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Basic Science

BASIC SCIENCE JS 2

This eBook is the result of thorough research into the general principles of Basic Science for Junior Secondary Schools. Designed as both a textbook and workbook (in its hard copy version), it aims to...

13 chapters 104 lessons 0 students Kingsley Ezechinyere
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Course Curriculum

13 chapters Β· 104 lessons

  • Meaning of Habitat
  • Types of Habitats
  • ADAPTATION OF ORGANISMS TO THEIR HABITAT
  • Distinguishing Characteristics of Organisms in Different Habitats
  • Carbon Cycle, Food Chain and Food Web
  • UNIQUENESS OF MAN
  • The Human Brain
  • SUMMARY – LIVING THINGS
  • EVALUATION

  • Definition of Growth and Development
  • Differences between Mitosis and Meiosis
  • Growth and Developmental Changes
  • Characteristic Features of Developmental Stages
  • Classifying Growth and Developmental Changes
  • SUMMARY - GROWTH AND DEVELOPMENTAL CHANGES
  • EVALUATION

  • Meaning of Chemicals
  • Classification of Chemicals
  • Safety Measures When Using Chemicals
  • CHEMICAL ELEMENTS AND COMPOUNDS
  • Chemical Compound
  • Nature of Elements
  • Structure of Atom
  • Mixture
  • SUMMARY – CHEMICALS
  • EVALUATION

  • Types of Changes in Non-living Things
  • Physical Change
  • Chemical Change
  • Differences between Physical and Chemical Changes
  • SUMMARY - CHANGES IN NON-LIVING THINGS
  • EVALUATION

  • Meaning of Work
  • Scientific Conception of Work
  • Meaning of Force
  • Meaning of Energy
  • Sources of Energy
  • Meaning of Power
  • Mechanical Energy
  • Potential Energy
  • Kinetic Energy
  • Calculations Involving Work Done
  • Energy Transfer When Work is Done
  • Conversion of Energy
  • SUMMARY - WORK, ENERGY AND POWER
  • EVALUATION

  • The Kinetic Theory
  • Molecular Structure of Solids, Liquids and Gases
  • Explanation of Some Phenomena Using Kinetic Energy
  • Explanation of the Pressure of Gases, Evaporation, Boiling and Rates of Chemical Reaction Using Kinetic Energy
  • Difference between Boiling and Evaporation
  • Factors Affecting Evaporation
  • SUMMARY – TYPES OF ENERGY
  • EVALUATION

  • Meaning of Thermal Energy
  • Methods of Heat Transfer
  • CONDUCTION
  • CONVECTION
  • RADIATION
  • SUMMARY – THERMAL ENERGY
  • EVALUATION

  • Meaning of Crude Oil
  • Meaning of Petroleum
  • Meaning of Petrochemicals
  • Refining Crude Oil
  • Oil Refining and Fractional Distillation
  • Products of Fractional Distillation of Crude Oil
  • The Refining Process
  • Crude Oil Fractionates
  • Uses of Petrochemical
  • Importance of Crude Oil and Petrochemicals
  • SUMMARY - CRUDE OIL AND PETROCHEMICALS
  • EVALUATION

  • Meaning of Atom
  • Modern day symbols of atoms of different elements
  • Meaning of Molecule
  • What is an ion?
  • Writing Chemical Formulae
  • Electrons, Protons, Neutrons and Nucleus
  • Valency
  • Atomic Number and Mass Number
  • Molar mass
  • Radioactive Element
  • SUMMARY - ATOMS AND MOLECULES

  • Digestive System
  • Disorders of Digestive System
  • RESPIRATORY SYSTEM
  • Common Diseases of Respiratory System
  • SUMMARY - HUMAN ORGAN (DIGESTIVE AND RESPIRATORY) SYSTEMS
  • EVALUATION

  • Nervous System
  • Neuron or Nerve Cell
  • Types of Neurons
  • Central Nervous System (CNS)
  • Peripheral Nervous System
  • Actions Controlled by the Nervous System
  • EXCRETORY SYSTEM
  • Kidneys and Associated Structures
  • Function of Kidneys
  • MALFUNCTIONING OF KIDNEYS
  • Treatment of Malfunctioned Kidneys
  • SUMMARY - HUMAN ORGAN (NERVOUS AND KIDNEY) SYSTEMS II
  • EVALUATION

  • Read each question carefully and choose the correct option from letter A – D

About This Course

This eBook is the result of thorough research into the general principles of Basic Science for Junior Secondary Schools. Designed as both a textbook and workbook (in its hard copy version), it aims to enhance the teaching and learning of Basic Science while encouraging readers to explore the latest discoveries in science. It serves as an easy-to-understand guide for both students and teachers. In preparing this edition, the author ensured the inclusion of review questions that address emerging national and global issues in fields such as science, engineering, health, information technology, and entrepreneurship. The book is structured around real-life applications, with the goal of developing students’ creative potential in Science, Arts, and Technology for economic transformation. It also seeks to deepen understanding and stimulate curiosity about scientific advancements. The language has been simplified to ensure easy comprehension of key concepts. Additionally, the series includes relevant images and colorful illustrations to make learning more engaging. Each chapter concludes with a summary and evaluation questions to assess the reader’s level of understanding. The book also features one hundred and thirty multiple-choice questions (MCQs), along with their answers, at the end. With this resource, students will acquire essential scientific skills and the knowledge needed to excel in both internal and external examinations.

Your Instructor

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Kingsley Ezechinyere
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