Question Paper
Class / Subject: Class 3 (CBSE) · Environmental Studies
Chapter: Chapter 10 — Chapter 10: This World of Things
Time Allowed: 32 minutes
Max Marks: 16
1. What material is furniture often made from? [1]
(A) Wood
(B) Glass
(C) Cloth
(D) Water
2. What material is used for utensils? [1]
(A) Metal
(B) Cloth
(C) Paper
(D) Water
3. What property makes plastic useful for containers? [1]
(A) Lightweight and waterproof
(B) Heavy and breakable
(C) Edible
(D) Invisible
4. What is a property of glass? [1]
(A) Transparent but breakable
(B) Always unbreakable
(C) Never transparent
(D) Edible
5. What material is cloth known for? [1]
(A) Being soft and flexible
(B) Being extremely hard
(C) Being transparent
(D) Being metallic
6. Why do we choose different materials for different purposes? [1]
(A) Based on their properties and uses
(B) Randomly, with no reason
(C) Only based on colour
(D) Only based on price
7. Which material is commonly used for windows? [1]
(A) Glass
(B) Wood
(C) Cloth
(D) Metal
8. Why is understanding materials useful? [1]
(A) It helps us choose the right material for a purpose
(B) No reason
(C) Only for fun
(D) It's not useful
9. Which material is hard? [1]
(A) Stone
(B) Cotton
(C) Sponge
(D) Cloth
10. Which material is soft? [1]
(A) Cotton
(B) Stone
(C) Metal
(D) Glass
11. Which material floats on water? [1]
(A) Wood
(B) Stone
(C) Metal
(D) Iron
12. Which material sinks in water? [1]
(A) Stone
(B) Wood
(C) Plastic foam
(D) Cork
13. What does 'transparent' mean? [1]
(A) Letting light through completely
(B) Blocking all light
(C) Letting some light through
(D) Nothing
14. What does 'opaque' mean? [1]
(A) Blocking light completely
(B) Letting all light through
(C) Letting some light through
(D) Nothing
15. What does 'translucent' mean? [1]
(A) Letting some light through
(B) Blocking all light
(C) Letting all light through
(D) Nothing
16. Why do we test material properties? [1]
(A) To choose materials for specific purposes
(B) No reason
(C) Only for fun
(D) It's not useful