Grade 9 · Biology · Semester 1 · 2026–2027

Tracing the living world, plotted step-by-step across the semester.

Every week students explore foundational biological principles — moving from the traits of living organisms and cellular organization to molecular transport, enzymes, and plant/human nutrition. Colored nodes mark key milestones, holidays, and examination periods.

Tap any point on the curve — or any week below — to inspect the topics.

The semester timeline — click any week node to focus on its learning objectives.
W1 W2 W3 W4 W5 W6 W7 W8 W9 W10 W11 W12 W13 W14 W15 W16 W17 W18 W19 W20 ◆ TODAY

Key Semester Checkpoints

Major academic milestones and operational breaks scheduled across Term 1.

Break

National Vacation

Week 5 · Sep 20, 2026

National holiday observance (Sep 23 & 24) amidst Unit 3 introduction.

Break

Autumn Break

Week 14 · Nov 22, 2026

Mid-term recess before commencing human nutrition topics.

Assessment

Semester 1 Exams Start

Weeks 19–20 · Dec 27, 2026

Comprehensive semester evaluations covering Units 1 through 7.

W1
Aug 23, 2026
Characteristics of Living Organisms
Unit 1: Characteristics of living organisms
  • Section 1.1: Characteristics of living organisms
  • Section 1.2: Concept and use of a classification system

Establishes the fundamental criteria that define biological life and taxonomy.

W2
Aug 30, 2026
Classification & Dichotomous Keys
Unit 1: Characteristics of living organisms
  • Section 1.2: Concept and use of a classification system (cont.)
  • Section 1.3: Features of organisms & Dichotomous keys

Provides structural tools to classify and identify diverse living organisms.

W3
Sep 6, 2026
Cell Structure & Microscopy
2. Organisation of the Organism
  • Section 2.1: Cell structure and organisation

Explores the fundamental microscopic building blocks of cellular organisms.

W4
Sep 13, 2026
Levels of Organisation
2. Organisation of the Organism
  • Section 2.2: Levels of organisation (Cells, Tissues, Organs, Systems)

Connects individual cells to complex, integrated biological systems.

W5
Sep 20, 2026
Diffusion Processes & Holiday
Unit 3 Movement into and out of cells
Vacation
  • Section 3.1: Diffusion
  • National vacation on Sep 23 & 24[cite: 14]

Covers passive molecular movement alongside National Vacation days[cite: 14].

W6
Sep 27, 2026
Osmosis & Active Transport
Unit 3 Movement into and out of cells
  • Section 3.2: Osmosis
  • Section 3.3: Active transport

Analyzes water potential dynamics and energy-dependent cellular transport.

W7
Oct 4, 2026
Chemical Structure of Biomolecules
Unit 4 Biological Molecules
  • Section 4.1: Biological molecules (Carbohydrates, Lipids, Proteins)

Examines core organic molecules required for biological structure and function.

W8
Oct 11, 2026
Biochemical Assays & Food Tests
Unit 4 Biological Molecules
  • Section 4.1: Biological molecules & practical testing protocols

Hands-on laboratory testing for starch, reducing sugars, proteins, and fats.

W9
Oct 18, 2026
Enzyme Action & Specificity
Unit 5 Enzymes
  • Section 5.1: Action and properties of enzymes

Investigates biological catalysts and lock-and-key substrate interaction.

W10
Oct 25, 2026
Factors Affecting Enzymes
Unit 5 Enzymes
  • Section 5.1: Effects of temperature and pH on enzyme activity

Understands environmental boundaries and denaturation of catalytic proteins.

W11
Nov 1, 2026
Photosynthesis Principles
Unit 6 Plant Nutrition
  • Section 6.1: Photosynthesis process and equation

Detailing solar energy conversion into chemical energy in autotrophs.

W12
Nov 8, 2026
Chlorophyll & Light Experiments
Unit 6 Plant Nutrition
  • Section 6.1: Investigations into light intensity and chlorophyll requirements

Experimental validation of photosynthetic factors and rate determinants.

W13
Nov 15, 2026
Leaf Anatomy & Adaptation
Unit 6 Plant Nutrition
  • Section 6.2: Leaf structure, stomatal function, and tissue adaptations

Correlates physical plant tissue structures with photosynthetic efficiency.

W14
Nov 22, 2026
Autumn Break
Autumn Break
Break
  • No scheduled classes — Mid-semester recess

Scheduled institutional break for rest and academic review.

W15
Nov 29, 2026
Dietary Requirements & Balanced Diets
Unit 7 Human Nutrition
  • Section 7.1: Diet and essential nutrients
  • Section 7.2: Human alimentary canal anatomy

Covers dietary needs and introduces human digestive anatomy.

W16
Dec 6, 2026
Digestive System & Processing
Unit 7 Human Nutrition
  • Section 7.2: Human digestive system mechanics (cont.)
  • Section 7.3: Mechanical and chemical digestion

Traces mechanical breakdown and enzymatic cleavage of food nutrients.

W17
Dec 13, 2026
Chemical Digestion & Absorption
Unit 7 Human Nutrition
  • Section 7.3: Chemical digestion enzymes (cont.)

Explores digestive enzyme function in breakdown and intestinal absorption.

W18
Dec 20, 2026
Absorption, Assimilation & Egestion
Unit 7 Human Nutrition
  • Section 7.4: Absorption and villi structure
  • Section 7.5: Assimilation and egestion

Finalizes nutrient transfer into blood and waste elimination.

W19
Dec 27, 2026
Semester 1 Exams Start
Semester 1 Exams
Exams Start
  • Comprehensive term evaluations begin[cite: 14]

Formal evaluation phase covering all Semester 1 units.

W20
Jan 3, 2027
Semester 1 Exams Conclude
Semester 1 Exams
Exams
  • Final examination period and term closure[cite: 14]

Concluding assessment period for Semester 1[cite: 14].