Question Paper
Class / Subject: Class 6 (CBSE) · Science
Chapter: Chapter 6 — Chapter 6: Materials Around Us
Time Allowed: 18 minutes
Max Marks: 9
1. The shine of a material is called its: [1]
(A) lustre
(B) hardness
(C) solubility
(D) density
2. A material that dissolves in water is called: [1]
(A) soluble
(B) insoluble
(C) lustrous
(D) dense
3. Iron sinks in water mainly because it is: [1]
(A) denser than water
(B) lighter than water
(C) soluble in water
(D) lustrous
4. Plastic is an example of a: [1]
(A) man-made material
(B) natural material
(C) biodegradable material
(D) living material
5. A material that breaks down naturally over time is called: [1]
(A) biodegradable
(B) synthetic
(C) lustrous
(D) soluble
6. Nylon is often preferred over natural silk for ropes because it is: [1]
(A) stronger and more elastic
(B) cheaper to make always
(C) biodegradable
(D) naturally occurring
7. Glass is used for windows mainly because it is: [1]
(A) transparent
(B) magnetic
(C) flexible
(D) a poor conductor
8. A cooking pot's handle is often made of plastic because plastic: [1]
(A) does not conduct heat well
(B) conducts heat very well
(C) is transparent
(D) is magnetic
9. Rubber is a good material for tyres mainly due to its: [1]
(A) flexibility and grip
(B) transparency
(C) magnetism
(D) high heat conductivity