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Grade 9 Technology: modules and lessons

Explore Grade 9 Technology: 9 modules and 43 lesson entries. Use the dorKk lesson guide to plan revision and catch-up study.

dorKk provides pre-recorded CAPS-aligned video lessons for self-paced study alongside schoolwork. Choose a module below, find the lesson that matches your classwork, and use the sequence to identify gaps. This guide lists lesson titles; access to the videos depends on your subscription. dorKk is not an online school.

Source: dorKk English lesson list dated 21 January 2026. Catalogue entries may differ from current app availability.

Plan your study

  1. Choose the module you are currently studying at school.
  2. Try a textbook question first and note where you get stuck.
  3. Watch the matching lesson, try again and keep a list of questions for your teacher.

ORTHOGRAPHIC PROJECTION

  1. 1.1.FIRST ANGLE ORTHOGRAPHIC PROJECTIONS
  2. 1.2.LINE TYPES
  3. 1.3.SCALE DIMENSIONS

DESIGN SKILLS

  1. 2.1.COMPLEX 3D OBJECTS
  2. 2.2.DESIGN PROBLEM; DESIGN A FLIGHT OF STAIRS

STRUCTURES

  1. 3.1.FORCES; STATIC DYNAMIC AND LOADS
  2. 3.2.STRENGTH OF MATERIALS UNDER THE ACTION OF FORCES
  3. 3.3.PROPERTIES OF CONSTRUCTION MATERIALS

PAT

  1. 4.1.MINI PAT PART 1
  2. 4.2.MINI PAT PART 2

MECHANICAL SYSTEMS AND CONTROL

  1. 5.1.SYRINGE MECHANICS
  2. 5.2.THE HYDRAULIC PRESS
  3. 5.3.THE HYDRUALIC JACK
  4. 5.4.SINGLE WHEEL PULLEY
  5. 5.5.SINGLE WHEEL MOVEABLE PULLEY
  6. 5.6.BLOCK PULLEY SYSTEM
  7. 5.7.RATCHET AND PAWL; DISC BRAKE; BICYCLE BRAKE; CLEAT
  8. 5.8.SPUR GEARS OF EQUAL SIZE
  9. 5.9.SPUR GEARS OF UNEQUAL SIZE
  10. 5.10.SPUR GEARS USING AN IDLER
  11. 5.11.BEVEL GEARS OF EQUAL SIZE
  12. 5.12.BEVEL GEARS OF UNEQUAL SIZE
  13. 5.13.RACK AND PINION GEAR SYSTEM
  14. 5.14.WORM GEAR SYSTEM

ELECTRICAL SYSTEMS AND CONTROL

  1. 6.1.REVISE COMPONENT SYMBOLS
  2. 6.2.REVISE SIMPLE CIRCUITS
  3. 6.3.OHM'S LAW
  4. 6.4.CALCULATIONS PART 1
  5. 6.5.CALCULATIONS PART
  6. 6.6.TRANSISTORS
  7. 6.7.SENSORS

PROCESSING INDIGENOUS TECHNOLOGY

  1. 7.1.PRESERVING METALS
  2. 7.2.PRESERVING FOOD

PROCESSING

  1. 8.1.TYPES OF PLASTIC AND THEIR USES
  2. 8.2.PROPERTIES OF PLASTIC
  3. 8.3.PLASTICS USED ON MODERN CARS
  4. 8.4.PLASTICS USED AROUND THE HOUSE

REVISION

  1. 9.3.TERM 2 REVISION PART 1
  2. 9.4.TERM 2 REVISION PART 2
  3. 9.5.TERM 3 PART 1
  4. 9.6
  5. 9.7
  6. 9.8

Questions about access

Are the lessons live?

No. The video lessons are pre-recorded for study at your own pace.

Does dorKk replace my school?

No. dorKk supports schoolwork and revision and does not award school qualifications.

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