science 7 notes glb lab 06 green factories
TRANSCRIPT
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Green FactoriesObserving Structures of Producers
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Key Objectives:Key Objectives:
The student will:– Investigate and understand
cell structure and organelles– Describe cell organelles and
their functions
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Key Objectives:Key Objectives:
The student will:– Investigate and understand
the basic needs and life processes of plants
– Identify how plants obtain the resources they need to survive
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Key Objectives:Key Objectives:
The student will: – Investigate and understand
the physical and chemical process of photosynthesis
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Key Objectives:Key Objectives:
The student will: – Investigate and understand
the physical and chemical process of cellular respiration and its importance to plant life
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Key Objectives:Key Objectives:
The student will:– Investigate and understand
that photosynthesis is the foundation of virtually all food webs
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Key Objectives:Key Objectives:
The student will:– Relate the role of producer to
that of consumers in a food chain or food web
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Key Terms Key Terms
PhotosynthesisStoma (stomata )Guard CellsReactantProductChemical Bond
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Photosynthesis
The life process carried out in chloroplasts within some plant cells:– Energy from light is used to
make food molecules (Glucose - C6H12O6)
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Photosynthesis
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Photosynthesis
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Stoma (stomata-plural)
Openings in the underside epidermis of a green leaf that allow for Carbon Dioxide (CO2), Oxygen(O2) and water vapor to enter and exit the leaf
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Stoma (stomata)
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Guard Cell(s)
Two small leaf cells on each side of the stoma that open and close the stoma
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Guard Cell(s)
STOMAOPEN
STOMAGUARD CELLS
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Reactant
In a chemical equation these are the chemicals that begin the process or what goes in to the equation6 CO2 + 6 H2O C6H12O6 + 6 O2
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Product
In a chemical equation these are the chemicals that end the process or what comes out of the equation6 CO2 + 6 H2O C6H12O6 + 6 O2
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Chemical Bond
The result of a chemical reaction when two reactants combine chemically to form new products
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Lab TimeLab Time
Now it is time to introduce the new lab.
Pease open your Green lab guides to page 65
Read the introduction silently as I read it aloud
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Slides for lab activity
What do Plants need for Photosynthesis?– Sunlight– Chlorophyll– Water H2O
– Carbon Dioxide CO2
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Slides for lab activity
How do you think plants get the things for photosynthesis?– Chloroplasts in Leaves
Absorbs sun light– Roots
Water in– Stoma
CO2 in, O2 out through the underside of the leaf. Water Vapor out
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Aquatic Producers
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Elodea Magnified
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Elodea Cells Magnified X1000
CHLOROPLASTS
CELL WALLS
CYTOPLASM
NUCLEUS
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Tradescantia
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Tradescantia leaf Magnified X100
STOMA
GUARD CELLS
STOMATA
NUCLEUS
CELL wALL
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Stoma and Guard Cells
STOMA GUARD
CELLS
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PrivEt leaf Magnified X100
PALISADE LAYER
VASCULAR BUNDLES (VEINS)
SPONGEY LAYER
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Privt leaf Magnified X1000
Mesophyll Cells(Tighten Vascular
cells)
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Photosynthesis
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Essential Learnings
Organisms that perform photosynthesis are called producers because they make or produce their own food.
Consumers and Decomposers make up everything else
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Essential Learnings
Photosynthesis is the process in which producers make food by using light energy, carbon dioxide and water
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Essential Learnings
Chlorophyll is a green colored chemical inside chloroplasts that allows for the process of photosynthesis to take place
Chloroplasts must be present in the producer to perform photosynthesis
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Essential Learnings
Carbon dioxide (CO2) and water (H2O) are the raw materials which plants must obtain from the environment for photosynthesis
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Essential Learnings
To obtain materials needed for photosynthesis, plants have roots and stems to absorb water, leaves containing chloroplasts to collect light and stomata on the underside of each leaf to allow for the exchange of gases
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Essential Learnings
The stomata located on the underside of the leaf’s epidermis is controlled by guard cells which open and close each stoma to allow for the exchange of carbon dioxide (in) and oxygen and water vapor (out)
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Essential Learnings
Plants produce sugar called glucose for food and oxygen as bi-product during photosynthesis
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Essential Learnings
First level/primary Consumers called Herbivores eat the plants to get energy from the glucose stored inside the plant.– Ex. Insect
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Essential Learnings
Secondary consumers called Carnivores eat the Herbivores– Fish
Third-level or Tertiary consumers called Omnivores eat everything to get their energy– Bear
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Essential Learnings
Decomposers break down the waste products and dead organisms and return the nutrients to the soil