The story of fire Worksheet-2
A. The decomposition of dead and decaying matter
B. Coal
C. Petroleum
A. Turn off the regulator of gas when not in use
B. We should not play with the fire
C. Lighter was used by the primitive man to produce heat
A. Gas cylinder
B. Volleyball
C. Toy
A. Primitive man use fire to get protection from wild animals
B. Primitive man use fire to get protection from cold
C. Primitive man use wood sticks to produce fire
A. Wood B. Coal C. Petrol
A. Weapons
B. Different sounds
C. Torch of fire
A. Heat energy B. Sound energy
C. Light energy D. Mechanical energy
E. Any of these
Answer Keys
(1)–C; (2)–C; (3)–A; (4)–C; (5)–C; (6)–C; (7)–(A, C)