DIRECTIONS: Choose the letter of the best answer. Shade the circle that corresponds to the letter of your choice. A B C D 1. Your mother asked you to separate palay from milled rice using your bare hands. How did you separate the components of mixture? A. by sieving C. by threshing B. by hand picking D. by winnowing A B C D 2. Physical manipulation is a technique used in separating the solid components of a heterogeneous mixture. Can you give other example of mixtures that can be separated by physical manipulation? A. mixed nut and seeds C. sand and pebbles B. flour and sugar D. palay and hull A B C D 3. Mang Kardo, a farmer , demonstrates proper way of winnowing. What happened to the palay and hull after winnowing? A. The palay grains fall down in a container while the hulls are blown by the wind. B. The palay grains and hull still remain in a container. C. The hulls fall down in a container while the palay grains are blown by the wind D. The palay grains and hulls are blown by the wind. A B C D 4. During wind days, farmers toss the grains in the air. This is done to remove the parts of palay that are inedible. What do you call to the separating mixture used by farmers? A treshing B. sifting C. sieving D. winnowing A B C D 5. Mrs. Luz Mendoza bought flour for her pancake but she observed that there are some big granules on it. Which of the following techniques of separation would be the most appropriate for her to separate the big granules from the smaller ones? A. hand picking B. sifting C. winnowing D. filtering A B C D 6. Mr. Marte Molino, GPTA president, will help in the Brigada Eskwela for the on-going school building construction. He will separate small stones from the sand. Which of the following technique will best help them do the job? A, sieving B. filtering C. decantation D. evaporation A B C D 7. Mrs. Haydelita Robles prepares healthy polvoron for school canteen. She found out that the flour to be used is mixed with mongo seeds. Which of the following is the most suitable method to separate the seeds from the flour? A.sifting B. filtration C. using a magnet D. decantation A B C D 8. Sand and gravel may be separated from each other using sieve. How would you describe sieving as separating mixture? Sieving is used to separate A. smaller and larger particles through our bare hands. B. larger particles and liquid mixture. C. smaller solid particles from larger solid particles D. smaller solid particles through the help of the wind. A B C D 9. Carmina wants to remove the needle on the rice that she will be cooking, Using her knowledge on the process of separating mixtures, what could she use to repel the needle from the rice? A. sifter B. filter paper C. winnower D. magnet A B C D 10. Joseph asks by his father to buy 1 kilo of nails that are used in making their nipa hut. Because Joseph wants to play, he became careless in handling the nails and it mixed on the sands. He used magnet to find the nails. Why did he use magnet? A. He can easily get the nails over the sand, B. He can use the magnet in his games C. He can give the magnet on his father as replacement of nails D. Magnet can also use as nails in making nipa hut​