CHEMISTRY HOMEWORK & TESTS SCHEDULED FOR FIRST TERM 2018

GRADE 7 (FORM 1)

  1. Read and underline/highlight the main points in Unit 1: Energy and Matter. Work out the following questions at the end of Unit 1: Energy and Matter: Multiple Choice Questions 10-17. Structured Questions 3 and 4.
  2. A first written test is scheduled immediately after correcting the homework on Unit 1: Matter and Energy. Students are therefore advised to start revising this chapter as soon as the correction of its homework begins.
  3. Read and underline/highlight the main points in Unit 2: The Environment. Work out the following questions at the end of Unit 2: The Environment: Multiple Choice Question 10. Structured Questions 4 and 5.
  4. A second written test is scheduled immediately after correcting the homework on Unit 2: The Environment. Students are therefore advised to start revising this chapter as soon as the correction of its homework begins.
  5. Using the notes in your copybook and textbook, prepare a two sheet (four pages) summary of the chapters Energy and Matter and The Environment. As a third test, you will have to recite (learn by heart) your summary two to three weeks before the end of first term. Your summary should be in question (in red ink) and answer (in blue ink) format and should answer at least the following questions:
    1. What is a chemical property?
    2. Name the three states of matter.
    3. State any three properties each of a
      1. solid
      2. liquid
      3. gas
    4. Draw diagrams to show how the particles are arranged in a
      1. solid
      2. liquid
      3. gas
    1. What is diffusion?
    2. With the help of labelled diagrams, outline a simple experiment to show diffusion in a liquid.
    3. Define the following changes of state:
      1. Melting,
      2. Boiling,
      3. Sublimation,
      4. Condensation,
      5. Freezing or solidification.
    4. What is the percentage by volume of nitrogen, oxygen, noble gases and carbon dioxide in air?
    5. Name two other substances which are present in air in variable amounts.
    6. List three properties of air.
    7. How will you show that air contains oxygen?
    8. How will you show that air also contains the gas carbon dioxide?
    9. Describe the appearance and physical properties of water.
    10. Describe three domestic and three industrial uses of water.
  6. A fourth, written test based on the notes in the book, copybook, exercise book and on the summary is also scheduled two to three weeks before the end of the first term.

GRADE 8 (FORM 2)

  1. Read and underline/highlight the main points in Unit 1: Energy and Matter. Work out the following questions at the end of Unit 1: Energy and Matter: Multiple Choice Questions 1-9. Structured Questions 1, 2 and 4 (b).
  2. A first written test is scheduled immediately after correcting the homework on Unit 1: Matter and Energy. Students are therefore advised to start revising this chapter as soon as the correction of its homework begins.
  3. Read and underline/highlight the main points in Unit 2: The Environment. Work out the following questions at the end of Unit 2: The Environment: Structured Question 12.
  4. A second written test is scheduled immediately after correcting the homework on Unit 2: The Environment. Students are therefore advised to start revising this chapter as soon as the correction of its homework begins.
  5. Using the notes in your copybook and textbook, prepare a two sheet (four pages) summary of the chapters Energy and Matter and The Environment. As a second test, you will have to recite (learn by heart) your summary two to three weeks before the end of the first term. Your summary should be in question (in red ink) and answer (in blue ink) format and should answer at least the following questions:
    1. What is matter?
    2. What is an element?
    3. State the symbol and valency of the following metals: aluminium, barium, calcium, copper, gold, iron, lead, magnesium, mercury, potassium, silver, sodium, tin and zinc.
    4. State the symbol and valency of the following non-metals: argon, bromine, carbon, chlorine, fluorine, helium, hydrogen, iodine, neon, nitrogen, oxygen, phosphorus, silicon and sulfur.
    5. State four main differences between metals and non-metals.
    6. What is a compound?
    7. Draw a diagram to represent the particles in a compound in the gaseous state.
    8. What is a mixture?
    9. Draw a diagram to represent the particles in a mixture in the gaseous state.
    10. How is a compound different from a mixture?
    11. Using an example, explain how you will determine the formula of a compound, given the symbols and valencies of its constituent elements.
    12. Using appropriate examples, explain how a physical change is different from a chemical change?
    13. Name three sources of air pollution.
    14. Name three diseases in humans which are associated with air pollution.
    15. Discuss how does the burning of fossil fuel affect the atmosphere?
    16. Explain five ways of preventing air pollution.
    17. Name three sources of water pollution.
    18. What happens to underground water when chemical fertilisers seep into the ground?
    19. Which aquatic species are affected when chemicals drain into rivers and lakes? How are they affected?
    20. Explain three ways in which water pollution can be prevented.
  6. A third, written test based on the notes in the book, copybook, exercise book and on the summary is also scheduled two to three weeks before the end of the first term.

