Sunday, 11 December 2011


Class        :                 6 Red
Theme      :                 Investigating Materials

Learning Area:         Food Preservation

Learning objective:  Pupils should learn:-
1.2         To synthesize the concept of food preservation.

 Learning outcomes: Pupils should be able to:-

1.           describe ways to preserve food.
2.           give examples of food for each type of food preservation.

Duration of time:      60 minutes

SPS          :    observing, communicating, making inferences, experimenting, predicting

MS            :    1. Handle specimen correctly and carefully.
                       2. Clean science apparatus.

Previous knowledge: Pupils had learnt about food spoilage.

Scientific attitudes & noble values: Being cooperative, being thankful to God.

Resources: fresh fish, salted fish, papaya, milk, vegetables, flash cards, salt, sugar, vinegar, bottle, worksheet, mahjung paper.

Step/ Activities
Teacher’s Classroom Language
(5 minutes)
To attract pupils
  1. Teacher shows two types of food in front of the class.
  2. Teacher asks pupils to name the food that are shown to them.
  3. Teacher asks which food will last longer.
  4. Teacher asks pupils how to keep the food so that it will last longer.

P: Good morning, teacher.
T: Good morning, class. How are            you today?
P: Fine, thank you.
T: Ok, class. Please look here. What can you see?
P: Fish, teacher.
T: Good, now can you tell me which food will last  longer?
Pupils give their answers.
Teacher shows a fresh fish.
T: How do we keep the fresh fish so that is will last longer?
Pupils give their answers.

Fresh fish, salted fish
(15 minutes)

Name the methods of preservation.
(Observing, communicating)
  1. Teacher shows different types of food in front of the class,
  2. Teacher asks pupils to think of ways to keep these foods so that they will last longer.
  3. Teacher calls out a few pupils to give their answers.
  4. Teacher introduces the names of every method of preservation.
Teacher shows each type of food one by one and asks:
T: Class, can you tell me how to keep this food so that it will last longer?
Pupils give their own answers.
T: Very good. This method is called freezing/ smoking/ drying/ pickling/ salting/ bottling/ canning/ pasteurizing/waxing/ vacuum packing/ cooling.

Fish, milk, papaya, vegetable
Development 2
(20 minutes )
(Experimenting, observing)
  1. Pupils carry out the experiment.
·         Cut the fruit into pieces.
·         Mix the fruit with salt.
·         Wash and rinse the fruit.
·         Put the fruit into concentrated sugar solution.
·         Add some vinegar.
·         Seal the bottle tightly.
  1. Teacher guides pupils to write their experiment report.
T: Please sit in your own groups. The group leaders
    please come in front and take your apparatus.
T: Please follow the instructions given in the worksheet.
T: Please write your report of this activity in your
    Science Practical Book.

Salt, sugar, vinegar, papaya, bottle
Development 3
(15 minutes)
Discussion (Communicating, making inferences)
1, Teacher and pupils discuss the steps of pickling.
2. Teacher explains the function of sugar and vinegar in the process.
3. Teacher shows the flash cards about the steps and asks pupils to rearrange the steps.

4. Teacher distributes the worksheets to each pupil.

5. Pupils hand it up at the end of lesson.

T: Can you tell me why we need to put the fruit into   concentrated sugar solution and vinegar?
Pupils give their answers.
T: Can you predict what will happen to the papaya if we do not preserve it?
P: It will get spoil.
T: Now, can you rearrange the steps of pickling which you have just done?

T: Class, please complete this worksheet now and hand up at the end of lesson.
P: No problem, teacher.

Flash cards, worksheet
(5 minutes)
Writing the methods of preservation. (communicating)
  1. Teacher shows four types of food on a mahjung paper.
  2. Teacher calls out four pupils to write the methods that can be applied to preserve these foods.
  3. Teacher checks the answers.

T: Before ending our lesson today, I would like to call a few of you to come in front.
T: I want you to write the methods of preservation for these four types of foods.
Four volunteers come out and write the answers on the mahjung paper.

T: Well done.
T: Please hand up your worksheet now and thank you.
Mahjung paper

1 comment:

  1. Thanks for sharing this helpful lesson plan :)