11. Which of these will feel the biggest gravitational pull on earth? A a 1000 kg elephant Ca 100 kg boxer B a 100 g mouse D. a 10 kg bicycle 12. Why does a car travel faster in going down than in going up? A it is moving against gravity Cforce is needed to stop an object B. it is being pushed by the wind 13. Which statements show the presence of gravity? Dit is being pulled by the weight of the car I crumpled paper falling on the floor II dropped ball from a height m. flying hot air balloon IV using a magnet to separate iron filling from sand Al only BI & II C III & IV DI & II 14. What force pulls a guava down to the floor? A Energy B. gravity C. friction D Speed 15 A large fruit falls from a tree. What makes it move faster and faster as it approaches the ground? A Inertia C. Force of the wind B. Distance from the ground D. Force of gravity 16. Which of the following appliances show the transformation of electrical energy to sound energy? A. Electric guitar B radio C. sewing machine D. typewriter 17. Which of the following statements is NOT TRUE about the use of electrical energy? A It is used in cooking. C It allows us to do work beyond daytime B. It makes our evening bright. D. It is used to manufacture food by plants 18. What form of energy is produced when an electric fan is in use? A radiant B. electrical C. chemical D. mechanical 19 What kind of energy is stored in the battery? B. potential energy C. chemical energy D. mechanical energy 20. What energy do children get from eating mangoes and bananas? A. Light B. thermal C. chemical D mechanical 21.Mang Canor is drilling the concrete wall to put the curtain rod. What energy transformation is shown? A Potential electrical Sound B. Sound electrical potential C Heat mechanical electrical sound D. Electrical mechanical 22. What energy transformation is present in microwave oven? A electrical energy to mechanical energy B. electric energy to chemical energy C electric energy to nuclear energy D electrical energy to heat energy A kinetic energy 23. What energy transformation is shown when a candle is lighted? A light to chemical B. chemical to heat C. chemical to light D. light to heat 24. When do you say that energy transformation has taken place in an electric fan? A When it is plugged to the outlet and its blade has rotated B. When its blade rotated without plugging it to the outlet C. When the blade did not rotate after plugging it to the outlet D. When it is plugged to the outlet and the blades did not rotate. 25. Food that we eat has stored energy and this energy is used in doing our work every day. What energy transformation has taken place in this situation? A from radiant to chemical C. from chemical to radiant B. from chemical to mechanical D. from radiant to mechanical