GRADE 9 (FORM 3 NATIONAL ASSESSMENT)

  1. Read and underline/highlight the main points in Chapter 1: Chemical Substances. Pages 21-26 Section A Questions 2, 10, 11, 13 and 14. Section B Questions 4 and 7.
  2. A first written test is scheduled immediately after correcting the homework on Chapter 1: Chemical Substances. Students are therefore advised to start revising this chapter as soon as the correction of its homework begins.
  3. Read and underline/highlight the main points in Chapter 2: The Language of Chemistry. Pages 43-50 Section A Questions 7, 9, 14, 17 and 18. Section B Questions 3 and 8.
  4. A second written test will be given immediately after correcting the homework on Chapter 2: The Language of Chemistry. Students are therefore advised to start revising this chapter as soon as the correction of its homework begins.
  5. Using the February 2018 Syllabus prepare a two sheet (four pages) summary of the chapters Chemical Substances and The Language of Chemistry. As a third test, you will have to recite your summary two to three weeks before the first term examinations. Your summary should be in question (in red ink) and answer (in blue ink) format and should answer at least the following questions:
    1. Define the term element.
    2. Define the term compound.
    3. Define the term mixture.
    4. Define the term atom.
    5. Define the term molecule.
    6. List the metals in the reactivity series.
    7. Define the term acid.
    8. Define the term base.
    9. State the importance of hydrochloric acid, ethanoic acid and sulfuric acid.
    10. State the importance of the base magnesium hydroxide and the bases found in toothpaste.
    11. State the colours of the following indicators in acid and in alkali:
      1. methyl orange,
      2. phenolphthalein,
      3. litmus
    12. Giving appropriate examples, explain two ways in which a physical change is different from a chemical change.
    13. State the symbol and valency of the following metals: aluminium, barium, calcium, copper, gold, iron, lead, magnesium, mercury, potassium, silver, sodium, tin and zinc.
    14. State the symbol and valency of the following non-metals: argon, bromine, carbon, chlorine, fluorine, helium, hydrogen, iodine, neon, nitrogen, oxygen, phosphorus, silicon and sulfur.
    15. Define the term radical.
    16. State the formulae and valencies of the following radicals: hydroxide, carbonate, sulphate, ammonium and nitrate.
  6. A fourth, written test based on the February 2018 Syllabus, on the notes in the book, copybook, exercise book and on the summary is also scheduled two to three weeks before the end of the first term.

GRADE 10 (FORM 4)

