Chapter 8: Clothes—How Things are Made Application Questions | Environmental Science - EVS Class 5 CBSE

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Chapter 8: Clothes—How Things are Made Application Questions | Environmental Science - EVS Class 5 CBSE | ByteNotes.in

Application Question

Medium difficulty • Concept in a practical situation

Medium

Question 1

Applied Concept

Rohan is trying to untwist a piece of string he found. What would he see if he keeps untwisting it?

Rohan would see that the string is made of several thinner strands of thread twisted together for strength.
If he untwists a single thread even further, he will find very thin, hair-like strands which are called fibres.
This connects to the textbook concept that fibres are the basic units used to make thread through the process of spinning.

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Application Question

Medium difficulty • Concept in a practical situation

Medium

Question 2

Applied Concept

Imagine a young baya weaver bird is building its first nest. Why might its nest look messy compared to its father's nest?

Weaving is a complex skill that requires practice to master the over-under pattern correctly and tightly.
Just as the textbook states, expert weaverbirds make fine nests while young ones make rough ones because they are still learning.
This shows that weaving is a craft that improves with experience, whether it is done by birds or by humans on a loom.

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Application Question

Easy difficulty • Concept in a practical situation

Easy

Question 3

Applied Concept

If you look at your cotton shirt through a magnifying glass, what kind of pattern would you expect to see?

You would see an amazing criss-cross pattern where threads go over and under each other in a grid.
This occurs because the shirt is made by weaving vertical and horizontal threads together on a loom to form cloth.
The textbook explains that this crossing of threads is exactly how a unified fabric is created from individual strands.

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Application Question

Medium difficulty • Concept in a practical situation

Medium

Question 4

Applied Concept

Why did many Indians start wearing khadi during the time of the British rule in India?

Indians wanted to show that they could be 'atmanirbhar' or self-sufficient by making their own clothes.
By using the charkha to spin their own cotton and weaving it into khadi, they rejected expensive foreign-made cloth.
This was a key part of the freedom struggle led by Gandhi ji to support local artisans and local resources.

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Application Question

Medium difficulty • Concept in a practical situation

Medium

Question 5

Applied Concept

What would happen to a woven grass mat if one of its vertical strands was pulled out completely?

The mat would start to lose its shape and the horizontal strands would become loose because they have nothing to grip.
Each thread in a weave is important because they work together to hold the entire structure in place firmly.
The textbook concept of weaving relies on the 'over and under' intersection of vertical and horizontal strands to create a unified object.

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Application Question

Easy difficulty • Concept in a practical situation

Easy

Question 6

Applied Concept

Meera's school bag is very strong and slightly stretchy. Is it more likely made of cotton or nylon?

The bag is more likely made of nylon, which is a man-made synthetic fibre known for being very strong and stretchy.
Natural fibres like cotton are usually softer and less stretchy, making them better for comfortable clothes than heavy-duty bags.
This connects to the textbook idea that we use both natural and synthetic fibres for different everyday items based on their properties.

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Application Question

Hard difficulty • Concept in a practical situation

Hard

Question 7

Applied Concept

A tailorbird is building a nest but cannot find any spider silk. What other material from the textbook could it use?

The tailorbird could use strong plant fibres as an alternative to spider silk for stitching its leaf nest.
It uses its beak like a needle to pull these natural threads through the holes it pokes along the edges of leaves.
This shows how nature provides different 'threads' that animals can use to build their homes just like humans do.

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Application Question

Medium difficulty • Concept in a practical situation

Medium

Question 8

Applied Concept

If you are traveling to the cold mountains of Ladakh, why would a Pashmina shawl be a good item to carry?

Pashmina is a special wool from Ladakh that is specifically designed by nature to keep Changthangi goats warm in freezing cold.
The textbook describes Pashmina as being very soft and warm, making it perfect for protecting humans from mountain chills.
It is hand-spun and woven by local experts, meaning it is a high-quality traditional fabric built for extreme weather.

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Application Question

Easy difficulty • Concept in a practical situation

Easy

Question 9

Applied Concept

What is the first thing you should do if you want to join two pieces of old cloth to make a table mat using a running stitch?

You must first thread a needle and tie a knot at one end of the thread so it doesn't slip through the fabric.
Then, you should place the two pieces of cloth flat and slightly overlap them so the stitch can hold both together.
The textbook activity for the running stitch explains that these steps are necessary before you start the up-and-down motion of the needle.

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Application Question

Hard difficulty • Concept in a practical situation

Hard

Question 10

Applied Concept

Why is putting silk moth cocoons in hot water a necessary step in making silk fabric?

The hot water helps to soften the cocoon so that the long silk thread can be pulled out without breaking.
This process allows humans to get a continuous strand of silk that can then be spun into thread for weaving.
According to the silk moth life cycle in the book, this is the main way we extract the fibre after the caterpillar has finished spinning.

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Chapter sections

Chapter 8: Clothes—How Things are Made | Application Questions

Rohan is trying to untwist a piece of string he found. What would he see if he keeps untwisting it?

Imagine a young baya weaver bird is building its first nest. Why might its nest look messy compared to its father's nest?

If you look at your cotton shirt through a magnifying glass, what kind of pattern would you expect to see?

Why did many Indians start wearing khadi during the time of the British rule in India?

What would happen to a woven grass mat if one of its vertical strands was pulled out completely?

Meera's school bag is very strong and slightly stretchy. Is it more likely made of cotton or nylon?

A tailorbird is building a nest but cannot find any spider silk. What other material from the textbook could it use?

If you are traveling to the cold mountains of Ladakh, why would a Pashmina shawl be a good item to carry?

What is the first thing you should do if you want to join two pieces of old cloth to make a table mat using a running stitch?

Why is putting silk moth cocoons in hot water a necessary step in making silk fabric?

Unlock all Application Questions