points, questions to ask, assessment of learning, safety) Before Have all the equipment where needed. entry 11.14 Starter 15 Recall a simple food chain and describe the terms used e.g. producer, mins herbivore, carnivore. Define biomass. (use the ‘What am I?’ ppt on e-science) 11.29 Main Use the simulation ‘Pyramids of Biomass’ on e-science to show how food activity 1 chains can be represented as pyramids of numbers and biomass. Go mins through the issues with pyramid of number with reference to oak trees extra and draw some in books. Draw some unusual pyramids of numbers and get students to relate to a food chain. E.g. lettuce, aphid, tit, hawk Complete work sheet 11.54 Plenary Work through the pages from NEB 10 mins Extra work Risk Assessment Homework Vocabulary (key words) Complete exam style questions due in 14th Differentiation Links with previous lessons Specification Links Radiation from the Sun is the source of energy for most communities of living organisms. Green plants capture a small part of the solar energy which reaches them. This energy is stored in the substances which make up the cells of the plants. The mass of living material (biomass) at each stage in a food chain is less than it was at the previous stage. The biomass at each stage can be drawn to scale and shown as a pyramid of biomass. Equipment New Edition Biology – if poor weather Pyramids of numbers and biomass