Lower Secondary Science Matters Textbook Volume A (2nd Edition)

• Helps students relate to scientific concepts using real-life context.
• Engages students through visuals - Information is communicated clearly and concisely in this manner. In addition, fascinating pictures are used to create excitement among students and make learning more enjoyable.
• Encourages critical thinking and challenges students to think about concepts at a broader level as well as understand the ethical issues surrounding science and technology.

CONTENTS

1. The Scientific Endeavour

1.1 What is Science?

1.2 How is Scientific Knowledge Derived? - Attitudes in Science

1.3 How is Scientific Knowledge Derived? - The Scientific Method

1.4 How does Science and Technology Affect our Lives?

1.5 Safety Practices during Scientific Investigations

2 Exploring Diversity of Matter by its Physical Properties

2.1 Physical Properties of Matter

2.2 Density

3 Exploring Diversity of Matter by its Chemical Composition

3.1 Chemical Composition of Matter

3.2 What are Elements?

3.3 What are Compounds?

3.4 What are Mixtures?

4 Exploring Diversity of Matter Using Separation Techniques

4.1 Separating Mixtures

4.2 Obtaining Drinking Water from Non-potable Water

5 Understanding Diversity of Organisms

5.1 The Variety of Life

5.2 The Importance of Biodiversity

5.3 Classifying and Identifying Organisms Using Dichotomous Keys

6 Model of Cells - The Basic Units of Life

6.1 What are Cells?

6.2 What is Inside a Typical Cell?

6.3 Forming a Multicellular Organism

6.4 Division of Labour

7 Model of Matter - The Particulate Nature of Matter

7.1 Using the Particulate Nature of Matter as a Model

7.2 Models of States of Matter

7.3 Models of Expansion and Contraction

7.4 Models of Changes in State

8 Model of Matter - Atoms and Molecules

8.1 The Atom

8.2 Using Models to Represent Atoms

8.3 Using a Model to Represent the Structure of an Atom

8.4 The Molecule

9 Ray Model of Light

9.1 What is Light?

9.2 Reflection

9.3 Refraction

9.4 Dispersion of Light

9.5 Colours