ERC Teaching Scheme. Federal Chemistry Scheme of Work for SS 1, Physical and chemical changes – Schemeofwork.com
CHEMISTRY FIRST TERM SS 1 TEACHING SCHEME
| WEEK | TOPIC / CONTENT | ACTIVITIES |
| 1 | INTRODUCTION TO CHEMISTRY 1. Meaning of chemistry 2. Career prospects tied to chemistry 3. 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 1. Adverse effects of chemicals, drug abuse, poisoning, corrosion, pollution. 2. 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 1. Types of chemical industries 2. 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 1. Classification of substances 2. Filtration, Evaporation, Decantation, Floatation, Frostation. 3. 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 1. Distillation and fractional distillation. 2. Precipitation 3. Magnetization (magnetism). | Teacher: Demonstrates the method of separation Instructional Resources: Liebing condenserMagnets |
| 7 | STANDARD SEPARATION TECHNIQUES FOR MIXTURES 1. Chromatography 2. Sublimation 3. 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 changesAtoms and moleculesDalton’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: WaterCommon salt SugarCandleMatchesModels (coloured beads)Calcium carbonate (calcium trioxocarbonate iv) [CaCO3] |
| 9. | PARTICULAR NATURE OF MATTER 1. Constituents of atoms, Protons, Neutrons and electrons. 2. Arrangement of electrons around the nucleus. | Teacher: To guide students to calculate the empirical formula from percentage composition. |
| 10 | PARTICULAR NATURE OF MATTER 1. Atomic number, mass number and isotopy. 2. Relative atomic masses based on C14 isotope | Teacher: Guide the students to calculate the relative molecular mass of a compound. |
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ERC Teaching Scheme. Federal Chemistry Scheme of Work for SS 1 – Schemeofwork.com
CHEMISTRY SS 1 SECOND TERM TEACHING SCHEME
| WEEK | TOPIC / CONTENT | ACTIVITIES |
| 1 | CHEMICAL COMBINATION 1. Periodic Table ( first 20 elements) 2. Electronic configuration of atom 3. 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 – Charts – Table salt. |
| 2 | CHEMICAL COMBINATION Types of bonds continued: b. Weak bonds e.g. hydrogen bond, van-der waals forces dipole-dipole force of attractions. (intermolecular bonds). 4. Systems of naming compounds: – 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 5. States of matter: – solid – liquid – gaseous state 6. 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 1. Chemical symbols of elements and their valencies 2. Empirical and molecular formulae 3. 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 1. Law of constant composition 2. Law of multiple proportions 3. Chemical Equations | Teacher: Performs experiments to illustrate: – law of Constant composition – law of Multiple proportion – to guide the students to report the experiment in the correct format: – Aim – Objective – Method – Diagram – Result – Discussion – Conclusion |
| 6 | GAS LAWS Boyle’s lawCharle’s lawGeneral 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 lawAvogadro’s lawIdeal 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 lawMolar volume of gasesAvogadro’s number and the mole conceptCalculations 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 1. Characteristics, Preparations, reactions and uses of acids, bases and salts. | Teacher: -Provides different ripe and unripe fruits, sour milk, some common laboratory indicators. -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 2. Relative acidity and alkalinity (the pH scale). 3. 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 |
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ERC Teaching Scheme. Federal Chemistry Scheme of Work for SS 1, Physical and chemical changes – Schemeofwork.com
CHEMISTRY SS 1 THIRD TERM TEACHING SCHEME
| WEEK | TOPIC / CONTENT | ACTIVITIES |
| 1 | WATER Sources of waterTypes of water (soft and hard water)Water pollutantsUses of waterLaboratory preparation of water | Teacher: i. Guides students to: -identify properties of water -list sources of water – list some water pollutants 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 carbonAllotropes 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 4. 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 5. Oxides of carbon: -carbon(iv) oxide (carbon dioxide) -carbon(ii) oxide (carbon monoxide) 6. 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 7. Carbonic acid (Trioxocarbonate (iv) acid) 8. any carbonate (Trioxocarbonate(iv) salts). | Teacher: Explains the properties of carbonic acid and trioxocarbonate (iv) salts. |
| 6 | CARBON AND ITS COMPOUNDS 9. Hydrocarbon and its main classes. | Teacher: Identifies the location of crude oil in Nigeria. |
| 7 | CARBON AND ITS COMPOUNDS 10. Crude oil and natural gas 11. 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 1. Structure and valency of carbon 2. Meaning and examples of hydrocarbon 3. Homologous series (characteristics and naming-IUPAC) 4. 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 5. Isomerism 6. Unsaturated hydrocarbons (composition and structure 7. 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 1. Origin and composition of petroleum (crude oil). 2. Nigerian and world crude oil reserves. 3. Exploration and drilling of crude oil. 4. Fractional distillation and major products. 5. Location of Nigerian Refineries. 6. Cracking and reforming. | 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. Instructional Resource: 1. 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 7. Petrochemicals as starting materials or organic synthesis. 8. Quality of petrol: meaning of octane number 9. 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. |
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