Friday, July 5, 2013

Week 27(1/7/2013-5/7/2013)

Date

1/7/2013

Time

7.05 am – 8.15 am

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

Teacher continues discussion from the previous lesson. By using workbook teacher explains these reaction of metals for easier understanding. Most of them are unable to do the complete equation for reaction involved. However, they are able to identify the reactive metals.


 

Date

1/7/2013

Time

8.15 am – 9.25 am

Class

4S3

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

At first, about 10 of the students do not understand the concept of electrolytes and non-electrolytes. This is because they cannot identify the compound either ionic compound or covalent compound. Therefore, teacher recalls back the comparison between ionic bond and covalent bond as well as gives a lot of examples in identifying electrolytes and non-electrolytes. Finally, all of students are able recognizes electrolytes and non-electrolytes. Today's objectives are achieved.


 

Date

2/7/2013

Time

10.10 am – 11.10 am

Class

5S2

Subject

Chemistry

Theme

Interaction  Between Chemicals

Learning Area

Oxidation And Reduction

Learning Objective

Understanding the reactivity series of metals and its application

Learning Outcome

Student is able to :
a) Compare the differences in the vigour of the reactions of some metals with oxygen.
b) Deduce the reactivity series of metals.
c) Determine the position of carbon and hydrogen in the reactivity series of metals.
d) State what the reactivity series of metals are.
e) Describe the extraction of iron from their ores.

Activities

Discuss :
a) Reactivity of some metals with oxygen.
b) Position of carbon and hydrogen in the reactivity series of metal.
c) Extraction of iron.

Noble Values

Appreciating the balance of nature.

Teaching Aids

a) Textbook
b) Reference book

Reflection

Today's objectives are achieved. At first, student get confuse with the series of metals since it is similar with electrochemical series. Teacher explains more details on this metal reactivity series by giving chemical equations as examples. Students are able to identify either the reaction can occur or not and teacher discovers that all of them are able to understand the concept of reactivity series of metals and their application in industry.


 

Date

2/7/2013

Time

11.40 am – 12.40 pm

Class

4S1

Subject

Chemistry

Theme

Interaction Between Chemicals

Learning Area

Electrochemistry

Learning Objective

Analysing electrolysis of molten compounds

Learning Outcome

Student is able to :
a) Describe electrolysis
b) Describe electrolytic cell
c) Identify cations and anions in a molten compound
d) Describe evidence for the existence of ions held in a lattice in solid state but move freely in molten state.
e) Describe electrolysis of a molten compound
f) Write half equations for the discharge of ions at anode and cathode
g) Predict products of the electrolysis of molten compounds.

Activities

Discuss :
a) Electrolysis
b) Electrolytic process

Noble Values

Appreciating the balance of nature.

Teaching Aids

a) Textbook
b) Reference book

Reflection

Today's objectives are not fully achieved. This is because only about 10 of the students are able to do the process of electrolysis. The rest of them find this subtopic is very difficult and they cannot do even though teacher already repeats the examples several time. Teacher monitors them during exercises time. They have big problem on formation of half equation. Therefore, on the next class, teacher has to train them more on half equation involved in the electrolysis process.


 

Date

3/7/2013

Time

7.05 am – 8.15 am

Class

5S3

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

Students understand today's lesson very well. They are able to state the condition for rusting and give examples of phenomenon of rusting by using daily life experiences. Today's objectives are achieved.


 

Date

3/7/2013

Time

9.45 am – 10.55 am

Class

4S3

Subject

Chemistry

Theme

Interaction Between Chemicals

Learning Area

Electrochemistry

Learning Objective

Analysing electrolysis of molten compounds

Learning Outcome

Student is able to :
a) Describe electrolysis
b) Describe electrolytic cell
c) Identify cations and anions in a molten compound
d) Describe evidence for the existence of ions held in a lattice in solid state but move freely in molten state.
e) Describe electrolysis of a molten compound
f) Write half equations for the discharge of ions at anode and cathode
g) Predict products of the electrolysis of molten compounds.

