11/17 & 11/18 - 7 th grade agenda learning objective: learn about respiration collect hw:...
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11/17 & 11/18 - 7th Grade Agenda
Learning Objective: Learn about RespirationCollect HW: Reading & Note Taking p.71 – 74 Brain Pop PhotosynthesisLab: Elodea PlantClass Reading: 118 - 127HW: Reading Guide Chap 4 Section 1 & 2
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Reflection
• Prompt: What is respiration. What is the difference between photosynthesis and respiration? (Write in complete sentence)?
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Chap 4 Photosynthesis• What is Photosynthesis?
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Photosynthesis
• Photosynthesis: The process by which a cell captures the e________ in sunlight and uses it to make f______.
nergyood
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Photosynthesis: 2 Stage Process
• Stage 1: Capture Sunlight (energy) through Chloroplasts
• Stage 2: Use captured water, energy and carbon dioxide to produce sugar and oxygen
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Chloroplasts
• Chl________ pigments inside chloroplasts absorb su________ and convert it into energy
Chloroplasts
orophyll
nlight
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Stomata
• C_________ D________ is absorbed through openings in the underside of the leaves called Stomata
arbonioxide
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Close up of Stomata
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Do plants produce carbon dioxide? (Yes or No)
• Can plants produce oxygen at night?
• How can plants create the required energy at night?
At night, plants breath in small amount of oxygen and
produce carbon dioxide
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Autotrophs & Heterotrophs
• Which organisms in these photos are autotrophs?
• Which organisms in these photos are heterotrophs?
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What is Respiration?
• What is respiration?
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Respiration Demonstartion
1. Cup your hand and hold it over your mouth
2. Breath out
3. Rub your hands
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What is Respiration?
• During pho______________ plants capture and save en_____ in the form of car_________ (sugars and starches)
tosynthesisergy
bohydrate
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What is Respiration?
• After you e__, your body converts the carbohydrates into gl_______ (type of sugar)ucose
at
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Respiration: 2 Stage Process
• Stage 1: Gl______ is broken down into smaller molecules
• Stage 2: Mit________ takes the ox______ and glucose and converts it into ca_____ dioxide, w______ & energy
ucose
ochondriaygen
rbonater
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What is the relationship between Photosynthesis and
Respiration?• Photosynthesis and
respiration can be thought of as opposite processes
• Together these two process form a cycle that keeps the level of oxygen and carbon dioxide fairly constant
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Fermentation provides en_______ from cells without
using ox_______ergy
ygen
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Alcoholic Fermentation: Y_____is used to break down s______ and produce carbon dioxide (making br_____ and
be_____)
eastugar
eader
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Lactic Acid Fermentation happens when you over work your
m_______ and your cells don’t get enough o_______
usclexygen
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Microscope Lab