Question Paper
Class / Subject: Class 9 (ICSE) · Physics
Chapter: Chapter 6 — Chapter 6: Heat and Energy
Time Allowed: 32 minutes
Max Marks: 16
1. Which direction does heat flow? [1]
(A) From hotter to colder objects
(B) From colder to hotter objects
(C) It doesn't flow
(D) Randomly in any direction
2. What is thermal equilibrium? [1]
(A) When objects reach the same temperature
(B) When one object is always hotter
(C) When heat stops existing
(D) When objects freeze instantly
3. What is specific heat capacity? [1]
(A) Heat energy needed to raise a substance's temperature
(B) The temperature of a substance
(C) The weight of a substance
(D) Nothing specific
4. Does specific heat capacity vary by material? [1]
(A) Yes
(B) No, it's the same for all materials
(C) Only for liquids
(D) Only for gases
5. What is thermal expansion? [1]
(A) Materials expanding when heated
(B) Materials shrinking when heated
(C) No change with temperature
(D) Only liquids expand
6. What happens to most materials when cooled? [1]
(A) They contract
(B) They expand
(C) They disappear
(D) Nothing happens
7. Why does metal feel colder than wood at the same temperature? [1]
(A) Metal conducts heat away from our hand faster
(B) Metal is actually colder
(C) Wood is actually warmer
(D) No specific reason
8. Why study heat and energy? [1]
(A) To explain thermal phenomena and everyday experiences
(B) No reason
(C) It's not useful
(D) Only for tests
9. Which direction does heat flow? [1]
(A) From hotter to colder objects
(B) From colder to hotter objects
(C) It doesn't flow
(D) Randomly in any direction
10. What is thermal equilibrium? [1]
(A) When objects reach the same temperature
(B) When one object is always hotter
(C) When heat stops existing
(D) When objects freeze instantly
11. What is specific heat capacity? [1]
(A) Heat energy needed to raise a substance's temperature
(B) The temperature of a substance
(C) The weight of a substance
(D) Nothing specific
12. Does specific heat capacity vary by material? [1]
(A) Yes
(B) No, it's the same for all materials
(C) Only for liquids
(D) Only for gases
13. What is thermal expansion? [1]
(A) Materials expanding when heated
(B) Materials shrinking when heated
(C) No change with temperature
(D) Only liquids expand
14. What happens to most materials when cooled? [1]
(A) They contract
(B) They expand
(C) They disappear
(D) Nothing happens
15. Why does metal feel colder than wood at the same temperature? [1]
(A) Metal conducts heat away from our hand faster
(B) Metal is actually colder
(C) Wood is actually warmer
(D) No specific reason
16. Why study heat and energy? [1]
(A) To explain thermal phenomena and everyday experiences
(B) No reason
(C) It's not useful
(D) Only for tests