Daily Lesson Plan

Date : 26th july 2012

Time : 8. 20 a.m – 9 .20 a.m

Class : Year 5 Appar

No. Of pupils : 36

Subject : Science

Theme : Investigating Material

Learning area : 2. Acid and Alkali

Leaning objective : 2.1 Understanding the properties of acidic, alkaline and neutral

substances.

Learning outcome : At end of this lesson, Students will be able to:

1) Identify acidic, alkaline and neutral substances using litmus

paper.

2) Identify the taste of acidic , alkaline and neutral substances.

3) Conclude the properties of acidic, alkaline and neutral

substances

Pre- requestion Knowledge:

Students have learnt about the tastes of food substances and colour. Some food

substances such as vinegar solution, baking powder, detergent solution, lime water,

toothpaste, cooking oil and tap water are quite familiar to students.

Scientific skills and Thinking skills :

1) Predict the substances that acidic, alkaline or neutral.

2) Classify the substances according their property whether they are acidic,

alkaline or neutral.

3) making their own concept about the property of substances.

Manipulative skill : Use and handle the materials for investigation process.

Scientific attitudes and values : Be honest in gathering data and Having critical and

analytical thinking.

Teaching and learning resources: Litmus papers, beaker, detergent solution, vinegar

solution, tap water, mango, medicine, tea, lotion,

’asam keping ‘, detergent powder, lime water, rice,

toothpaste, orange juice.

Assessments : Students verbal interaction, student problem solving

and worksheet.

Safety precaution : Student should not taste the material that contain

chemical substances such as lotion and detergent

solution.

Detailed steps:

Phase Contents Teaching and learning

activities

Teaching and

learning aid

Orientation

( 5 Min )

Change of

litmus colour

paper

- Teacher make a

demonstration

how litmus papers

can change their

colour when dip in

the colourless

liquids

Observation

Manipulative skills

Elicitation

( 10 Min)

Properties of

acidic, alkaline

or neutral

substances

- Students predict

the property of

materials in front

of them and they

need to

investigate the

property of

materials that he

had provided

using litmus paper

to determine

whether they are

acidic, alkaline or

neutral by

demonstrating in

front the teacher.

-

Predicting

Thinking skills

Experimenting

Manipulative skills

Restructuring

ideas

(10 Min )

Properties of

acidic, alkaline

or neutral

substances

( chemical

properties)

- Students compare

their prediction

and their

observation.

- Teacher poses

them with conflict

which is using the

Comparing

Thinking skills

dry substances

that has property

acid and alkali.

When in dry they

not change the

colour of litmus

paper, but when

put a little bit of

water they can

change the colour

of litmus paper.

Application

(20 min)

Effect of acid,

alkaline and

neutral

- Students doing

investigation on

the substances

that they use in

daily life such as

tamarind, canned

drink, yogurt, lime

juice and tomato

sauce.

- Students will

discuss their

observation and

conclude the

properties of

acidic, alkaline

and neutral

substances in

terms of colour

change of litmus

paper and taste.

Manipulative skills

Reflection - Student making a

simple mind map

Thinking skills

(15 min)

about the topic.

- Student will

complete the

exercise sheet

that given to them.

(Disediakan oleh ( Senarai nama ahli lesson study)

1) Sivajothy Sivalingam

2) Pn. A. Santhi

3) En. Ravichandran

4) Pn.M.Vadive

Tarikh: 26.July.2012

Name: _________________________________ Date: __________________

Learning objective: Understanding the properties of acidic, alkaline, and neutral substance.

Identify acidic alkaline and neutral substances using litmus paper Identify the taste of acidic and alkaline food Conclude the properties of acidic, alkaline and neutral substances.

A. Classify the following substances into acidic, alkaline, and neutral substances. Put a tick (√) in the correct column.

Substance Acidic Alkaline Neutral

P

Q

R

S

T

U

V

W

B. Complete the table

Substance Effect on litmus paper Inference

Red Blue

Toothpaste

Sour milk (yogurt)

Soap solution

Cooking Oil

Soft drinks

C. Fill in the blanks with the correct words. Use the words given.

1. Acidic substances change ________________ litmus paper to ______________.

2. Alkaline substances change ________________litmus paper to _______________.

3. _____________ substances do not have any effect on either blue or red litmus paper.

4. Lime juice is an _______________ substance and has a ________________ taste.

5. Toothpaste is an ______________ substance and has a _________________ taste.

6. Cooking oil is a ________________ substance and it has __________________.

D.Group the following substances into acidic, alkaline, or neutral substances.

DETERGENT BLEACH SOAP TOOTHPASTE

VINEGAR ICE SNOW WATER

Acidic substances Alkaline substances Neutral substances

Attachments

blue acidic red sour neutral alkaline bitter no taste

Materials used for the demonstration

Litmus paper pH Chart Beaker

Syampoo Soap Pineapple

Mineral water Vinegar Rice

Cocoa Fruit Bicarbonate of Soda