PHYSICS HOMEWORK SCHEDULED FOR SECOND TERM 2016

GRADE 7 (FORM 1)

  1. Read and underline/highlight the main points in Chapter 2: Sources of Energy.
  2. Work out Review Questions 1 to 13 at the end of the chapter Sources of Energy.
  3. Using the notes in your copybook and textbook, prepare a one sheet (two pages) summary of the chapter Sources of Energy. You will have to recite (learn by heart) your summary one to two weeks before the second term examinations. Your summary should be in question (in red ink) and answer (in blue ink) format and should answer the following questions:
    1. What is energy and in what unit is it measured?
    2. Name six different forms of energy. In which two broad categories can these forms of energy be classified?
    3. What is meant by the term 'kinetic energy'?
    4. What is meant by the term 'potential energy'?
    5. Draw a flow diagram to show the main energy change in an electric kettle.
    6. Draw a flow diagram to show the main energy changes involved in a hydroelectric power station.
    7. What is meant by the principle of conservation of energy?
    8. What is a renewable energy source? Name five renewable energy (alternative energy) sources.
    9. What is a non-renewable energy source? Name three non-renewable energy (finite energy) sources.
    10. State one advantage and one disadvantage for each of the following energy sources:
      1. Biomass,
      2. Hydroelectric energy,
      3. Solar energy,
      4. Tidal energy,
      5. Wind energy,
      6. Chemical energy (fossil fuels),
      7. Nuclear energy.
    11. State four ways in which you can reduce energy wastage.
  4. A second, written test based on the notes in the book, copybook, exercise book and on the summary is also scheduled one to two weeks before the second term examinations.

GRADE 8 (FORM 2)

  1. Read and underline/highlight the main points in Chapter 2: Light and Sound.
  2. Work out Review Questions 7 to 14 at the end of the chapter Light and Sound.
  3. Using the notes in your copybook and textbook, prepare a one sheet (two pages) summary of the chapter Light and Sound. You will have to recite (learn by heart) your summary one to two weeks before the second term examinations. Your summary should be in question (in red ink) and answer (in blue ink) format and should answer the following questions:
    1. What does sound consist of?
    2. With the help of a fully labelled diagram describe how you will show that sound cannot travel through a vacuum.
    3. In which medium does sound travel fastest?
    4. In which medium does sound travel slowest?
    5. What is an echo?
    6. A ship, which is at the water surface, sends a sound wave to the bottom of the sea and its echo is received back after 3 s. How deep is the sea bed below the ship? (The speed of sound in water is 1500 m/s). Use a sketch diagram to solve this problem.
    7. What is meant by the term 'frequency' and in what unit is it measured?
    8. State three ways in which we can increase the frequency (pitch) of a string instrument like a guitar?
    9. How can we increase the pitch of a wind instrument like a trumpet?
    10. What is the range of frequencies that can be detected by a normal human ear?
    11. What is an ultrasound?
    12. Where are ultrasounds used in everyday life?
    13. Draw a labelled diagram to show the main parts of the human ear.
    14. Which instrument is used to measure the loudness of a sound and in what unit is it measured?
  4. A second, written test based on the notes in the book, copybook, exercise book and on the summary is also scheduled one to two weeks before the second term examinations.

GRADE 9 (FORM 3 NATIONAL ASSESSMENT)

