Plants Around Us — Class 2 Environmental Science (Samacheer Kalvi)
TN State Board (Samacheer Kalvi) Class 2 Environmental Science, Chapter 3. Parts and uses of common plants.
1. About this chapter
This chapter covers Plants Around Us as part of the Class 2 Samacheer Kalvi Environmental Science curriculum. It deals with parts and uses of common plants and builds conceptual understanding essential for the TN School Term Exam.
By the end of this chapter, students will be able to:
- Label parts of a plant
- List everyday uses of different plants
2. Key concepts
- Concept 1: Label parts of a plant.
- Concept 2: List everyday uses of different plants.
3. Important terms and formulas
| Term / Formula | Description |
|---|---|
| Label parts of a… | Label parts of a plant |
| List everyday uses of… | List everyday uses of different plants |
4. Worked examples
Example 1. Applying a key concept from this chapter.
Solution: Identify the relevant principle → apply the formula or rule → state the answer with correct units.
Example 2. A typical exam-style question on plants around us.
Solution: Break the problem into steps, use the appropriate formula and verify the answer.
5. Common mistakes
- Mistake: Skipping units or forgetting to state them. Fix: Always write units alongside every quantity and answer.
- Mistake: Confusing similar terms or concepts in this chapter. Fix: Make a comparison table of the terms during revision.
6. Practice (exam-style)
- Define the main term or principle covered in Chapter 3.
- Give two real-life examples related to plants around us.
- Solve a short numerical or descriptive question from this chapter.
- State one important formula and explain each symbol.
7. Answer key (hints)
- Refer to section 2 (Key concepts) above for the definition.
- Examples should be drawn from daily experience and local context.
- Apply the formula from section 3, show all steps clearly.
- Formula with units — refer to the textbook glossary for symbol meanings.
8. Quick revision
- Class 2 Environmental Science — Chapter 3: Plants Around Us.
- Core idea: Parts and uses of common plants.
- Key outcomes: Label parts of a plant; List everyday uses of different plants.
- Always revise diagrams / tables from the Samacheer Kalvi textbook before the exam.
