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ST. JOHN’S SR. SEC. SCHOOL, DAMOH, , , , Cla IT TERMINAL EXAM (2021-22), ed SUB: SCIENCE MM: 40 Marks, a ©: 10/03/2022, , e@ - 5, os Instructions:- All question, , ee eee PIME:1Hrs.45min. n, 1S ¢ compulsory to attempt. ‘, Fill in the blanks:, , , , , , , (6), ; A disease caused by land pollution, Bl A : isa sudden, very large ocean wave, ii A shadow is formed on the side _______to the source of light., 3 All planets revolve around the sun in fixed paths called_ sa, & The planet that takes about 12 years to orbitthesun, : gas does not support burning., * _ Define the following:- (6), 1. Environment, 2. Voleano, 3. Luminous objects, 4. Mantle, 5. Impurities, 6. Friction, TIL. Give 2-2 examples for each:- (1x5=5), 1. Opaque objects — eee, 2. Soluble Impurities a, 3. Class three lever _ =a, 4. Layer of earth, 5. Wheel and axle =, IV. Choose the correct option:- (4), 1.Which of these would you use to measure short lengths ?, a. Kilogram b. Kilometre, c. Centimetre d. Litre, 2. Which of these is an inclined plane wrapped around a nail?, a. Screw b. Wedge, c. Ramp d, Wheel and axle, 3. Which of these is a form of energy that a body possesses due to its movement?, a.. Potential energy b. Kinetic energy, c. Electrical energy d. Heat energy, 4, Germs in the water can be killed by which of these processes., a. Sedimentation and decantation b. filtration, , c. chlorination, , 5. The sun is made up of., a. Ice and water, c. Salt and sugar, , d. evaporation, , b. Rocks and stones, d. Hydrogen and helium, (1)