THIS SCHEME OF WORK CONTAINS WEEK TOPIC / CONTENT, ACTIVITIES, AS WELL AS INSTRUCTIONAL RESOURCES WHICH ARE VERY VITAL FOR LESSON PLANNING. CHEMISTRY FIRST TERM SS1. INTRODUCTION TO CHEMISTRY
1.Periodic Table ( first 20 elements), Electronic configuration of
atom, Types of bonds: a. strong bonds (interatomic bonds) e.g. electrovalent (ionic), covalent, coordinate covalent
(Dative), metallic bonds.
Teacher:
i. Guides students to:identify the first 20 elements, draw the electronic configuration of these elements, place these elements in their proper position on a blank periodic table template
ii. Explains the types of bonds and their characteristics.
Instructional Resources:Blank periodic table template, Models, ChartsTable salt.
2 CHEMICAL COMBINATION: Types of bonds continued:
b. Weak bonds e.g. hydrogen bond, intermolecular bonds). -der waals forces dipole-dipole force of attractions. Meaning of chemistry. Career prospects tied to chemistry
Applications (Hospital, Military, Teaching, Chemical and
Petrochemical Industries, Space Science, Agriculture etc).
Teacher: Defines chemistry, gives examples and illustrations.
Guide students to identify career prospect in chemistry.
Uses posters and charts to guide class discussion.
Instructional Resources:
Pictures of chemical industries and laboratories. Posters and charts. Instructional Resources locally available, chemical industries.
2 .INTRODUCTION TO CHEMISTRY
Adverse effects of chemicals, drug abuse, poisoning, corrosion, pollution.
Scientific method.
Teacher:
i. Application of chemistry and adverse effect on chemicals.
ii. Take students to visit chemical industries e.g. paints, tie and dye, vegetable oil, petrochemical industries.
iii. Explain the scientific methods of enquiry using specific examples.
3 CHEMICAL INDUSTRIES
Types of chemical industries
Importance:
to the individual
to the nation.
Teacher:
Uses pictures of some local industries to guide students to identify chemical industries in Nigeria.
Initiates and guide discussion on the economic importance of the chemical industries.
Instructional Resources:
Pictures
Charts
4 CHEMICAL INDUSTRIES
Excursion to chemical industries
Teacher:
Takes students on field trips to chemical industries.
Guides students to observe:
i. the processes going on in the industries
ii. the various ways these industries degrade the environment.
iii. Suggest ways of reducing environmental problems.
Instructional Resources:
Chemical industries in the locality
5 STANDARD SEPARATION TECHNIQUES FOR MIXTURES
Classification of substances
Filtration, Evaporation, Decantation, Floatation, Frostation.
Crystallization and Fractional Crystallization.
Teacher:
-Guides students to understand underlying principles behind the choice of a separation technique for a particular mixture.
-Demonstrates the method of separation.
Instructional Resources:
-Water
-Sand
-Common salt
-Filter paper
-Evaporation dish
6 STANDARD SEPARATION TECHNIQUES FOR MIXTURES
Distillation and fractional distillation
Precipitation
Magnetization (magnetism).
Teacher: Demonstrates the method of separation
Instructional Resources:
Liebing condenser
Magnets
7 STANDARD SEPARATION TECHNIQUES FOR MIXTURES
Chromatography
Sublimation
Pure and impure substances
Teacher:
Demonstrates the determination of melting point for solids and boiling points for liquids.
Instructional Resources:
Ink,Separating funnel,Cubes of sugar.
8 PARTICULAR NATURE OF MATTER
Physical and chemical changes
Atoms and molecules
Dalton’s Atomic theory
Teacher:
Demonstrates physical and chemical changes using simple examples like burning of candle, salts dissolved in water, burning of magnesium ribbon and preparation of pap
(akamu) and starch.
ii. To guide students to make chalk (CaCO3) as a chemical change.
Instructional Resources:
Water
Common salt
Sugar
Candle
Matches
Models (coloured beads)
Calcium carbonate (calcium trioxocarbonate iv) [CaCO3]
9.PARTICULAR NATURE OF MATTER
Constituents of atoms, Protons, Neutrons and electrons.
Arrangement of electrons around the nucleus.
Teacher: To guide students to calculate the empirical formula from percentage composition.
10. PARTICULAR NATURE OF MATTER
Atomic number, mass number and isotopy.
Relative atomic masses based on C14 isotope
Teacher:
Guide the students to calculate the relative molecular mass of a compound.
