Chapter 9: Rhythms of Nature Application Questions | Environmental Science - EVS Class 5 CBSE

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Chapter 9: Rhythms of Nature Application Questions | Environmental Science - EVS Class 5 CBSE | ByteNotes.in

Application Question

Medium difficulty • Concept in a practical situation

Medium

Question 1

Applied Concept

Imagine you see a tree in your park that has no leaves at all. What season could it be, and why?

It is likely the winter or autumn season when some trees lose their leaves as part of their natural rhythm.
This is a repeating pattern where trees rest before growing new green leaves in the spring.
The textbook mentions that leaves fall off trees and grow again as a slow change in our surroundings.

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Application Question

Hard difficulty • Concept in a practical situation

Hard

Question 2

Applied Concept

If you are standing in India and it is 12 o'clock in the afternoon, why is it night in America?

This happens because the Earth is a sphere and it is constantly rotating on its axis.
When India is facing the Sun, the opposite side of the globe where America is located faces away.
Since the Sun stays in one place, only one half of the Earth can be lit at a time.

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Application Question

Easy difficulty • Concept in a practical situation

Easy

Question 3

Applied Concept

You notice your favorite summer shirt feels a bit tight this year. What kind of change is this?

This is a slow change in yourself called physical growth that happens as you move through grades.
Just like the friends Saba and Aparna, you grow taller and bigger every single year.
The textbook explains that changes are happening to us all the time, even if they take a long time to notice.

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Application Question

Medium difficulty • Concept in a practical situation

Medium

Question 4

Applied Concept

While on a picnic, you see many ants carrying white eggs up a small hill. What should you prepare for?

You should prepare for rain because this is a natural sign that a downpour is coming soon.
Animals like ants sense changes in the environment and move their eggs to higher ground to keep them safe.
The text mentions this as a specific rhythmic sign in nature that helps us predict the weather.

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Application Question

Hard difficulty • Concept in a practical situation

Hard

Question 5

Applied Concept

Your friend says the Sun travels from East to West every day. How would you correct them using science?

You would explain that the Sun actually stays in one place and does not move across the sky.
It only looks like it is moving because the Earth we are standing on is rotating around.
The text uses the example of a torch and a globe to show that it is the Earth that turns.

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Application Question

Medium difficulty • Concept in a practical situation

Medium

Question 6

Applied Concept

If you live in a coastal area of Kerala, how would your winter feel compared to a friend in Kashmir?

Your winter in Kerala would be much milder and warmer compared to the freezing winter of Kashmir.
While your friend might see snow and need heavy woolens, you might just feel a slight coolness.
This demonstrates the local diversity of India where the same season feels different in different regions.

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Application Question

Medium difficulty • Concept in a practical situation

Medium

Question 7

Applied Concept

A farmer is waiting for the rainy season to plant his paddy. Why doesn't he plant it in the summer?

Paddy is a crop that needs a lot of water to grow, which is most available during the monsoon rains.
Planting it in the dry summer heat would likely cause the crop to fail because there isn't enough water.
The text explains that farmers grow different crops in different seasons based on their specific needs.

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Application Question

Easy difficulty • Concept in a practical situation

Easy

Question 8

Applied Concept

You see many people flying kites and celebrating with new year greetings in April. Which season is it?

It is the Vasanta or Spring season, which is a time for flowers to bloom and new beginnings.
Festivals like Baisakhi or Rongali Bihu are celebrated during this time as harvest and new year festivals.
The textbook lists these specific festivals as part of the spring celebrations in India.

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Application Question

Hard difficulty • Concept in a practical situation

Hard

Question 9

Applied Concept

What would happen to our daily rhythm if the Earth stopped rotating?

The daily rhythm of day and night would stop, leaving one side of Earth in permanent light and the other in darkness.
We would no longer see the Sun 'rise' or 'set', as these are caused by our planet's turning movement.
The textbook emphasizes that it is the rotation of the Earth that creates the day and night cycle we know.

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Application Question

Easy difficulty • Concept in a practical situation

Easy

Question 10

Applied Concept

Why do we see a lot of blue when we look at a globe of the Earth?

The blue color represents the vast oceans and seas that cover most of our planet's surface.
According to the text, water covers about three-fourth of the Earth, which is why it looks so blue.
This model helps us understand that land is only a small part of our shared home.

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Chapter sections

Chapter 9: Rhythms of Nature | Application Questions

Imagine you see a tree in your park that has no leaves at all. What season could it be, and why?

If you are standing in India and it is 12 o'clock in the afternoon, why is it night in America?

You notice your favorite summer shirt feels a bit tight this year. What kind of change is this?

While on a picnic, you see many ants carrying white eggs up a small hill. What should you prepare for?

Your friend says the Sun travels from East to West every day. How would you correct them using science?

If you live in a coastal area of Kerala, how would your winter feel compared to a friend in Kashmir?

A farmer is waiting for the rainy season to plant his paddy. Why doesn't he plant it in the summer?

You see many people flying kites and celebrating with new year greetings in April. Which season is it?

What would happen to our daily rhythm if the Earth stopped rotating?

Why do we see a lot of blue when we look at a globe of the Earth?

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