TOPIC: PARTS AND USES OF LEAVES
A: TEACHING AND LEARNING MATERIALS
- Different fresh leaves.
- Leaf chart.
- Pictures of leafy vegetables.
- Flashcards.
- Drawing books.
- Pencils.
B: REFERENCE MATERIALS
- Scheme of work.
- Recommended Agric Sciences textbook for Primary 2.
- Online educational resources.
C: PREVIOUS KNOWLEDGE
The pupils have learnt the main parts of a plant and can identify roots, stems, leaves, flowers and fruits.
D: PERFORMANCE OBJECTIVES
By the end of the lesson, pupils should be able to:
- Identify a leaf.
- Describe simple parts of a leaf.
- Compare leaves by shape and size.
- Mention leaves used as food.
- State other uses of leaves.
- Explain why leaves are important to plants.
E: CONTENT
Meaning of a Leaf
A leaf is a usually green part of a plant attached to the stem or branch. 🍃 Leaves come in different shapes and sizes.
Simple Parts of a Leaf
A simple leaf has:
- a broad flat part called the leaf blade
- a stalk that joins it to the stem
- lines called veins
Shapes and Sizes of Leaves
Leaves may be:
- big
- small
- long
- round
- broad
- narrow
Leaves Used as Food
Examples include:
- spinach
- waterleaf
- pumpkin leaves
- bitter leaf
🥬 Many leafy vegetables are eaten as food.
Other Uses of Leaves
Some leaves are used for:
- Medicine.
- Wrapping food.
- Feeding animals.
- Decoration.
Importance of Leaves to Plants
Leaves help plants to make food. They are very important for plant growth.
F: LESSON PRESENTATION
F1: Teachers’ Activities
- Displays different leaves.
- Guides pupils to compare their shapes and sizes.
- Points out simple parts of a leaf.
- Discusses leaves used as food.
- Explains other uses of leaves.
- Explains why leaves are important to plants.
F2: Pupils’ Activities
- Observe different leaves.
- Compare their shapes and sizes.
- Identify simple leaf parts.
- Mention edible leaves.
- State other uses of leaves.
- Explain why plants need leaves.
G: CONCLUSION
The teacher summarizes the simple parts, differences and uses of leaves and reminds pupils that leaves help plants make food.
H: EVALUATION GUIDE
Pupils should be able to answer the following questions:
- What is a leaf?
- Mention two simple parts of a leaf.
- Mention two ways leaves may differ.
- Mention three leaves used as food.
- State two other uses of leaves.
- Why are leaves important to plants?