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dorKk · English lesson guide

Grade 7 Natural Science: modules and lessons

Explore Grade 7 Natural Science: 15 modules and 49 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.

LIFE AND LIVING CONTEXT

  1. 1.1.INTRODUCING LIFE AND LIVING

THE BIOSPHERE

  1. 2.1.THE BIOSPHERE CONCEPT
  2. 2.2.REQUIREMENTS FOR SUSTAINING LIFE

BIODIVERSITY

  1. 3.1.CLASSIFICATION OF LIVING THINGS
  2. 3.2.DIVERSITY OF ANIMALS
  3. 3.3.DIVERSITY OF PLANTS

REPRODUCTION

  1. 4.1.REPRODUCTION IN ANGIOSPERMS PART 1
  2. 4.2.REPRODUCTION IN ANGIOSPERMS PART 2
  3. 4.3.HUMAN REPRODUCTION
  4. 4.4.VARIATION

MATTER AND MATERIALS

  1. 5.1.PROPERTIES OF MATERIALS
  2. 5.2.IMPACT ON THE ENVIRONMENT

MIXTURES

  1. 6.1.MIXTURES
  2. 6.2.SORTING AND RECYCLING

ACIDS, BASES AND NEUTRALS

  1. 7.1.PROPERTIES OF ACIDS, BASES AND NEUTRALS
  2. 7.2.ACID AND BASE INDICATORS

PERIODIC TABLE OF ELEMENTS

  1. 8.1.ARRANGEMENT OF ELEMENTS ON THE PERIODIC TABLE
  2. 8.2.SOME PROPERTIES OF METALS, METALLOIDS AND NONMETALS

SOURCES OF ENERGY

  1. 9.1.RENEWABLE AND NON RENEWABLE ENERGY PART 1
  2. 9.2.RENEWABLE AND NON RENEWABLE ENERGY PART 2

POTENTIAL AND KINETIC ENERGY

  1. 10.1.POTENTIAL AND KINETIC ENERGY
  2. 10.2.POTENTIAL AND KINETIC ENERGY IN SYSTEMS
  3. 10.3.LAW OF CONSERVATION OF ENERGY

HEAT TRANSFER

  1. 11.1.HEATING AS A TRANSFER OF ENERGY
  2. 11.2.CONDUCTION
  3. 11.3.CONVECTION
  4. 11.4.RADIATION

ENERGY

  1. 12.1.USING INSULATING MATERIAL
  2. 12.2.USEFUL AND WASTED ELECTRICITY
  3. 12.3.THE NATIONAL ELECTRICITY SUPPLY SYSTEM; ENERGY TRANSFER IN THE NATIONAL GRID
  4. 12.4.THE NATIONAL ELECTRICITY SUPPLY SYSTEM; CONSERVING ENERGY IN THE HOME

RELATIONSHIP OF THE SUN AND THE MOON TO THE EARTH

  1. 13.1.SOLAR ENERGY
  2. 13.2.THE EARTH'S MOVEMENT AROUND THE SUN
  3. 13.3.THE CHANGING INTENSITY OF SOLAR ENERGY
  4. 13.4.THE LENGTH OF DAY AND THE SEASONS
  5. 13.5.SOLAR ENERGY AND LIFE ON EARTH
  6. 13.6.STORED SOLAR ENERGY
  7. 13.7.THE MOON; RELATIVE POSITIONS
  8. 13.8.GRAVITY
  9. 13.9.TIDES

HISTORICAL DEVELOPMENTS OF ASTRONOMY

  1. 14.1.EARLY INDIGENOUS KNOWLEDGE
  2. 14.2.MODERN DEVELOPMENTS

REVISION

  1. 15.1.BIOSPHERE REVISION QUESTIONS
  2. 15.2.BIODIVERSITY REVISION QUESTIONS
  3. 15.3.SEXUAL REPRODUCTION AND VARIATION REVISION QUESTIONS
  4. 15.4.PHYSICAL PROPERTIES OF MATERIALS, SEPERATING MIXTURES REVISION
  5. 15.5.ACIDS, BASES AND NEUTRAL SUBSTANCES, PERIODIC TABLE OF ELEMENTS REVISION
  6. 15.6.REVISION TERM 3
  7. 15.7.TERM 4

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