Adolescence: A Stage of Growth and Change
CBSE · Class 7 · Science
Summary of Adolescence: A Stage of Growth and Change for CBSE Class 7 Science. Key concepts, important points, and chapter overview.
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Overview
Adolescence is the stage of human life between childhood and adulthood. It generally begins around 10 years of age and lasts until about 19 years of age. During this period, the body grows rapidly and many physical, emotional, and behavioural changes take place. Some changes are visible, such as inc
Key Concepts
Adolescence is the stage of human
Adolescence is the stage of human life between childhood and adulthood. It usually starts around 10 years of age and continues until 19 years of age.
Puberty is the stage in
Puberty is the stage in which the body undergoes external and internal changes to develop into an adult capable of reproduction.
These are features that help distinguish
These are features that help distinguish boys and girls but are not directly involved in reproduction. Examples include change in voice, facial and ch
In girls
In girls, the menstrual cycle generally occurs every 28 to 30 days, though healthy cycles may range from 21 to 35 days. The blood discharge phase is c
Hormones are chemicals produced in
Hormones are chemicals produced in the body that control many changes during adolescence. They are released in response to signals from the brain and
Learning Objectives
- Understand adolescence as a stage between childhood and adulthood
- Identify the main physical changes seen during adolescence
- Differentiate between secondary sexual characteristics and reproductive changes
- Describe menstruation and basic menstrual hygiene
- Recognise emotional and behavioural changes during adolescence
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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