intervention material in science (photosynthesis)
TRANSCRIPT
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An Intervention Material in Science 9
Prepared by:
JOHN FLORENTINO E. ECHON
Science Teacher
Submitted to:
LENIE N. ELAMPARO,
Ed. D. Principal II
PHOTOSYNTHESIS
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JOHN FLORENTINO E. ECHONProponent, Taltal National High School
LENIE N. ELAMPARO, Ed. D.Principal II, Taltal National High School
A Strategic Intervention Material
in Science 9
APRIL 2016
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Least Mastered Learning
Competency
Compare the light and dark
reactions in
photosynthesis.
JOHN FLORENTINO E. ECHON, TNHS
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Guide
CardJOHN FLORENTINO E. ECHON, TNHS
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WHAT IS PHOTOSYNTHESIS?
Plants, algae, and other chlorophyll-bearing organisms capture light energy and use it to produce food. This energy is passed on to animals that feed directly on plants or on other animals that have fed on plants. The entire process of capturing light energy to produce food is called photosynthesis.
The equation is:6CO2 + 6H2O + light chlorophyll -> C6H12O6 + O6
JOHN FLORENTINO E. ECHON, TNHS
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REMEMBER
In the light-dependent process, light strikes chlorophyll in such a way as to excite electrons to a higher energy state. In a series of reactions, the energy is converted (along an electron transport
process) into ATP and NADPH. Water is split in the process, releasing oxygen as a by product of the reaction. The ATP and NADPH are used to make C-C bonds in the dark reaction. The photosynthetic process, in which food(sugar) molecules are
formed from the carbon dioxide in the atmosphere with the use of ATP can occur in the dark as long as ATP is present.
Photosynthesis is two stage process. The light reaction that took place in the grana of the chloroplast and the dark
reaction that took place in he stroma of the chloroplast.
JOHN FLORENTINO E. ECHON, TNHS
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Photosynthetic General Equation
JOHN FLORENTINO E. ECHON, TNHS
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What Happens during the photosynthesis?
JOHN FLORENTINO E. ECHON, TNHS
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JOHN FLORENTINO E. ECHON, TNHS
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JOHN FLORENTINO E. ECHON, TNHS
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activity
CardJOHN FLORENTINO E. ECHON, TNHS
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Photosynthetic General Equation
JOHN FLORENTINO E. ECHON, TNHS
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Study the diagram below and complete it using the words in the box.SUN
Light energy
Is absorbed by
Energy carrier that becomes ENERGIZED CHLOROPHYLL that supplies energy to
split and add
2H
That is releasedThat are trapped byNADP (H acceptor)
forming
For use in the dark reaction
p
to
( energy carrier)
forming
That stores energy
Water OxygenNADPH2 WaterChlorophyll
JOHN FLORENTINO E. ECHON, TNHS
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assessment
CardJOHN FLORENTINO E. ECHON, TNHS
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Photosynthetic General Equation1. Which of the following reactions is also known as photo phase?
a. Light dependent b. Light independent c. Anaphase
2. Which of the following reactions is also known as synthesis phase?
a. Light dependent b . Light independent c. Metaphase
3. What kind of energy is used to split two molecules of water?
a. Light b. Proton c. Neutron
4. What is the energy source of the cell?
a. NAD b. ADP c. ATP
5. What is made up of 5-carbon sugar and an important carbon dioxide acceptor?
a. ATP b. RUDP c. PGAL
JOHN FLORENTINO E. ECHON, TNHS
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enrichment
CardJOHN FLORENTINO E. ECHON, TNHS
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COMPLETE THE SENTENCE
The ___________ is the conversion of light energy into chemical energy. The light dependent reaction includes the conversion of __________ energy into electron energy, then into short-term energy storage __________. The __________ reaction involves the conversion of short-term energy storage to long term energy storage ___________.
JOHN FLORENTINO E. ECHON, TNHS
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reference
CardJOHN FLORENTINO E. ECHON, TNHS
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Dela Cruz, Susana B. Biology ( Pheonix Next Century)
Agar, Irene C. et.al. Science and Technology II
JOHN FLORENTINO E. ECHON, TNHS