  1. Read and underline/highlight the main points in Unit 1: Experimental Chemistry. Pages 40-42 Exercise 2 Foundation Questions 2, 3, 7 and 9. Pages 69-73 Exercise 3 Foundation Questions 4, 8, 13. Challenge Question 2.
  2. A first written test is scheduled immediately after correcting the homework on Unit 1: Experimental Chemistry. Students are therefore advised to start revising this chapter as soon as the correction of its homework begins.
  3. Read and underline/highlight the main points in Unit 2: The Particulate Nature of Matter (Kinetic Particle Theory only). Pages 23-28 Exercise 1 Foundation Questions 2, 6, 8, 11 and 13. Challenge Questions 2 and 10.
  4. A second written test is scheduled immediately after correcting the homework on Unit 2: The Particulate Nature of Matter (Kinetic Particle Theory only). Students are therefore advised to start revising this chapter as soon as the correction of its homework begins.
  5. Read and underline/highlight the main points in Unit 2: The Particulate Nature of Matter (Atomic Structure only). Pages 107-111 Exercise 5 Foundation Questions 2, 8, 13, 14, 15 and 21. Challenge Question 4.
  6. A third written test is scheduled immediately after correcting the homework on Unit 2: The Particulate Nature of Matter (Atomic Structure only). Students are therefore advised to start revising this chapter as soon as the correction of its homework begins.
  7. Read and underline/highlight the main points in Unit 2: The Particulate Nature of Matter (Bonding only). Pages 122-124 Exercise 6 Foundation Questions 4, 6, 11 and 16.
  8. On a sheet of paper, prepare a summary containing all Chemistry Formulae covered during the first term.
  9. On another sheet of paper, prepare a summary containing Chemistry Definitions covered during the first term.
  10. In a small copybook, recopy Chemistry Experiments and Labelled Diagrams covered during the first term.
  11. As a fourth test, you will have to recite (learn by heart) the above Chemistry Summaries (stated in parts 8 and 9 above) two to three weeks before the end of the first term.
  12. A fifth, written test based on Chemistry Experiments and Labelled Diagrams is also scheduled two to three weeks before the end of the first term.

GRADE 11 (FORM 5)

  1. Read and underline/highlight the main points in Unit 6.1: Redox. Chapter 21 pages 342-343 Structured Questions 2 and 3. Free Response Question 2.
  2. A first written test is scheduled immediately after completing Unit 6.1: Redox. Students are therefore advised to start revising this chapter as soon as the correction of homework on Unit 6.1: Redox begins.
  3. Read and underline/highlight the main points in Unit 9: Metals. Chapter 13 pages 205-206 Structured Questions 1, 2 and 5. Free Response Question 2. Chapter 14 pages 218-219 Structured Questions 1, 3 and 5.
  4. A second written test is scheduled immediately after completing Unit 9: Metals. Students are therefore advised to start revising this chapter as soon as the correction of homework on Unit 9: Metals begins.
  5. Read and underline/highlight the main points in Unit 4: Electrolysis. Chapter 22 pages 363-365 Structured Questions 1, 4, 7 and 8. Free Response Question 2.
  6. A third written test is scheduled immediately after completing Unit 4: Electrolysis. Students are therefore advised to start revising this chapter as soon as the correction of its homework begins.
  7. Read and underline/highlight the main points in Unit 5: Energy From Chemicals. Chapter 19 pages 302-303 Structured Questions 2 and 5. Free Response Question 1.
  8. On a sheet of paper, update your summary containing all Chemistry Formulae covered during the first term.
  9. On another sheet of paper, update your summary containing Chemistry Definitions covered during the first term.
  10. On still another sheet of paper, update your summary containing Chemistry General Equations covered during the first term.
  11. In a small copybook, update your Chemistry Experiments and Labelled Diagrams covered during the first term.
  12. As a fourth written test, you will have to recite (learn by heart) the above Chemistry Formulae and Definitions two to three weeks before the end of the first term.
  13. A fifth, written test based on Chemistry Experiments and Labelled Diagrams is also scheduled two to three weeks before the end of the first term.

