Selasa, 1 Februari 2011

Janji dikotakan : LESSON PLAN FOR SCIENCE YEAR 5

Date:                                                     1 April 2008
Time:                                                     8.30 – 9.30 am
Class:                                                     5 Kenanga
Number of pupils:                                   29
Subject:                                                  Science
Time required:                                  60 minutes
Learning Theme:                              Investigating Force and Energy
Learning Area:                                   1.1 Understanding that microorganism is a living things.
Learning Objective:                         Pupils should be able to understand that microorganism is a living thing.
Learning Outcomes:                       At the end of the lesson, pupils should be able to:
1.       State types of microorganism
2.       State that yeast is an example of microorganism.
3.       State that microorganism breathe
Prior Knowledge:                             Pupils know what are living things and the criteria of living things that are they need food & water, they breathe, they can move, they can grow and they reproduce. They’ve done experiment regarding on breads turn mouldly when left in the plastic bags for a few days.
Strategy:                                              Experiment/Discussions.
Science Process / Manipulative Skills and Thinking Skills:
  • Observing
  • Attributing
  • Grouping and classifying
  • Making conclusions
Scientific Attitudes and Values:
  • Having an interest and curiosity towards the environment
  • Realizing that science is a means to understand nature.
  • Appreciating the balance of the nature
Learning aids and materials:
  • Laptop, LCD, Worksheet, Yeast, Sugar, Warm water, Magnifying glass, Flour


Phase/Time
Contents
Teaching and Learning activities / Scientific skills
Remarks
Set Induction
(5 minutes)
What is microorganism?
Teacher shows a magnifying glass and a toothpaste. Teacher ask the pupils;
  1. What is this class?
  2. What is the purpose of magnifying glass?
  3. Why do we need to use toothpaste when we brush our teeth?
  4. What would happen if you use only teeth brush without any toothpaste?
  5. Can you feel the difference between using it and without it?
  6. Can you see the ‘things’ that cover up your mouth?
Teacher tells the pupils that today they are going to learn microorganism.
SPS: Observing
TS: Relating
Eliciting Ideas
(7 minutes)
To find out any alternative concepts among pupils
Teacher shows a video consist of microorganism.
Teacher asks:
  1. What can you see from the clips?
  2. Look around, can you see any tiny things?
  3. If you can’t, so what is the device we use to see small things?
Teacher explains to the pupils meaning of “Micro”. Then, teacher will distributes the worksheet contains defining the microorganism. Let the pupils to read it and teacher will going to explain with example from the Microsoft PowerPoint.
Teacher asks;
  1. What about yeast?
  2. Is it a microorganism?
Teacher tells the pupils that they are going to discover an example of microorganism.
SPS: Identifying,
TS: Reading
AVA: Laptop, LCD,
Microsoft PowerPoint
Restructuring Ideas
(20 minutes)
Differentiate microorganism, how they breath by using example of yeast.
Differentiate the size of microorganism with human.
Teacher asks the pupils to divide into 7 groups, each 5 members of them.
Tell the student that their will investigate yeast is type of microorganism. They will make dough from the flour and commercial yeast.
The experiment will conduct into 7 groups. Each group will carried out:
Sample A:  Flour mix Sugar + Yeast
Sample B: Flour with Salt
Sample C: Flour with Sugar
Sample D: Flour only
Teacher show how to mixture the ingredient first. Then guide the pupils in carrying out the activity.
The pupils are asks to observe what happens to the dough after 10 minutes.
After a while, ask the pupils to see the reaction occur to the dough. Use magnifying glass to see exactly what is happening to the mixture.
Teacher asks:
a). What has happened to the different mixture of dough?
b). Which dough increases in size?
c). Why do you think dough A increased in size?
d). What would happen if the dough only mixed with yeast without sugar?
Teacher shows the mouldy bread from the last experiment.
Ask the pupils to observe the bread and try to relate it with lesson’s today.
Teacher ask:
1. What can you observe from the bread class?
2. Why do you think mouldy appear to the bread?
3. How can we avoid it from happen?
The dough arises because of yeast breathing and releasing carbon dioxide by using the sugar as their food. Conclude the experiment that yeast is a microorganism. Give an example; bread is made of microorganism that is yeast.

SPS: Predicting, Making interferences,
Relating
Observing
Application of Ideas
(13 minutes)

Give the student activity sheet regarding on this topic.
Asks the pupils to discuss among their group and ask them to write the answer at the blackboard.

SPS: Discussing, Grouping, classifying and Making conclusions.

Closure
(10 minutes)
Summary on the lesson
Teacher concludes the lesson by stating the types of microorganism and microorganism breath.
Teacher asks the pupils to sing a song title “Microorganism.”


Reflection


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