1. Classify the following fibers as natural or synthetic -
nylon, wool, cotton, silk, polyester, jute
Ans : Fibers that are obtained from nature, i.e., from plants and animals are called natural fibers and those made by humans by chemical methods are known as synthetic fibers. Wool and silk are obtained from animals and cotton and jute are obtained from plants. Hence, they are natural fibers. Nylon and polyester on the other hand are prepared artificially and are therefore synthetic fibers.
2. State whether the following statements are true or false -
i. Yarn is made from fiber. (True)
ii. Spinning is a process of making fibers. (False)
iii. Jute is an outer covering of coconut. (False)
iv. The process of removing seeds from cotton is called ginning. (True)
v. Weaving of yarn makes a piece of fabric. (True)
vi. Silk fiber is obtained from the stem of a plant. (False)
vii. Polyester is a natural fiber. (False)
3. Fill in the blanks-
a) Plant fibers are obtained from_________ and ________ .
b) Animals fibers are __________ and ___________ .
Ans : (a) fruits and stems. (b) silk and wool.
4. From which parts of the plant cotton and jute are obtained?
Ans : Cotton fibers are obtained from the fruit of cotton plants. The fruit of a cotton plant is known as cotton bolls. Jute fibers are obtained from the stem of jute plants.
5. Name two items that are made from coconut fiber.
Ans : Two items that are made from coconut fiber are: (A) Ropes (B) Baskets
Junior Science Topic - Fiber To Fabric. Chapter notes, video lectures, power point presentation and NCERT exercise solution. (Class VI, CBSE syllabus, chapter 03)
By - EduPorm India - The Educational Platform
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