variation form 4
TRANSCRIPT
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LESSON PLAN
MACROTEACHING
PRESENTED BY:
NORHAIZA BINTI HASHIM
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• FORM :4 CEMERLANG• THEME :MAINTENANCE AND CONTINUITY OF LIFE• LEARNING AREA : HEREDITY AND VARIATION.
• LEARNING OBJECTIVES : UNDERSTAND VARIATION AND THE
FACTORS THAT CAUSE VARIATION .
• LEARNING OUTCOMES:
• A student is able to :
• State what variation is
• List variation in humans
• Identify factors that cause variation
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PREVIOUS KNOWLEDGE :
STUDENTS HAVE ALREADY LEARN ABOUT
• Students knew that all organisms varies in look and shape.• Students knew about the dominant genes and recessive genes.• Students knew the mechanism of inheritance of traits.
TIME: 40 MINUTES
SCIENTIFIC SKILLS : Observing, comparing, classifying
SCIENTIFIC THINKING :Comparing and contrasting, Grouping and clasifying, Visualizing
SCIENTIFICAL ATTITUDES AND MORAL VALUES:
1) To appreciate the God’s creation that is different from one
another.
RESOURCES :Text book, reference book, worksheets and CD Presentation (powerpoint)
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Phase Content Teaching & learning activities
Set induction
(5 mins)
Introduce a few photo of examples about variations.
Teacher shows the
students a few
differences photo about
variations.
Teacher asks students :
1. What they see at the photo.
2. What are the differences among individuals of the same species.
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Development
Step 1
(15 mins)
Understanding variation.
Teacher shows and describe the content through Powerpoint presentation
Teacher shows the
pictures and
discusses with the
student about :
1. The meaning of the variation.
2. Example of variation in humans
3. The factors that cause variation
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Development
Step 2
( 5 minutes )
Development
Step 3
(10 minute )
1. The meaning of the variation.
2. Example variation in humans
3. The factors that cause variation
Teacher gives a short quiz using powerpoint to assess the students’ understandings.
•Teacher asks the student
to work in pairs.• Teacher distributes
worksheet with
instructions on how to
carry out the activity.• Teacher directs the
students to carry out the
activity.•Teacher and students
discuss the answer.
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Closure
( 5 minutes )
Remind back to the student about :
Meaning of the variation.
Two factors that caused variation
Teacher show the conclusion diagram for this topic.
Teacher calls the student randomly and asks what they had learnt today.
Teacher gives the homework to be submitted by tomorrow.
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PICTURE 1 : CAPSICCUM PICTURE 2 : HIBISCUS
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VARIATION AND FACTORS THAT CAUSE VARIATION
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BY THE END OF THE LESSON :
A student is able to :
• State what variation is
• List variation in humans
• Identify factors that cause
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THE MEANING OF VARIATION
The diffrences among individuals of the same
species.
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The students are differ :
• Height• Weight• Hair type• Skin colour
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There are 2 factors thatcaused variation.
• Genetic Factors
• Environmental Factors
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GENETIC FACTORS
1. Genetic factors are inherited.
2. The examples of variations caused
by the genetic factors are :
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Types of blood
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Colour of eyes
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Colour of hair
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Types of ear lobes
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Types of hair
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Pattern of thumb print
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Ability to roll the tongue
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ENVIROMENTAL FACTORS
1. Environmental factors are
not inherited.
2. The examples of variations caused
by the environmental factors are :
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Expose to excessive sunlight
Before joining After joining
The skin colour of the boy has changed. He is tanned.
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OTHER EXAMPLE
• Climate
• Exercise / activities
• Inteligence Quotient (IQ)
• Height
• Weight
• Language skill
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ACTIVITY 1
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INCTRUCTION:THE CLASS MUST PRONOUN EITHER
GENETIC FACTORS OR ENVIRONMENTALFACTORS LOUDLY.
ABILITY TO ROLL THE TONGUEEXCERCISESINTELLIGENCE QUOTIENT (IQ)DIET TYPES OF EAR LOBESWEIGHTHEIGHTPATTERN OF THUMB PRINTCLIMATEACTIVITIESLANGUAGE SKILL.BEING RIGHT-HANDED OR
LEFT-HANDED
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WORKSHEET
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1. What is variations ?
A. Variations is a process of a cell division.B. Variation is changes in the structure of genes.C. Variation reduces the number of the chromosome cellD. Variation is the differences found among individuals of the same species.
2. Environmental variation are greatly infleuced by the following except
A. Training.B. Genetics.C. EducationD. The place they live in.
A. Height.B. Weight.C. Types of hairD. Language skill
3. Choose the variation that is not affected by environment
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1. What is the meaning of variation ?
……………………………………………
2. From the picture given, list the differences among the individuals. 1. ……………………… 2. --------------------------
3. --------------------------- 4. ---------------------------
WORKSHEET
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3. Clasify the statement below into their factors of the variation.
GENETIC FACTOR ENVIRONMENTAL FACTOR
LANGUAGE SKILL
TYPES OF HAIR
ABILITY TO ROLL THE TONGUE
DIETS
TYPES OF EYES INTELLIGENCE IQ
TYPES OF BLOOD
HEIGHT
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SUMMARY
CONCLUSION
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YOU ARE WRONG !!
TRY AGAIN..
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WELLDONE !!
YOU ARE RIGHT
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2. The students are differ :
• Gender/ sex• Skin colour• Types of hair• Height• Weight
2. The students are differ :
Gender/ sexTypes of skinTypes of hair
HeightWeight
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GENETIC FACTORS ENVIRONMENTAL FACTORS
TYPES OF HAIR LANGUAGE SKILL
TYPES OF EYES DIETS
ABILITY TO ROLL THE TONGUE
HEIGHT
TYPES OF BLOOD INTELLIGENCE IQ