Levels 1 to 57 of 12 books ready

Living things

Every book on this topic, lowest level first. Each one builds on the book above it. If a book feels hard, go back up the ladder to the one before.

  1. S1.1Level 1, classes 1 and 2Planned

    Plants from seeds

    Seeds grow into new plants when they get water and warmth.

    1. Seeds are everywhere
    2. A seed wakes up
    3. Parts of a plant
    4. What plants need
    5. Flowers, fruits and new seeds
    6. Plants we use

    6 chapters planned

  2. S1.2Level 1, classes 1 and 2Planned

    Animals and where they live

    Animals live in many places, and each place gives them food and shelter.

    1. Animals around us
    2. What animals need
    3. Animal homes
    4. Hot, cold, wet and dry places
    5. Babies and growing up
    6. Caring for animals

    6 chapters planned

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    S3.1Level 3, classes 6 to 8

    Cells

    All living things are made of tiny cells, and each part of a cell has a job.

    1. Signs of life
    2. Seeing small things
    3. Animal and plant cells
    4. What each part does
    5. Cells with special jobs
    6. Cells, tissues and organs
    7. Diffusion
    8. Living things with one cell

    8 chapters

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    S4.3Level 4, classes 9 and 10

    Evolution and ecology

    Living things change over many generations and depend on each other and their surroundings.

    1. Natural selection
    2. Evidence for evolution
    3. New species and extinction
    4. Classification
    5. The carbon and nitrogen cycles
    6. Measuring populations
    7. Interdependence
    8. Biodiversity and people

    8 chapters

  10. S5.1Level 5, classes 11 and 12Planned

    Molecules and cells

    Life runs on a few kinds of molecule working together inside cells.

    1. Water and carbohydrates
    2. Lipids and proteins
    3. Enzyme action and inhibition
    4. DNA, RNA and replication
    5. Protein synthesis
    6. Cell ultrastructure
    7. Membranes and transport
    8. The cell cycle and cancer

    8 chapters planned

  11. S5.2Level 5, classes 11 and 12Planned

    Genetics and evolution

    Genes pass on in patterns we can predict, and populations change as their genes change.

    1. Meiosis and variation
    2. Monohybrid and dihybrid crosses
    3. Sex linkage, linkage and epistasis
    4. Testing results with chi squared
    5. Control of gene expression
    6. Population genetics
    7. Selection and speciation
    8. Gene technology

    8 chapters planned

  12. S5.3Level 5, classes 11 and 12Planned

    Photosynthesis, respiration and ecosystems

    Plants capture energy from sunlight, cells release it, and ecosystems pass it along.

    1. ATP and energy in cells
    2. The light dependent reactions
    3. The light independent reactions
    4. Limiting factors
    5. Glycolysis and the Krebs cycle
    6. Oxidative phosphorylation and anaerobic respiration
    7. Energy transfer in ecosystems
    8. Nutrient cycles and succession

    8 chapters planned