Begin with an engaging question: 'How do plants make their own food?' to spark curiosity and introduce the concept of photosynthesis.
Go to the LessonLesson Plans
A Closer Look – Photosynthesis
Learning Objectives
- Understand that plants make their own food through the process of photosynthesis.
- Identify the role of leaves in absorbing sunlight and carbon dioxide for photosynthesis.
- Explain how water is transported from the roots to the leaves in plants.
- Recognize that glucose is the food produced during photosynthesis and provides energy for the plant.
- Describe how oxygen is produced as a byproduct of photosynthesis and its importance for animals and humans.
Introduction and Hook
Show the video 'What is Photosynthesis?' to provide a visual introduction to the process of photosynthesis, explaining how plants use sunlight, carbon dioxide, and water to produce glucose and oxygen.
Direct Instruction
Explain the process of photosynthesis, emphasizing the roles of sunlight, carbon dioxide, and water in producing glucose and oxygen.
Discuss the function of leaves in absorbing sunlight and carbon dioxide, highlighting the importance of chlorophyll and chloroplasts.
Guided Exploration
Watch the video 'Misconceptions in Science – Plants, Soil and Photosynthesis' to address common misconceptions about plant growth and the role of photosynthesis.
Conduct a guided discussion on how water is transported from the roots to the leaves, using the xylem as a key component.
Hands-On Activity
Engage students in a hands-on activity where they observe and record the effects of sunlight on plant leaves, using simple materials like potted plants and a light source.
Use the assessment 'What Do Plants Need to Survive?' to explore the essential requirements for plant growth, reinforcing the concepts of photosynthesis.
Independent Practice
Assign students to draw and label a diagram of a plant, indicating where photosynthesis occurs and the role of each part in the process.
Provide the assessment 'Plant Parts and Functions' to reinforce understanding of plant anatomy and the specific roles of roots, stems, and leaves.
Check for Understanding
Conduct a quick quiz to assess students' understanding of photosynthesis, focusing on key concepts like the role of sunlight, water, and carbon dioxide.
Try the QuizReview and Reflection
Facilitate a class discussion to review the main points of photosynthesis and its importance for plant growth and oxygen production.
Encourage students to reflect on what they learned by writing a short paragraph about the significance of photosynthesis for life on Earth.
Assessment and Extension
Use the assessment 'Photosynthesis – Comprehension' to evaluate students' grasp of the photosynthesis process and related vocabulary.
Introduce an extension activity where students research how photosynthesis varies in different environments, such as deserts or aquatic habitats.
