respiration 7 th sciencechapter 4-2. monday 12/8/14 agenda-respiration finish photosynthesis...
TRANSCRIPT
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respiration
• 7th science • CHAPTER 4-2
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Monday 12/8/14
• Agenda-respiration
• Finish photosynthesis handout, page 122, & job qualifications paragraph
• These were assigned Thursday & Friday (due tomorrow)
• Respiration
• Fermentation
• Word-define-picture-use in a sentence
• Show me when you are done
• 8 points
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respiration
• What is the first stage of respiration?
• Takes place in the cytoplasm
• Glucose is broken down into smaller molecules
• A small amount of energy is released
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respiration
• What is the second stage of respiration?
• Takes place in the mitochondria
• Smaller glucose molecules are broken down into smaller ones
• Needs oxygen
• Releases a lot of energy
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respiration
• Besides energy, what are the 2 other products of respiration?
• Carbon dioxide
• Water
• These are released when you exhale (breathe out)
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Respiration equation
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How are photosynthesis & respiration related
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Tuesday 12/9/14
• Agenda-fermentation
• Warm up
• Finish missing work (see board)
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fermentation
• What is fermentation?
• It is a way for cells to get energy from food without using oxygen.
• Energy released is less than during respiration.
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fermentation
• What is alcoholic fermentation?
• Occurs in yeasts and other single celled organisms
• Products are alcohol, carbon dioxide and energy
• Used in baking bread & making beer.
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Alcoholic fermentation
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Alcoholic fermentation
• ‘ • ‘
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Alcoholic fermentation
• ‘ • ‘
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Wednesday 12/10/14
• Agenda fermentation
• Warm-up
• What is the difference between respiration and fermentation?
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fermentation
• What is lactic acid fermentation?
• Occurs in muscles when they don’t have enough oxygen
• Occurs during physical activity
• Lactic acid is a product that makes your muscles sore
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Lactic acid fermentation
• ATP is
Energy
ATP is released energy
Lactate is lactic acid
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Lactic acid fermentation
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Start/end
• make a chart (see sample) comparing the start/end of the 4 processes we have learned
• 4 processes• Photosynthesi
s• Respiration• Alcoholic
fermentation• Lactic acid
fermentation
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Thursday 12/11/14
• Agenda-fermentation
• What is the difference between alcoholic fermentation and lactic acid fermentation? What is the same?
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Friday 12/12/14
• Agenda-photosynthesis review
• Where does photosynthesis take place?