Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Exercise 3: HIGHER ORDER THINKING SKILLS

Author:Dr. J M D'Souza & Dr. Kirti J D'Souza

Dr. J M D'Souza Science Solutions for Exercise - Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Exercise 3: HIGHER ORDER THINKING SKILLS

Attempt the free practice questions from Exercise 3: HIGHER ORDER THINKING SKILLS with hints and solutions to strengthen your understanding. EUREKA PLUS Revised Bringing Science to Life solutions are prepared by Experienced Embibe Experts.

Questions from Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Exercise 3: HIGHER ORDER THINKING SKILLS with Hints & Solutions

HARD
7th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 3 - Fibre to Fabric>HIGHER ORDER THINKING SKILLS>Q 1

Why are woollen carpets used in aircraft? 

MEDIUM
7th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 3 - Fibre to Fabric>HIGHER ORDER THINKING SKILLS>Q 2

Why is it not advisable to wear nylon clothes while cooking? 

HARD
7th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 3 - Fibre to Fabric>HIGHER ORDER THINKING SKILLS>Q 1

Tina bought a fabric. On burning its fibre, it did not melt, but a powdery residue was obtained. From this information, which of the conclusions given below are correct? 
1. The fabric is of natural fibre only. 

2. The fabric is a blend of wool and silk. 

3. The fabric is not a blend of silk and nylon. 

4. A plant fibre could be present in the fabric. 

5. The fabric can be a blend of cotton and silk. 

6. The flame upon burning the fabric was sooty. 

7. When the fabric burnt it smelt like burning paper.