11 Revision Revision
12 Examinations Examinations
13 Examinations Examinations
CHEMISTRY SS1 SECOND TERM
1. CHEMICAL COMBINATION
conventional
IUPAC
Note: any of these 2 naming systems is acceptable at this
level.
Teacher: Uses simple demonstrations to illustrate the type of bond in common substances like camphor, common salt (NaCl), sulphur, etc.
Teaches students to write conventional and IUPAC names of common substances.
Instructional Resources:
Sugar
Camphor balls
Some liquids e.g. oil, water
Aerosol.
3 CHEMICAL COMBINATION
States of matter:
solid
liquid
gaseous state
The kinetic theory and its applications
Teacher: Initiates class discussion on:
states of matter
kinetic theory and change of state.
4 SYMBOLS, FORMULAE AND EQUATION
Chemical symbols of elements and their valencies
Empirical and molecular formulae
Law of conservation of matter.
Teacher: Guides the students to write chemical symbols and formulae correctly.
Guides the students to write and balance chemical equations.
guides students to calculate the empirical and molecular formula of a compound.
Perform experiment to illustrate conservation of mass.
Instructional Resources:
Periodic table of elements
Coloured beads.
5 SYMBOLS, FORMULAE AND EQUATION
Law of constant composition
Law of multiple proportions
Chemical Equations
Teacher: Performs experiments to illustrate:
law of Constant composition
law of Multiple proportionto guide the students to report the experiment in the correct format:
Aim
Objective
Method
Diagram
Result
Discussion
Conclusion
6 GAS LAWS
Boyle’s law
Charle’s law
General gas equation
Teacher: Defines Boyle’s and Charles’ laws
Illustrates Boyle’s and Charles’ laws
Write the equations for both laws.
Instructional Resources:
-Pictures and charts
-Piston and pump
7. GAS LAWS
Gay-Lussac’s law
Avogadro’s law
Ideal gas equation
Teacher: -Performs experiments to explain the laws
Effects of temperature on the volume of a gas.
-Effects of pressure on volume of a gas.
8 GAS LAWS
Graham’s law
Molar volume of gases
Avogadro’s number and the mole concept
10.Calculations based on the
Gas law.
Teacher: -Definition of gases e.g. cotton wool soaked in ammonia solution and conc. HCl.
-Volume relations in gaseous reactions.
-State the Gay-Lussac’s, Avogadro’s and Graham’s laws.
-Solves the relevant calculations.
-Explains the relationship PV=nRT.
Instructional Resources:
Cotton wool and ammonia solution; conc. HCl.
Thermometer and glass vessel etc.
9 ACIDS, BASES AND SALTS
Characteristics, Preparations,
Teacher:
-Provides different ripe and unripe fruits, sourreactions and uses of acids, bases and salts.
milk, some common laboratory indicator. Guides students to classify indicators into
acidic and basic indicators.
Instructional Resources:
-Ripe and unripe fruits (mango, orange, pawpaw, grape, lime, etc).
-Sour milk.
10 ACIDS, BASES AND SALTS
Relative acidity and alkalinity (the pH scale).
Deliquescent, Efflorescent and Hygroscopic substances.
Teacher: Guides the students to extracts from flowers as indicators.
Demonstrate efflorescence, Deliquescence and Hygroscope.
Instructional Resource:
-Brightly coloured flowers or leaves (hibiscus, croton, ixora, allamanda, bluebells, etc).
-Chemicals (NaOH, KOH, HCl, H2SO4).
11 ACIDS, BASES AND SALTS
Solubility of salts in water.
Teacher:
-performs experiments to illustrate neutralization reaction
-guides the students in the preparation of salts.
-demonstrates solubility of salts.
Instructional Resources:
-Distilled water
-Acetone
-Ethanol
-Filter paper
-Motar/pestle, litmus paper
-methyl orange, phenolphthalein
12 Revision Revision
13 Examinations Examinations
14 Examinations Examinations
CHEMISTRY SS 1 THIRD TERM
1 WATER
Sources of water
Types of water (soft and hard water)
Water pollutants
Teacher:
i. Guides students to:
-identify properties of water
-list sources of water
list some water pollutants
Uses of water
Laboratory preparation of water
ii. Demonstrate causes of water hardness.
iii. Gives the laboratory properties of water as a reading assignment.
Instructional Resources:
-charts (preparation of water, uses of water).
-water samples (river, well, tap etc)
-soap
-samples of contaminated water
-samples of hard water.
