Name:__________________________________ Section: _______________ Date: ___________ Earth and Life Science First Semester / Second Quarter Worksheet The Leaf and its Characteristics I. II. III. Objectives: At the end of the lesson, students are able to: - Identify the parts of the leaf; - Describe the characteristics of leaves that they have collected; - Explain to the class the parts and characteristics of the leaves assigned to them. Materials - Leaves, Ballpen, Adhesives (tape or glue), Scissors, Stapler, Worksheet and Extra sheet of paper NOTE: please provide extra sheets (2 short bond papers) Procedures 1. Prepare six different samples of medium size leaf. 2. Get one medium size leaf and paste the leaf on your short bond paper. 3. Identify the parts of the leaf by labelling it on your answer sheet. 4. Paste the remaining five leaves on another sheet and labeled it as sample 1-5. 5. Describe the leaves based on its characteristics such as structure, attachment, arrangement, shape. IV. Data and Results (kindly attach the extra sheets of your data at the back) SUMMARY TABLE Leaf Structure Attachment Arrangement Sample #1 Sample #2 Sample #3 Sample #4 Sample #5 Shape A. Questions 1. What are the similarities and differences of the leaves that you have collected? __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ 2. How does the size of leaves affect the process of photosynthesis? __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ 3. Do photosynthesis still process without the presence of leaves? Explain further. __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ B. Conclusion (Write your conclusions) GUIDE QUESTION: What have you observed/learned from this activity? __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________ __________________________________________________________________________________________________