Our Body and Health — Class 2 Environmental Science (Samacheer Kalvi)
TN State Board (Samacheer Kalvi) Class 2 Environmental Science, Chapter 1. Body care and healthy habits.
1. About this chapter
This chapter covers Our Body and Health as part of the Class 2 Samacheer Kalvi Environmental Science curriculum. It deals with body care and healthy habits and builds conceptual understanding essential for the TN School Term Exam.
By the end of this chapter, students will be able to:
- Name organs and their functions
- Practice good health habits
2. Key concepts
- Concept 1: Name organs and their functions.
- Concept 2: Practice good health habits.
3. Important terms and formulas
| Term / Formula | Description |
|---|---|
| Name organs and their… | Name organs and their functions |
| Practice good health habits… | Practice good health habits |
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 our body and health.
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 1.
- Give two real-life examples related to our body and health.
- 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 1: Our Body and Health.
- Core idea: Body care and healthy habits.
- Key outcomes: Name organs and their functions; Practice good health habits.
- Always revise diagrams / tables from the Samacheer Kalvi textbook before the exam.
