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.
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.
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.
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
to the individual
to the nation.
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.
4 CHEMICAL INDUSTRIES
Excursion to chemical industries
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.
Chemical industries in the locality
5 STANDARD SEPARATION TECHNIQUES FOR MIXTURES
Classification of substances
Filtration, Evaporation, Decantation, Floatation, Frostation.
Crystallization and Fractional Crystallization.
-Guides students to understand underlying principles behind the choice of a separation technique for a particular mixture.
-Demonstrates the method of separation.
6 STANDARD SEPARATION TECHNIQUES FOR MIXTURES
Distillation and fractional distillation
Teacher: Demonstrates the method of separation
7 STANDARD SEPARATION TECHNIQUES FOR MIXTURES
Pure and impure substances
Demonstrates the determination of melting point for solids and boiling points for liquids.
Ink,Separating funnel,Cubes of sugar.
8 PARTICULAR NATURE OF MATTER
Physical and chemical changes
Atoms and molecules
Dalton’s Atomic theory
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.
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
Guide the students to calculate the relative molecular mass of a compound.
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Systems of naming compounds:
CHEMISTRY SS1 SECOND TERM
1. CHEMICAL COMBINATION
Note: any of these 2 naming systems is acceptable at this
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.
Some liquids e.g. oil, water
3 CHEMICAL COMBINATION
States of matter:
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.
Periodic table of elements
5 SYMBOLS, FORMULAE AND EQUATION
Law of constant composition
Law of multiple proportions
Teacher: Performs experiments to illustrate:
law of Constant composition
law of Multiple proportionto guide the students to report the experiment in the correct format:
6 GAS LAWS
General gas equation
Teacher: Defines Boyle’s and Charles’ laws
Illustrates Boyle’s and Charles’ laws
Write the equations for both laws.
-Pictures and charts
-Piston and pump
7. GAS LAWS
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
Molar volume of gases
Avogadro’s number and the mole concept
10.Calculations based on the
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.
Cotton wool and ammonia solution; conc. HCl.
Thermometer and glass vessel etc.
9 ACIDS, BASES AND SALTS
-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.
-Ripe and unripe fruits (mango, orange, pawpaw, grape, lime, etc).
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.
-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.
-performs experiments to illustrate neutralization reaction
-guides the students in the preparation of salts.
-demonstrates solubility of salts.
-Motar/pestle, litmus paper
-methyl orange, phenolphthalein
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CHEMISTRY SS 1 THIRD TERM
Sources of water
Types of water (soft and hard water)
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.
-charts (preparation of water, uses of water).
-water samples (river, well, tap etc)
-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.
-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.
Samples of carbon-containing compounds in and around us, e.g. stick, paper, coal etc.
Models or coloured beads.
3 CARBON AND ITS COMPOUNDS
-industrial distillation of coal
-uses and products
gasification and uses.
Explains the location, method of mining and economic importance of coal and coke.
-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)
-manufacture and uses.
manufacture and carbon uses
-Explains the properties of carbon (iv) oxide, carbon (ii) oxide and trioxocarbonate (iv) salts.
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.
Identifies the location of crude oil in Nigeria.
7 CARBON AND ITS COMPOUNDS
Crude oil and natural gas
Importance of hydrocarbons
List the various fractions of crude oil giving their uses and economic importance.
Gas from decaying foods, fruits and vegetables.
Structure and valency carbon
Meaning and examples of hydrocarbon
Homologous series (characteristics and naming-IUPAC)
composition and structure.
-Explains the tetravalent nature of carbon
-Define homologous series and state their
-Identify and write structures of alkanes, alkenes and alkynes.
-Models of hydrocarbons.
-silver trioxonitrate (v) solution
Unsaturated hydrocarbons (composition and structure
Aromatic hydrocarbon e.g. Benzene structure and properties only.
-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
-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.
Cracking and reforming.
-on exploration of oil
-of any refinery in Nigeria
-fractional distillation apparatus
-petroleum products: kerosene, diesel oil,
11 PETROLEUM OR CRUDE OIL
Petrochemicals as starting materials or organic synthesis.
Quality of petrol: meaning of octane number
-packaging as liquefied natural gas (LNG)
Economic importance of petrol.
-Explains the use of petrochemicals as starting materials for the synthesis of a large number of organic compounds like plastics, synthetic rubber, insecticides, detergents,
-Explains the use of octane number in determining the quality of petrol
-Explains the occurrence, packaging and uses of natural gases.
-samples of plastics, synthetic rubber, insecticides, detergents, fibres, (nylon, Dacron, etc).
-cylinder of natural gas.
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