Week 25(17/6/2013-21/6/2013)

Date	17/6/2013
Time	7.05 am – 8.15 am
Class	4K8
Subject	Science
Theme	Energy In Life
Learning Area	Energy And Chemical Changes
Learning Objective	Analyzing heat change in chemical reactions
Learning Outcome	Student is able to: a) Relate changes in temperature of reactants to exothermic reactions b) Relate changes in temperature of reactants to endothermic reactions c) Explain through examples heat changes that occur during industrial chemical reactions
Activities	Discuss examples of heat changes in industrial reactions
Noble Values	Appreciating the balance of nature.
Teaching Aids	a) Textbook b) Reference book c) Workbook
Reflection	At first, teacher discusses the relationship between changes in temperature with exothermic reaction and endothermic reaction. About 10 of the students understand the concept and able to give several examples based on their daily life experiences. To evaluate their understanding, teacher gives exercises. However, they did not finish the exercises on time. Therefore, discussion will continue on the next class.

 

Date	17/6/2013
Time	8.15 am – 9.25 am
Class	4S3
Subject	Chemistry
Theme	Matter Around Us
Learning Area	Chemical Bonds
Learning Objective	Synthesizing ideas on formation of ionic bond.
Learning Outcome	Student is able to : a) Explain formation of ions. b) Write electron arrangements for the ions formed. c) Illustrate electron arrangement of an ionic bond. d) Illustrate formation of ionic bond.
Activities	Gather information and discuss the ionic bond.
Noble Values	Appreciating the balance of nature.
Teaching Aids	a) Textbook b) Reference book
Reflection	Today's objectives are achieved. All of students are able to explain the formation of ionic bond as well as illustrate the electron arrangement for formation of ionic bond. Teacher gives several exercises that required them to explain and illustrate. All of students are able to draw the correct illustration.

 

Date	18/6/2013
Time	9.45 am – 10.55 am
Class	5S2
Subject	Chemistry
Theme	Interaction Between Chemicals
Learning Area	Oxidation And Reduction
Learning Objective	Analysing redox reaction
Learning Outcome	Student is able to : a) Relate the oxidation number of an element to the name of its compound using the IUPAC nomenclature. b) Explain with examples oxidation and reduction processes in term of the change in the oxidation number. c) Explain with examples oxidising and reducing agents in redox reactions. d) Write oxidation and reduction half-equations and ionic equations.
Activities	Carry out activities to investigate oxidation and reduction in the following reaction : a) Combustion of metal in oxygen  or chlorine b) Heating of metallic oxide with carbon c) Change of Fe2t ions to Fe3t ions and ions. d) Displacement of metal from its salt solution
Noble Values	Appreciating the balance of nature.
Teaching Aids	a) Textbook b) Reference book
Reflection	At first, about 20 of students do not understand because they cannot imagine the experiment done to investigate the oxidation and reduction in the reactions. Teacher takes initiative by drawing step by step involved regarding the experiment. Finally students get clearer understanding and able to identify each oxidation and reduction process that occurs in each reaction. Today's objectives are achieved.

 

Date	18/6/2013
Time	11.30 am – 12.40 pm
Class	4S1
Subject	Chemistry
Theme	Matter Around Us
Learning Area	Chemical Bonds
Learning Objective	Synthesizing ideas on formation of ionic bond.
Learning Outcome	Student is able to : a) Explain formation of ions. b) Write electron arrangements for the ions formed. c) Illustrate electron arrangement of an ionic bond. d) Illustrate formation of ionic bond.
Activities	Gather information and discuss the ionic bond.
Noble Values	Appreciating the balance of nature.
Teaching Aids	a) Textbook b) Reference book
Reflection	Today's objectives are achieved. All of students are able to draw the illustration for formation of ionic bond. To test their knowledge and understanding, teacher gives a lot of exercises. Students discuss among their group members and ask teacher if they have difficulties. Teacher monitors and guides them.