GRADE 12 (LOWER 6)

  1. Read and underline/highlight the main points in Unit 1: Atoms, Molecules and Stoichiometry. Topic 1 Part I: Mole Concept, Section A Question 1. Section B Question 2. Work out Topic 1 Part II: Mass Spectrometry, Section A Questions 1 and 9. Section B Question 2. Section C Question 2.
  2. A first written test is scheduled immediately after correcting the homework on Unit 1: Atoms, Molecules and Stoichiometry. Students are therefore advised to start revising this chapter as soon as the correction of its homework begins.
  3. Read and underline/highlight the main points in Unit 2: Atomic Structure. Topic 2 Section A Questions 7, 36 and 38. Section B Questions 4 and 6. Section C Questions 12 and 17.
  4. A second written test is scheduled immediately after correcting the homework on Unit 2: Atomic Structure. Students are therefore advised to start revising this chapter as soon as the correction of its homework begins.
  5. Read and underline/highlight the main points in Unit 3: Chemical Bonding. Topic 3 Section A Questions 10, 20 and 21. Section B Questions 20 and 22. Section C Questions 19 and 22.
  6. A third written test is scheduled immediately after correcting the homework on Unit 3: Chemical Bonding. Students are therefore advised to start revising this chapter as soon as the correction of its homework begins.
  7. On a sheet of paper, prepare a summary containing all Chemistry Formulae covered during the first term.
  8. On another sheet of paper, prepare a summary containing Chemistry Definitions and Terms covered during the first term.
  9. In a small copybook, recopy Chemistry Descriptions & Mechanisms and Labelled Diagrams covered during the first term.
  10. As a fourth test, you will have to recite (learn by heart) the above Chemistry Summaries (stated in parts 4, 5 and 7 above) two to three weeks before the end of the first term.
  11. A fifth, written test based on Chemistry Descriptions & Mechanisms and Labelled Diagrams is also scheduled two to three weeks before the end of the first term.

GRADE 13 (UPPER 6)

  1. Read and underline/highlight the main points in Unit 7.2: Ionic Equilibria. Topic 7 Part II: Ionic Equilibria. Section A Questions 1, 9 and 15. Section B Questions 3 and 8. Section C Questions 15 and 18.
  2. Read and underline/highlight the main points in Unit 7.3: Partition Coefficient. Topic 7 Part III: Partition Coefficient Questions 1 and 2.
  3. A first written test is scheduled immediately after correcting the homework on Unit 7.3. Students are therefore advised to start revising this chapter as soon as the correction of homework on Partition Coefficient begins.
  4. Read and underline/highlight the main points in Unit 8: Reaction Kinetics. Topic 8 Section A Questions 4, 10 and 23. Section B Questions 1 and 2. Section C Questions 24(a) and 26.
  5. A second Advanced Practical Skills test is scheduled during one of the practical classes. To ensure that you attend and give the best of yourself during any practical class, you will not be notified about the exact date of this practical assessment.
  6. A third written test is scheduled immediately after correcting the homework on Unit 8. Students are therefore advised to start revising this chapter as soon as the correction of homework on Reaction Kinetics begins.
  7. Read and underline/highlight the main points in Unit 6: Electrochemistry. Topic 6 Part I: Redox Processes Section A Question 1. Section B Question 1. Section C Question 4. Topic 6 Part II: Electrode Potential Section A Question 2. Section B Question 2. Section C Question 14. Topic 6 Part III: Electrolysis Section A Question 1. Section B Question 1. Section C Question 16.
  8. Read and underline/highlight the main points in Unit 11: Group 17. Topic 12 Section A Questions 3, 8 and 26. Section B Questions 10 and 13. Section C Questions 20 and 23.
  9. On a sheet of paper, prepare a summary containing all Chemistry Formulae covered during the first term.
  10. On another sheet of paper, prepare a summary containing Chemistry Definitions and Terms covered during the first term.
  11. In a small copybook, recopy Chemistry Descriptions & Mechanisms and Labelled Diagrams covered during the first term.
  12. As a fourth test, you will have to recite (learn by heart) the above Chemistry Summaries (stated in parts 9, 10 and 11 above) two to three weeks before the end of the first term.
  13. A fifth, written test based on first term Chemistry Descriptions & Mechanisms and Labelled Diagrams is also scheduled two to three weeks before the end of the first term.