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Photosynthesis Middle School

6th grade<br>7th grade<br>8th grade<br>Science

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Photosynthesis Middle School

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  1. Week 2 I Can: Model the process of photosynthesis and Explain its role in providing matter and energy to consumers STEM Value: Design and Systems Thinking

  2. Study Jams: Photosynthesis

  3. Introduction to Photosynthesis It’s a Matter of Life! Directions:Identify what plants need in order for photosynthesis to take place, what is produced during photosynthesis, and how those products are used after production. Plant Needs for Photosynthesis Plant Produces During Photosynthesis Uses of Photosynthesis Products Sugar (Glucose) Plant growth/ reproduction Sunlight Eaten by consumers for energy Water Oxygen Animals need to breathe for survival Carbon Dioxide ‹#›

  4. Modeling Photosynthesis Plants, algae, and other photosynthetic organisms get energy from the Sun to make their own food through the process of photosynthesis. In this activity, you will be simulating photosynthesis in photosynthetic organisms, such as plants, algae, and photosynthetic bacteria. You will work through each station and collect the materials needed to complete the investigation. A “plastic bag” will actas your photosynthetic organism.

  5. Carbon Dioxide - GAS The photosynthetic organism will gather carbon dioxide from the atmosphere. Plants need Six molecules of carbon dioxide to perform photosynthesis.

  6. Water - LIQUID Water or H2O. Plants need SIX molecules of water to perform photosynthesis.

  7. Sunlight - ENERGY or heat and light that travels on Waves. Sunlight. Sunlight will hit the chlorophyll in the chloroplast and start the process.

  8. Photosynthesis Products Reactants

  9. Nutrients and molecules found in nature: CO2 H20 and sunshine Modeling Photosynthesis - REACTANTS Bag represents the inside a producer - like a tree leaf

  10. This is a glucose molecule! Build one using the blocks below. What is left over? Modeling Photosynthesis - PRODUCTS Bag represents the inside a producer - like a tree leaf

  11. Producers use the reactants + sunlight to produce: Oxygen O2 Forms of GLUCOSE

  12. Wrap-up Where in the cell does photosynthesis occur? I can: Model the process of photosynthesis and Explain its role in providing matter and energy to consumers How do we feel?

  13. Small Group Reflection Breakout rooms Have ONE team member record your answers and submit for the team! If you are confused about the assignment we just did, stay here. If you understood the lab well, join your breakout room to discuss the questions together.

  14. Team Member Names: • What are the raw materials needed from nature for an organism to carry out photosynthesis? • What are the products (results) of photosynthesis? • What happens to carbon in the process of photosynthesis? • What is the path or flow of energy in the process of photosynthesis? Carbon Dioxide, Water and Sunlight Glucose (Sugar) and Oxygen molecules The carbon, which is originally in the carbon dioxide molecule, is rearranged and used to create the glucose molecule. Energy starts at the sun → Energy is transferred into plants (specifically their chloroplasts) → Energy is used during the photosynthesis reaction → Energy is stored in the plants as sugar to be used at a later time (either by the plant or by a consumer that eats the plant).

  15. Week 2 I can: explain the relationship between the Sun’s energy and the process of photo -synthesis. STEM Value: Design and Systems Thinking

  16. Warm-up In the Chat • To survive, what gas do we need to breathe in? Para sobrevivir, que gas necesitamos respirar? • What produces this gas? ¿Qué produce este gas? • What is the name of the process? Cual es el nombre del proceso?

  17. Review NearPod - Mosa Mac

  18. Photosynthesis= the process in which plants use the energy from the sun to produce food • We have oxygen in our atmosphere as a result of photosynthesis! • Photosynthesis occurs in the chloroplast of a plant cell! SUGAR (GLUCOSE) IS MADE

  19. REMEMBER:Photosynthesis is a chemical reaction! Remember: In a chemical reaction, a new substance is formed!

  20. Photosynthesis Gizmo https://docs.google.com/forms/d/1zLNhxAhpifcOlZwnmlqp4GN9xRF_Ja_DIZJhik-FiiY/edit→ GOOGLE FORM GRADED ASSIGNMENT - MAKE A COPY

  21. GIZMO Discussion Question: Suppose you were a farmer trying to grow plants in a greenhouse. Why would it be important to know what the limiting factor is? https://www.youtube.com/watch?v=pPw51fDTl68

  22. What resources would we need during space exploration to sustain life? In the Chat... Go to Small Groups.

  23. NASA’s Inflatable Greenhouse What is it? How does it work? https://youtu.be/6TRoQongs5A https://youtu.be/8V54UaUXqXg

  24. NASA’s Inflatable Greenhouse Discussion • What is the purpose of NASA’s inflatable greenhouse? • Describe how the plants in the greenhouse system will obtain the reactants needed for photosynthesis. • Carbon Dioxide- • Water- • Sunlight- To make a sustainable source of food/oxygen/clean water for astronauts. Astronauts breathe out carbon dioxide. Astronauts will be sent up with water to sustain plants. It will cycle through and be re-used. A solar unit will trap the sunlight and funnel it underground to the plants.

  25. Wrap-up How does oxygen production relate to the rate of photosynthesis? I can: explain the relationship between the Sun’s energy and the process of photosynthesis. How do we feel?

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