  1. Read and underline/highlight the main points in Chapter 3 Motion. Pages 91-108 Multiple Choice Questions 1, 6, 19, 20 and 24. Structured Questions 2, 6 and 12.
  2. Read and underline/highlight the main points in Chapter 4 Energy. Pages 127-158 Multiple Choice Questions 1, 5, 20, 25, 37 and 30. Structured Questions 9 and 12.
  3. Using the February 2018 Syllabus prepare a three-sheet (six pages) summary of the chapters Motion and Energy. You will have to recite your summary one to two weeks before the second term examinations. Your summary should be in question (in red ink) and answer (in blue ink) format and should answer the following questions:
    1. What is a scalar quantity?
    2. Give three examples of scalar quantities.
    3. What is a vector quantity?
    4. Give three examples of vector quantities.
    5. Define distance and state its unit.
    6. Define displacement and state its unit.
    7. How is distance different from displacement?
    8. Define speed.
    9. State the formula, symbols and units used to calculate speed.
    10. Define velocity.
    11. State the formula, symbols and units used to calculate velocity.
    12. How is speed different from velocity?
    13. Define acceleration.
    14. State the formula, symbols  and units used to calculate acceleration.
    15. What is a velocity-time graph and how can it be used to calculate:
      1. acceleration,
      2. displacement?
    16. What is energy and in what unit is it measured?
    17. Name six different forms of energy. In which two broad categories can these forms of energy be classified?
    18. State the formula, symbols and units used to calculate work done.
    19. Define potential energy.
    20. State the formula, symbols and units used to calculate potential energy.
    21. Define kinetic energy.
    22. State the formula, symbols and units used to calculate kinetic energy.
    23. State the law of conservation of energy.
    24. Define power.
    25. State the formulae, symbols and units used to calculate power.
  4. A second, written test based on the February 2018 Syllabus, on the notes in the book, copybook, exercise book and on the summary is also scheduled one or two weeks before the second term examinations.

GRADE 10 (FORM 4)

  1. Read and underline/highlight the main points in Unit 8: Energy Sources and Transfer of Energy. Pages 73-74 end-of-chapter questions 6.3 and 6.8. Page 81 End-of-chapter question 7.4. Page 88-89 End-of-chapter question 8.5.
  2. Read and underline/highlight the main points in Unit 9: Transfer of Thermal Energy. Pages 125-126 End-of-chapter questions 11.2 and 11.4.
  3.  Read and underline/highlight the main points in Unit 10: Temperature. Page 115 End-of-chapter questions 10.1 and 10.3
  4. Read and underline/highlight the main points in Unit 11: Thermal Properties of Matter. Page 113 Question 11. Page 114 Questions 14 and 15.
  5. Read and underline/highlight the main points in Unit 12: Kinetic Model of Matter. Page 101 End-of-chapter questions 9.2, 9.4 and 9.6.
  6. Read and underline/highlight the main points in Unit 13: General Wave Properties. Pages 164-165 End-of-chapter questions 14.1 to 14.4.
  7. Prepare a summary containing all Physics Formulae, symbols and units.
  8. Prepare another summary containing Physics Definitions.
  9. Recopy Physics Experiments and Labelled Diagrams in a small copybook.
  10. You will have to recite (learn by heart) the Physics Formulae and Definitions & Terms one to two weeks before the second term examinations.
  11. A second, written test based on Physics Experiments and Labelled Diagrams is also scheduled one to two weeks before the second term examinations.

GRADE 11 (FORM 5)

  1. Read and underline/highlight the main points in Unit 22: Electromagnetism. Exercise 22 Section A Multiple Choice Questions 1 to 5. Section B Structured Questions 6 and 7.
  2. Read and underline/highlight the main points in Unit 23: Electromagnetic Induction. Exercise 23 Section A Multiple Choice Questions 1 to 5. Section B Structured Questions 7 and 8(c).
  3. Read and underline/highlight the main points in Unit 24: Introductory Electronics. Exercise 24 Section A Multiple Choice Questions 1 to 4. Section B Structured Questions 3 and 5.
  4. Read and underline/highlight the main points in Unit 26: Radioactivity and in Unit 27: The Nuclear Atom. Exercise 25 Section A Multiple Choice Questions 1 to 5. Section B Structured Questions 6 and 7.
  5. Prepare a summary containing all Physics Formulae, symbols and units.
  6. Prepare another summary containing all Physics Definitions.
  7. Recopy all Physics Experiments and Labelled Diagrams in a small copybook.
  8. You will have to recite (learn by heart) the Physics Formulae and Definitions & Terms one to two weeks before the second term examinations.
  9. A second, written test based on Physics Experiments and Labelled Diagrams is also scheduled one to two weeks before the second term examinations.
  10. Print and work out November 2011 Paper 4 Alternative-to-Practical.
  11. Print and work out November 2011 Paper 1 Multiple Choice.
  12. Print and work out November 2011 Paper 2 Theory.