 

Date	19/6/2013
Time	7.05 am – 8.15 am
Class	5S3
Subject	Chemistry
Theme	Interaction Between Chemicals
Learning Area	Oxidation And Reduction
Learning Objective	Analysing redox reaction
Learning Outcome	Student is able to : a) Relate the oxidation number of an element to the name of its compound using the IUPAC nomenclature. b) Explain with examples oxidation and reduction processes in term of the change in the oxidation number. c) Explain with examples oxidising and reducing agents in redox reactions. d) Write oxidation and reduction half-equations and ionic equations.
Activities	Carry out activities to investigate oxidation and reduction in the following reaction : a) Combustion of metal in oxygen  or chlorine b) Heating of metallic oxide with carbon c) Change of Fe2t ions to Fe3t ions and ions. d) Displacement of metal from its salt solution
Noble Values	Appreciating the balance of nature.
Teaching Aids	a) Textbook b) Reference book
Reflection	Today's objectives are achieved. At first, they confuse because cannot remember the previous lesson. Teacher recalls back first the previous lesson and finally there are able to apply for several concepts of redox reaction. Teacher asks several students to explain back the reactions involved and they are able to describe. Teacher gives exercises to evaluate their understanding.

 

Date	19/6/2013
Time	9.45 am – 10.55 am
Class	4S3
Subject	Chemistry
Theme	Matter Around Us
Learning Area	Chemical Bonds
Learning Objective	Synthesising ideas on formation of covalent bond
Learning Outcome	Student is able to : a) State the meaning of covalent bond b) Explain formation of covalent bond c) Illustrate formation of a covalent bond by drawing electron arrangement d) Illustrate formation of covalent bond e) Compare and contrast formation of ionic and covalent bonds
Activities	Collect and interpret data on formation of covalent bond.
Noble Values	Appreciating the balance of nature.
Teaching Aids	a) Textbook b) Reference book
Reflection	Teacher continuous the previous activity for today's lesson since several of them still does not master this subtopic and cannot complete the exercises given. Therefore, teacher gives a lot of exercises to help them master the drawing and explanation for ionic bond and covalent bond. Students ask teacher if they do not understand.

 

Date	19/6/2013
Time	12.05 pm – 12.40 pm
Class	4K8
Subject	Science
Theme	Energy In Life
Learning Area	Energy And Chemical Changes
Learning Objective	Synthesizing the reactivity series of metals
Learning Outcome	Student is able to: a) Describe the reactivity of metals with water b) Describe the reactivity of metals with acids c) Describe the reactivity of metals with oxygen
Activities	Discuss and arrange metals in order of reactivity
Noble Values	Appreciating the balance of nature.
Teaching Aids	a) Textbook b) Reference book c) Workbook
Reflection	Today's objectives do not achieved since cannot cover for all objectives in only one period. Students have difficulties to understand therefore teacher explains several time for first objectives only. Teacher discusses experiment involved to make sure they understand.

 

Date	20/6/2013
Time	9.45 am – 10.55 am
Class	5S2
Subject	Chemistry
Theme	Interaction  Between Chemicals
Learning Area	Oxidation And Reduction
Learning Objective	Analyzing rusting as a redox reaction
Learning Outcome	Student is able to : a) State the conditions for the rusting of iron b) State what corrosion of metal is c) Describe the process of rusting in terms of oxidation and reduction d) Generate ideas on the use of other metals to control rusting e) Explain with examples on the use of a more electropositive metal to control metal corrosion f) Explain with examples on the use of a less electropositive metal to control metal corrosion.
Activities	Discuss : a) Conditions for the rusting of iron b) The meaning of corrosion of metal c) The process of rusting in terms of oxidation and reduction
Noble Values	Appreciating the balance of nature.
Teaching Aids	a) Textbook b) Reference book
Reflection	At first, about 10 of the students do not understand the process of rusting because they get confuse with the equations involved. However, they are able to state the conditions for rusting. Teacher explains several time the process of rusting with the help of diagram. Finally, they are able to explain back the process by referring to the diagram.

 

Date	20/6/2013
Time	10.55 am – 12.10 pm
Class	4S1
Subject	Chemistry
Theme	Interaction Between Chemicals
Learning Area	Electrochemistry
Learning Objective	Understanding properties of electrolytes and non-electrolytes
Learning Outcome	Student is able to : a) State the meaning of electrolyte b) Classify substances into electrolytes and non-electrolytes c) Relate the presence of freely moving ions to electrical conductivity.
Activities	Discuss : a) The meaning of electrolyte b) The relationship between the presence of freely moving ions and electrical conductivity.
Noble Values	Appreciating the balance of nature.
Teaching Aids	a) Textbook b) Reference book
Reflection	Today's objectives are achieved. All of students are able to differentiate between electrolyte and non-electrolyte based on their chemical properties. They also able to explain the reason for ability of electrical conductivity for both types of bond. Teacher evaluates them by giving simple exercises and they are able to give correct answers.

 

21/6/2013 ~ Teacher takes CRK