🎓 Grade 9 Science

Grade 9 Science Classes (2026)

Pre-O/L Science Excellence

Complete Grade 9 Science curriculum with 19 comprehensive units covering all essential concepts for O/L preparation.

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19
Units
30+
Topics
Live
Online Class

Grade 9 Class Details

Live online Science class via Zoom — here's what to expect

Online ClassNow Enrolling
🎓

Grade 9 Science - 2026

Live online Science class via Zoom. The class link is sent 30 minutes before each session.

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Online (Zoom)

LKR 1500

Thursday 6:00 PM - 8:00 PM

2 hours

Features:

Live Zoom sessionRecorded lessons on LMS
✨ Premium Learning Experience

Why Choose Our Grade 9 Classes?

Advanced science education with special focus on O/L preparation for Grade 9 students

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Interactive Learning

Engaging activities with live demonstrations in online classes and hands-on experiments in physical classes, plus virtual simulations that make science fun, exciting, and memorable.

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Practical Demonstrations

Experience science in action through live demonstrations, presented both online and in physical classes to make concepts clear and memorable.

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Personalized Support

A dedicated admin team monitors individual students during classes and provides continuous support for both students and parents.

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Regular Assessments

We use spot tests to review each day's lessons, along with unit tests and term tests conducted online through the LMS. This ensures continuous monitoring of students' progress.

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Digital Resources

Students get access to online materials and video lessons through the LMS, directly related to the class content.

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O/L Preparation Focus

Special focus on O/L examination preparation with structured study plans, past paper analysis, and exam techniques for Grade 9 students.

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Support for Confident English Learning

Students who are not fluent in English receive special guidance to help them understand the syllabus and concepts in this English-medium science class.

📚 Official Grade 9 Science Textbook

Grade 9 Science Curriculum

Complete Grade 9 Science curriculum with 19 comprehensive units across Part I & Part II designed for O/L preparation

19
Units
30+
Topics
2
Parts
100%
O/L Prep
1
🦠
Unit 1Page 1

Applications of Micro-organisms

Micro-organisms, their environments and their effects.

Topics Covered

3 topics
  • 1
    1.1 Micro-organisms
  • 2
    1.2 Environments and substrates of micro-organisms
  • 3
    1.3 Effects of micro-organisms
Progress1 of 19 units
2
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Unit 2Page 16

Eye and Ear

Structure, function and defects of the human eye and ear.

Topics Covered

5 topics
  • 1
    2.1 Structure and function of the human eye
  • 2
    2.2 Defects of vision
  • 3
    2.3 Eye diseases
  • 4
    2.4 Structure and function of the human ear
  • 5
    2.5 Defects of the ear
Progress2 of 19 units
3
⚗️
Unit 3Page 38

Nature and Properties of Matter

Elements, compounds and mixtures.

Topics Covered

3 topics
  • 1
    3.1 Elements
  • 2
    3.2 Compounds
  • 3
    3.3 Mixtures
Progress3 of 19 units
4
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Unit 4Page 52

Basic Concepts Associated with Force

Force, its magnitude, direction and graphical representation.

Topics Covered

4 topics
  • 1
    4.1 Force
  • 2
    4.2 Magnitude of force
  • 3
    4.3 Direction and point of application
  • 4
    4.4 Graphical representation of force
Progress4 of 19 units
5
⬇️
Unit 5Page 60

Pressure Exerted by Solids

Pressure, the factors affecting it and its units.

Topics Covered

4 topics
  • 1
    5.1 Pressure
  • 2
    5.2 Factors affecting pressure
  • 3
    5.3 Units of pressure
  • 4
    5.4 Changing the factors affecting pressure
Progress5 of 19 units
6
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Unit 6Page 72

The Human Circulatory System

The heart, blood vessels, blood and blood transfusion.

Topics Covered

4 topics
  • 1
    6.1 Structure of the human heart
  • 2
    6.2 Arteries, veins and capillaries
  • 3
    6.3 Components of blood and their functions
  • 4
    6.4 Blood transfusion
Progress6 of 19 units
7
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Unit 7Page 83

Plant Growth Substances

Plant growth substances and the uses of artificial growth substances.

Topics Covered

2 topics
  • 1
    7.1 Introduction to plant growth substances
  • 2
    7.2 Uses of artificial growth substances
Progress7 of 19 units
8
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Unit 8Page 89

Support and Movements of Organisms

Support and movement in animals and plants.

Topics Covered

3 topics
  • 1
    8.1 Support and movements of animals
  • 2
    8.2 Bones, muscles and joints
  • 3
    8.3 Support and movements of plants
Progress8 of 19 units
9
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Unit 9Page 98

The Evolutionary Process

Origin of the Earth and of life, and the process of evolution.

Topics Covered

4 topics
  • 1
    9.1 Origin of the Earth
  • 2
    9.2 Origin of life on the Earth
  • 3
    9.3 Evolution
  • 4
    9.4 Importance of evolution in bio-diversity
Progress9 of 19 units
10
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Unit 10Page 1

Electrolysis

Electrolysis, the effect of electric current in solutions and electroplating.

