Adolescence
The stage has a name.
The stage of development between childhood and adulthood. It usually begins around the age of ten and can continue up to nineteen.
📚 Chapter Learning Kit
Adolescence: A Stage of Growth and Change · Class 7 Science · Curiosity
English 5 topics 175 leveled MCQs 85 flashcards 5 games Free
Shared by a Veda teacher · Generated with Veda AI · Oct 2026
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Why they both noticed
Two cousins meet.
Venkatesh sees how tall Devyani has grown and that her voice has changed. She points out his thin moustache. Both are passing through the same stage.
Height
Not new, just faster.
Your body has grown taller since birth. What adolescence changes is the pace, because the increase in height becomes far more prominent now.
Internal changes
Adolescence is not only visible.
Alongside height, voice and skin, changes are happening inside the body that nobody can see from outside.
The parts involved in reproduction
What is maturing.
The main internal change is the gradual maturing of the various parts of the body involved in reproduction. It happens in boys and girls alike.
The menstrual cycle
An important change in girls.
A natural cycle that begins during adolescence and then repeats. In everyday speech it is usually called the period.
📖 Smart notes
What you'll study, topic by topic
1
Growing With Age: The Teenage Years
Between about ten and nineteen the body changes a great deal, and it changes at a different pace for every single person. Knowing what to expect makes the whole stage easier.
- Adolescence is the stage of development between childhood and adulthood.
- It usually begins around the age of ten and can continue up to nineteen.
- Height increases from birth, but the increase is most noticeable now.
~40 min · full explanation, examples & memory tricks in the app
2
The Changes You Cannot See
Not every change of adolescence shows on the outside. The body is also maturing internally, and in girls that includes the start of the menstrual cycle, a natural and healthy process.
- Some changes of adolescence happen internally and are not visible outside.
- One of them is the maturing of the parts of the body involved in reproduction.
- Both boys and girls go through these changes gradually as they grow up.
~40 min · full explanation, examples & memory tricks in the app
3
Emotional and Behavioural Changes
Feelings run stronger during adolescence than they did in childhood. Noticing how a feeling turns into an action is what lets you choose the action rather than just having it.
- Feelings tend to come harder in adolescence than they did in childhood was.
- Mood swings, strong emotions and increased sensitivity are all common.
- These emotions have probable effects on how an adolescent behaves.
~35 min · full explanation, examples & memory tricks in the app
4
Eating Well and Staying Clean
A body that is growing fast needs more from its food, and it needs looking after. Which nutrient does which job, and what good hygiene actually involves.
- Adolescence is a period of fast growth, so a nutritious diet is of the utmost importance.
- Proteins and carbohydrates are needed for growth and for playing hard, along with adequate fats, vitamins and minerals.
- Milk, millets, curd, cheese and paneer supply calcium for bone growth.
~45 min · full explanation, examples & memory tricks in the app
5
Moving, Mixing, Saying No, and Why It All Happens
Exercise, how you treat people online and off, and how to refuse something harmful. Then the answer to the question the whole chapter has been building to: why does any of this happen?
- Regular exercise keeps body and mind fit, builds stamina and boosts mood.
- Being polite and respectful helps create a favourable and safe environment.
- An adolescent may be drawn to the people around them and copy what they do.
~50 min · full explanation, examples & memory tricks in the app
❓ Leveled MCQ practice
Try the smart MCQs from this kit
175 questions laddered from warm-up to topper-level, each with an explanation. A taste:
A health poster describes a stage that starts at about ten years and may run on to nineteen. That stage lies between
Beginner
A infancy and early childhood
B birth and early infancy
C childhood and adulthood
D adulthood and old age
Show answer & explanation
childhood and adulthood
It is the stage that carries a child towards being an adult.
Adolescence usually begins at about the age of
Beginner
A ten years
B two years
C six years
D twenty years
Show answer & explanation
ten years
It generally starts around ten and can continue up to nineteen.
Up to what age can adolescence continue?
Beginner
A twelve years
B thirty years
C fifteen years
D nineteen years
Show answer & explanation
nineteen years
The usual span given is from about ten to nineteen.
A growth chart shows a child height rising steadily from birth and then climbing far faster from about ten years. Which statement is correct?
Intermediate
A It only begins to increase once adolescence has started
B It increases from birth but most noticeably now
C It stops increasing during adolescence
D It is unaffected by age
Show answer & explanation
It increases from birth but most noticeably now
Growth in height happens throughout childhood; adolescence makes it prominent.
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