Plant Fibres

Atul has four different fabrics. He pours one spoon of dye on each fabric. He then washes the fabrics with the same detergent. The table shows what he finds after the wash.

Which question can be answered through Atul's activity?

Rohan wants to find out which type of fabric best absorbs water. He soaks four different types of fabrics in water for $15$ minutes. He places each fabric on a sieve and allows the water to drain. He then measured the mass of the wet fabrics.

What extra information does Rohan need to find out which fabric best absorbs water?

The table shows two groups of objects made of different fabrics.

Which feature was used to group the fabrics?

Which fibre comes from an animal?

How do woollen clothes keep us warm in winters? Explain your answer.

Polymers occur in:

Name one textile industry using animal fibre and another using plant fibre.

Polyester is a _____ fibre.

An example of synthetic fibre is:

Handkerchiefs are made of wool.

Name three fabrics made of wool.

Do you think fibres are only used to make clothes?

Silk and wool are examples of natural fibres.

Explain the different types of fibres?

Identify the types of fibre:

Rayon, Nylon, Polyester, Acrylic

Write two main types of fibre.

Match the following to know the sources and uses of natural fibres. One is done for you.

State whether the following statement is true or false.

Give one example of man-made fibre.

What difference do you notice in the fabrics used for a shirt and an umbrella?