Activities

Discuss :
a) Electrolysis
b) Electrolytic process

Noble Values

Appreciating the balance of nature.

Teaching Aids

a) Textbook
b) Reference book

Reflection

Today's objectives do not fully achieve. Students do not understand clearly and unable to complete the process of electrolysis even though teacher already gives a lot of examples. Teacher guides them step by step before giving them exercises to make sure they are able to do the half equation involved. They are encourage to discuss among themselves and ask teacher if do not understand.


 

Date

3/7/2013

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 oxygen

b) Compare and contrast the reactivity series of metals with water, acids and oxygen

c) Arrange metals in order of reactivity

d) Construct the reactivity series of metals based on the reactivity if 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

Teacher discusses the activity regarding this subtopic by using workbook for easier understanding. Students ask if they do not understand.


 

Date

4/7/2013

Time

9.45 am – 10.55 am

Class

5S2

Subject

Chemistry

Theme

Interaction  Between Chemicals

Learning Area

Oxidation And Reduction

Learning Objective

Understanding the reactivity series of metals and its application

Learning Outcome

Student is able to :

a) Describe the extraction tin from their ores.
b) Explain the use of carbon as the main reducing agent in the metal extraction.
c) Use the reactivity series of metals to predict possible reactions involving metals.

Activities

Discuss the extraction of tin.

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 describe the process involved in industry about the extraction of tin. Teacher gives exercises to evaluate their understanding.


 

Date

4/7/2013

Time

10.55 am – 12.05 pm

Class

4S1

Subject

Chemistry

Theme

Interaction Between Chemicals

Learning Area

Electrochemistry

Learning Objective

Analysing the electrolysis of aqueous solutions

Learning Outcome

Student is able to :
a) Identify cations and anions in an aqueous solution.
b) Describe the electrolysis of an aqueous solution.
c) Write half equations for the discharge of ions at the anode and cathode.
d) Predict the products of electrolysis of aqueous solutions.

e) Explain using examples factors affecting electrolysis of an aqueous solution.

Activities

Discuss the electrolysis of aqueous solution and factors affecting electrolysis in aqueous solution

Noble Values

Appreciating the balance of nature.

Teaching Aids

a) Textbook
b) Reference book

Reflection

Today's objectives do not fully achieve. Only 5 of the students are able to understand well this lesson. Students find it is very difficult and they only able to do the process with guidance from teacher. However, they are willing to discuss with group members and ask teacher if they have problems.


 

Date

5/7/2013

Time

9.40 am – 10.40 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) Identify reaction involving heat loss

b) Identify reaction involving heat gain

c) Relate changes in temperature of reactants to exothermic and endothermic reactions

Activities

Carry out the following activities (PEKA experiment) to study heat changes in chemical reactions :

a) Dissolving ammonium chloride in water

b) Dissolving sodium hydroxide in water

Noble Values

Appreciating the balance of nature.

Teaching Aids

a) Textbook
b) Reference book

c) Workbook

Reflection

All of students are able to carry out the experiment smoothly. They ask teacher when they feel the test tube hot or cold. Teacher reinforces them by relate with previous knowledge on concept of exothermic and endothermic.


 

Date

5/7/2013

Time

10.40 am – 11.40 am

Class

5S3

Subject

Chemistry

Theme

Interaction  Between Chemicals

Learning Area

Oxidation And Reduction

Learning Objective

Understanding the reactivity series of metals and its application

Learning Outcome

Student is able to :
a) Compare the differences in the vigour of the reactions of some metals with oxygen.
b) Deduce the reactivity series of metals.
c) Determine the position of carbon and hydrogen in the reactivity series of metals.
d) State what the reactivity series of metals are.
e) Describe the extraction of iron from their ores.

Activities

Discuss :
a) Reactivity of some metals with oxygen.
b) Position of carbon and hydrogen in the reactivity series of metal.
c) Extraction of iron.

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 give correct answers when ask by teacher regarding the reactivity of metals and the process of extraction. They also able to apply their prior knowledge into this lesson. Teacher gives exercises to evaluate their understanding.


 

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