2 CARBON AND ITS COMPOUNDS
Carbon: structure of carbon
Allotropes of carbon
-charcoal, graphite and diamond
-structure and properties of the allotropes.
-the combusting of carbon allotropes.
Teacher:
-Leads the students in a guided identification of carbon containing compounds in and around us.
-Explains the relationship between carbon and life by explaining the function of some of the compounds listed above.
-Relates the structure of carbon to the formation of various compounds.
Introduces the phenomenon of allotropes using carbon.
Instructional Resources:
Samples of carbon-containing compounds in and around us, e.g. stick, paper, coal etc.
Models or coloured beads.
3 CARBON AND ITS COMPOUNDS
Coal:
-different types
-industrial distillation of coal
-uses and products
Coke:
gasification and uses.
Teacher:
Explains the location, method of mining and economic importance of coal and coke.
Instructional Resource:
-Real examples of crude oil fractions such as petrol (pms), diesel oil, kerosene etc.
-Shells, fruits, alkanols.
4 CARBON AND ITS COMPOUNDS
Oxides of carbon:
-carbon(iv) oxide (carbon dioxide)
-carbon(ii) oxide (carbon monoxide)
Synthetic gas:
-manufacture and uses.
Teacher:
Synthetic gas:
manufacture and carbon uses
-Explains the properties of carbon (iv) oxide, carbon (ii) oxide and trioxocarbonate (iv) salts.
Instructional Resources:
-carbonates
-glass vessels.
5 CARBON AND ITS COMPOUNDS
Carbonic acid (Trioxocarbonate (iv) acid)
any carbonate (Trioxocarbonate(iv) salts).
Teteacher explacerExplains the properties of carbonic acid and trioxocarbonate (iv) salts.
6 CARBON AND ITS COMPOUNDS
Hydrocarbon and its main classes.
Teacher:
Identifies the location of crude oil in Nigeria.
7 CARBON AND ITS COMPOUNDS
Crude oil and natural gas
Importance of hydrocarbons
Teacher:
List the various fractions of crude oil giving their uses and economic importance.
Instructional Resources:
Gas from decaying foods, fruits and vegetables.
8 HYDROCARBONS
Structure and valency carbon
Meaning and examples of hydrocarbon
Homologous series (characteristics and naming-IUPAC)
Saturated hydrocarbons:
composition and structure.
Teacher:
-Explains the tetravalent nature of carbon
-Define homologous series and state their
characteristics.
-Identify and write structures of alkanes, alkenes and alkynes.
Instructional Resources:
-Models of hydrocarbons.
-baromime water
-silver trioxonitrate (v) solution
-charts
-coloured beads.
9 HYDROCARBONS
Isomerism
Unsaturated hydrocarbons (composition and structure
Aromatic hydrocarbon e.g. Benzene structure and properties only.
Teacher:
-Illustrate with models, the stereo-chemistry of simple hydrocarbons.
-Explain and give examples of: aliphatic and aromatic hydrocarbons.
10 PETROLEUM OR CRUDE OIL
Origin and composition of
petroleum (crude oil).
Nigerian and world crude oilreserves.
Exploration and drilling of crude oil.
Fractional distillation and major products.
Location of Nigerian
Teacher:
-Guides the students in the discussion of origin and composition of crude oil.
-Explains the fractional distillation of petroleum and gives the students the list of the major fractions.
-Guides the students in identifying Nigerian Refineries.
-Explain the term cracking and reforming.
Refineries.
Cracking and reforming.
Instructional Resource:
Pictures:
-on exploration of oil
-of any refinery in Nigeria
-fractional distillation apparatus
-petroleum products: kerosene, diesel oil,
grease etc.
11 PETROLEUM OR CRUDE OIL
Petrochemicals as starting materials or organic synthesis.
Quality of petrol: meaning of octane number
Natural gas:
-occurrence
-packaging as liquefied natural gas (LNG)
-uses
Economic importance of petrol.
Teacher:
-Explains the use of petrochemicals as starting materials for the synthesis of a large number of organic compounds like plastics, synthetic rubber, insecticides, detergents,
fibres etc.
-Explains the use of octane number in determining the quality of petrol
-Explains the occurrence, packaging and uses of natural gases.
Instructional Resources:
-samples of plastics, synthetic rubber, insecticides, detergents, fibres, (nylon, Dacron, etc).
-cylinder of natural gas.
12 Revision Revision
13 Examinations Examinations
14 Examinations Examination
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