1) Which of the following activities involved in listening mode using observation? a) Assumming that it will be raining in the evening b) Listen and classify the different type of sounds c) Tasting the juice d) Stating the plants growth 2) Diagram 1 shows burning candle. The candle was burn after an hour. What is the another information related to the liming of this activity a) Shape of the candle b) Volume of the candle c) Brightness of the candle d) Height of the candle 3) What is the purpose of the controlling variables in an investigation a) To reduce the investigation cost b) To reduce the investigation time c) To find the right conclusion of the investigation d) To avoid injury during the investigation 4) Diagram 2 shows the clothes that Prabu dried. After 2 hour all the clothes were dried up. How long does it take to dry the same clothes on a cloudy day? a) 1 hour b) 30 minutes c) 4 hours d) 90 minutes 5) Diagram 3 shows a grasshopper used for an investigation. How do you classify/mention this grasshopper? a) Tools b) Specimens c) Variables d) Chemical 6) Selva investigate the strength of different magnets. What is the responding variable for this investigation? a) Size of the magnet b) The type of magnet c) The number of objects attracted d) The quantity of magnet 7) Diagram 4 shows an animal. Which of the following information is not a source of observation? a) Has tail b) Has four legs c) Giving Birth d) Has fur 8) What are the uses of this apparatus? a) To measure the solid object b) To measure the liquid c) To heat the solid object d) To heat the liquid 9) Diagram 5 shows a hot coffee. What would happen if some ice cubes were added in the cup. a) The coffee become heater b) The heat of the coffee will decrease faster c) The coffee will freeze d) The coffee will be more tasty 10) What is meant by defining operetionaly a) Measuring the weight b) Gathering information c) Predicting d) Describe defining by observation

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