Photosynthesis Trapping the Sun’s Energy. Question: ■ How does a plant go from a tiny seed to a...
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Transcript of Photosynthesis Trapping the Sun’s Energy. Question: ■ How does a plant go from a tiny seed to a...
![Page 1: Photosynthesis Trapping the Sun’s Energy. Question: ■ How does a plant go from a tiny seed to a redwood tree? Where does the mass come from? ■ Write down,](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649e3f5503460f94b30477/html5/thumbnails/1.jpg)
Photosynthesis
Trapping the Sun’s Energy
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Question: ■ How does a plant go from a tiny seed to a
redwood tree? Where does the mass come from?■ Write down, then share with your partner
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What do you think?
![Page 4: Photosynthesis Trapping the Sun’s Energy. Question: ■ How does a plant go from a tiny seed to a redwood tree? Where does the mass come from? ■ Write down,](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649e3f5503460f94b30477/html5/thumbnails/4.jpg)
What are the reactants in photosynthesis?
Water and carbon dioxide*and light, but this isn’t made of
atoms
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What is the main product of photosynthesis?
GlucoseC6H12O6
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Modeling photosynthesis activity
1. Read the list of materials2. Gather the list of materials3. Work through the procedure. Get approval and take a
picture before breaking apart your reactants4. Get approval and take a picture before breaking apart
your products
5. When approved with the products, you may dispose of the Marshmallows as you see fit
6. Complete the rest of the worksheet in a timely fashion.
![Page 7: Photosynthesis Trapping the Sun’s Energy. Question: ■ How does a plant go from a tiny seed to a redwood tree? Where does the mass come from? ■ Write down,](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649e3f5503460f94b30477/html5/thumbnails/7.jpg)
Trapping Energy from Sunlight
■ Light energy is not always available, so energy must also be stored.
■ Photosynthesis – the process plants use to trap the sun’s energy and build glucose to store energy.
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Light from the Sun
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Where does photosynthesis take place?
■ Chloroplast contains stacks of thylakoids called grana.
■ Light-dependent reactions take place in the thylakoid membranes.
■ Light-independent (Calvin Cycle) reactions take place in the stroma
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Two Cycles of Photosynthesis
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Light-Dependent Reactions
■ Light is absorbed by chlorophyll■ Electrons are passed to NADPH which can add
them to the CO2 to make sugar■ This process also allows ATP to be made from
ADP and P which can provide energy for the Calvin Cycle
■ Water is split and replaces the lost electrons, releasing O2 gas
![Page 12: Photosynthesis Trapping the Sun’s Energy. Question: ■ How does a plant go from a tiny seed to a redwood tree? Where does the mass come from? ■ Write down,](https://reader036.fdocuments.net/reader036/viewer/2022081519/56649e3f5503460f94b30477/html5/thumbnails/12.jpg)
Calvin Cycle
■ CO2 + NADPH + ATP Glucose (sugar)
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HW: Photosynthesis review worksheet side 1 only