Photosynthesis — العلوم الصف الثاني الإعدادي لغات

درس «Photosynthesis» فى مادة العلوم لـالصف الثاني الإعدادي لغات من وحدة «Energy Flow in Photosynthesis and Cellular Respiration». This lesson explains the process of photosynthesis, the essential biological process by which plants make their own food. It starts with Van Helmont's experiment, which demonstrated the importance of water for plant growth. The lesson then explores the structure of chloroplasts, including the stroma and grana. It explains the role of chlorophyll in absorbing red and blue light. The mechanism of photosynthesis is broken into two stages: light-dependent and light-independent reactions. The lesson concludes with the equation for photosynthesis and the factors...

الدرس ده من وحدة «Energy Flow in Photosynthesis and Cellular Respiration» فى مادة العلوم لـالصف الثاني الإعدادي لغات على منصة دروسات.

الدرس متاح بالاشتراك: ترم كامل أو المادة لوحدها.

ملخص الدرس

This lesson explains the process of photosynthesis, the essential biological process by which plants make their own food. It starts with Van Helmont's experiment, which demonstrated the importance of water for plant growth. The lesson then explores the structure of chloroplasts, including the stroma and grana. It explains the role of chlorophyll in absorbing red and blue light. The mechanism of photosynthesis is broken into two stages: light-dependent and light-independent reactions. The lesson concludes with the equation for photosynthesis and the factors that affect its rate.

هتتعلم إيه فى الدرس ده

• Van Helmont's experiment and its conclusions.
• Structure of the chloroplast: double membrane, stroma, grana.
• Role of chlorophyll in absorbing red and blue light.
• Light-dependent reactions: decomposition of water and ATP formation.
• Light-independent reactions: formation of glucose from CO2 and hydrogen.
• Equation for photosynthesis.
• Formation of starch from glucose for storage.
• Factors affecting the rate of photosynthesis.