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Class 9 Science

This book takes you from how scientists think and work into cells and tissues, motion, forces, energy and sound, mixtures, atoms, reproduction, classification and the Earth as a system. Every chapter is listed below with its key topics, and the sample chapter shows the cheat sheet, flashcards and quiz Classly makes from a chapter.

Follows the Class 9 Science textbook.

Sample chapter

Chapter 2Cell: The Building Block of LifeCheat sheet, 10 flashcards and a 5-question quiz with answers

All 13 chapters

  1. 1
    Exploration: Entering the World of Secondary Science

    scientific models · assumptions and approximation · precise scientific language · branches of science · interdisciplinary thinking

  2. 2
    Cell: The Building Block of LifeCheat sheet · flashcards · quiz

    prokaryotic and eukaryotic cells · cell membrane · nucleus and chromosomes · cell organelles · mitochondria

  3. 3
    Tissues in Action

    meristematic tissue · permanent tissue · parenchyma collenchyma sclerenchyma · xylem and phloem · epithelial tissue

  4. 4
    Describing Motion Around Us

    distance and displacement · speed and velocity · acceleration · distance-time graph · velocity-time graph

  5. 5
    Exploring Mixtures and their Separation

    homogeneous and heterogeneous mixtures · solutions suspensions colloids · crystallisation · distillation · paper chromatography

  6. 6
    How Forces Affect Motion

    force · balanced and unbalanced forces · friction · Newton's first law · inertia

  7. 7
    Work, Energy, and Simple Machines

    work · joule · work-energy theorem · kinetic energy · potential energy

  8. 8
    Journey Inside the Atom

    atomic models · Thomson model · Rutherford gold foil experiment · Bohr model · electrons protons neutrons

  9. 9
    Atomic Foundations of Matter

    law of conservation of mass · law of constant proportions · Dalton's atomic theory · molecules · covalent bond

  10. 10
    Sound Waves: Characteristics and Applications

    sound waves · longitudinal wave · compression and rarefaction · wavelength · frequency and time period

  11. 11
    Reproduction: How Life Continues

    asexual reproduction · budding and spore formation · vegetative propagation · pollination · fertilisation

  12. 12
    Patterns in Life: Diversity and Classification

    biodiversity hotspot · five kingdom classification · Monera, Protista and Fungi · Plantae divisions

  13. 13
    Earth as a System: Energy, Matter, and Life

    insolation · uneven heating of the Earth · winds and ocean currents · atmosphere layers · ozone layer

Make your own for any Class 9 Science chapter

Open this textbook in Classly, pick a chapter and get your own cheat sheet, flashcards or quiz in about a minute. Free to start.

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