Topics Covered

3 topics
  • 1
    10.1 Electrolysis
  • 2
    10.2 Changes caused by an electric current
  • 3
    10.3 Electroplating
Progress10 of 19 units
11
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Unit 11Page 10

Density

Density, its units and the use of hydrometers.

Topics Covered

3 topics
  • 1
    11.1 Introduction to density
  • 2
    11.2 Units of density
  • 3
    11.3 Hydrometers
Progress11 of 19 units
12
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Unit 12Page 19

Bio-diversity

Importance and threats to bio-diversity and the features of ecosystems.

Topics Covered

5 topics
  • 1
    12.1 Introduction to bio-diversity
  • 2
    12.2 Importance of bio-diversity
  • 3
    12.3 Threats to bio-diversity
  • 4
    12.4 Important features of ecosystems
  • 5
    12.5 Natural ecosystems and built environment
Progress12 of 19 units
13
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Unit 13Page 42

Artificial Environment and Green Concept

The green concept applied to agricultural and industrial processes.

Topics Covered

3 topics
  • 1
    13.1 Artificial environment and green concept
  • 2
    13.2 Agricultural process
  • 3
    13.3 Industrial process
Progress13 of 19 units
14
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Unit 14Page 58

Reflection and Refraction of Waves

Reflection of light and sound, and refraction of light.

Topics Covered

3 topics
  • 1
    14.1 Reflection of light
  • 2
    14.2 Sound
  • 3
    14.3 Refraction of light
Progress14 of 19 units
15
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Unit 15Page 84

Simple Machines

Levers, inclined planes, the wheel and axle, and pulleys.

Topics Covered

4 topics
  • 1
    15.1 Lever
  • 2
    15.2 Inclined plane
  • 3
    15.3 Wheel and axle
  • 4
    15.4 Pulleys
Progress15 of 19 units
16
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Unit 16Page 103

Nanotechnology and its Applications

Nanometres, nanotechnology and its applications.

Topics Covered

4 topics
  • 1
    16.1 Nanometre
  • 2
    16.2 Nanotechnology
  • 3
    16.3 Applications of nanotechnology
  • 4
    16.4 Future conditions from nanotechnology
Progress16 of 19 units
17
Unit 17Page 119

Lightning Accidents

How lightning occurs and how to prevent lightning accidents.

Topics Covered

2 topics
  • 1
    17.1 How lightning occurs
  • 2
    17.2 Prevention of lightning accidents
Progress17 of 19 units
18
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Unit 18Page 129

Natural Disasters

Cyclones, earthquakes, tsunami, wildfires and global warming.

Topics Covered

5 topics
  • 1
    18.1 Cyclones
  • 2
    18.2 Earthquakes
  • 3
    18.3 Tsunami
  • 4
    18.4 Wild fires
  • 5
    18.5 Global warming and its relationships
Progress18 of 19 units
19
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Unit 19Page 152

Sustainable Use of Natural Resources

Sustainable use of water, minerals and trees.

Topics Covered

3 topics
  • 1
    19.1 Water
  • 2
    19.2 Minerals and rocks
  • 3
    19.3 Trees
Progress19 of 19 units
📚 Study Materials

Our Grade 9 Workbooks

Three term workbooks— Term 1, Term 2 and Term 3 — together covering the entire year's syllabus with notes, activities, and term test practice.

Grade 9 Term 1 Science Workbook cover
First Term

Term 1 Workbook

Units 1–5 · 5 units

Units covered

  • 1Applications of Micro-organisms
  • 2Eye and Ear
  • 3Nature and Properties of Matter
  • 4Basic Concepts Associated with Force
  • 5Pressure Exerted by Solids
Grade 9 Term 2 Science Workbook cover
Second Term

Term 2 Workbook

Units 6–13 · 8 units

Units covered

  • 6The Human Circulatory System
  • 7Plant Growth Substances
  • 8Support and Movements of Organisms
  • 9The Evolutionary Process
  • 10Electrolysis
  • 11Density
  • 12Bio-diversity
  • 13Artificial Environment and Green Concept
Grade 9 Term 3 Science Workbook cover
Third Term

Term 3 Workbook

Units 14–19 · 6 units

Units covered

  • 14Reflection and Refraction of Waves
  • 15Simple Machines
  • 16Nanotechnology and its Applications
  • 17Lightning Accidents
  • 18Natural Disasters
  • 19Sustainable Use of Natural Resources

📚 What's Included in Each Term Workbook?

Each term workbook covers that term's units with targeted notes and practice for the 1st, 2nd, and 3rd term tests.

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Theory Notes

Clear explanations and key concepts

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Experiments

Step-by-step practical activities

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Practice Tests

Term test practice and assessments

Exercises

Questions covering every unit

Ready to Excel in Grade 9 Science?

Join our comprehensive Grade 9 science program with special focus on O/L preparation.

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