Division of City SchoolsDistrict II M.S. GARCIA ELEMENTARY SCHOOL Cabanatuan City PRE-TEST IN SCIENCE 6 I. Directions: Read each questions or situations carefully. Then select the letter of the best answer. 1. It is formed when substances are combined. a. matter b. mixture c. solid d. liquid 2. The substance being dissolved is the _________. a. solute b. solvent c. colloid d. matter 3. A mixture in which particles can be distinguished is called ________. a. Solution c. homogeneous mixture b. Colloid d. heterogeneous mixture 4. The liquid components dry up when heated or exposed under the sun in this process of separating mixtures. a. evaporation b. decantation c. filtration d. sieving 5. This process involves separating solid particles from a liquid substance using a piece of cloth. a. decantation b. filtration c. evaporation d. using a magnet 6. This is the framework of the body. a. Bone b. joint c. muscle d. skeleton 7. These are muscles that can be controlled. a. Cardiac muscles c. voluntary muscles b. Smooth muscles d. involuntary muscles 8. This refers to a broken bone. a. Cramp b. sprain c. fracture d. dislocation 9. The opening where solid wastes are released out of the body. a. anus b. stomach c. liver d. small intestine 10. A cavity that contains the teeth and tongue. a. Liver b. esophagus c. stomach d. mouth 11. _________ is an inherited condition in which the blood fails to clot normally. a. anemia b. leukemia c. hemophilia d. asthma 12. _________ is a condition in which a blood vessel swells and its walls become thin. a. Asthma b. aneurysm c. hemorrhoids d. anemia 13. A muscular sac where urine is temporarily stored. a. Ureter b. kidney c. urethra d. urinary bladder 14. The process by which wastes generally leave your body. a. digestion b. excretion c. respiration d. perspiration 15. The ________ is the most highly specialized organ of the human body and is considered the processing center of the body. a. Heart b. mouth c. brain d. kidney 16. _______ is a condition that involves damage of the neurons. a. Epilepsy b. Amnesia c. Brain Tumor d. Poliomyelitis 17. Which animals are considered as arachnids? a. Crabs and shrimps c. butterflies and flies b. Spiders and scorpions d. millipedes and centipedes 18. Which characteristic do frogs have? a. They have feathers. c. They have hair in their bodies. b. They are covered with scales. d. A slimy skin covers their bodies. 19. Which of the following vertebrates are warm blooded? a. Fish and reptiles c. birds and mammals b. Amphibians and reptiles d. amphibians and mammals 20. What can you do to protect tropical rain forests? a. Plant more young trees. b. Destroy the breeding places of animals. c. Have a hobby of collecting wild flowers. d. Buy souvenir items made from endangered forest products. 21. Which statement below is not a reason why certain plants and animals live together in a particular ecosystem? a. Both plants and animals compete for food. b. Animals find the trees a good place to live in. c. Plants and animals depend on each other in order to survive. d. Both plants and animals are able to meet their needs in the habitat. 22. The __________ is the shallowest part of the reef. a. Reef surface b. oof-reef-floor c. Reef flat d. Reef lagoon 23. The ________ is a quiet water area enclosed by many coral reefs. a. Reef lagoon b. reef flat c. Reef surface d. Reef face 24. It is produced when you rub your hands together. a. lubricant b. motion c. friction d. force 25. It is a substance placed between two surfaces to reduce friction. a. motion b. force c. lubricant d. friction 26. If you throw a baseball up in the air at an angle, what will happen most likely? a. The ball will stop up in the air. b. The ball will fly up in the air. c. The ball will go up and then fall down. d. The ball will bounce back to your hand. 27. Your kite flies up in the air and then when the wind stops blowing, it goes down. Why? a. The wind pulls the kite down the ground. b. There is no air around so the kite goes down. c. The force of gravity flies the kite up and moves it down. d. Gravity pulls the kite down when the wind stops blowing. 28. What form of energy do plants give you when you eat them? a. heat b. light c. sound d. electrical 29. Which of the following activities shows a change from electrical to sound energy? a. ironing clothes c. lighting a candle b. roasting a chicken d. turning on a radio 30. What sequence of energy transformations takes place when you switch on a lamp? a. heat electrical light c. electrical heat light b. electrical light heat d. light heat electrical 31. Henry throws a ball against a fence. What form of energy does the ball produce when it strikes the fence? a. heat b. light c. sound d. electrical 32. A ______ is a straight bar that is used to push, pull and lift things. a. Lever b. pulley c. wheel and axle d. wedge 33. __________ is a trembling of the earth’s surface. a. Richter Scale b. Earthquake c. Intensity d. Magnitude 34. ________ is the amount of energy released at the focus or origin of the earthquake. a. Intensity b. Richter Scale c. Magnitude d. Seismograph 35. Who studies weather patterns? a. News caster b. meteorologists c. both a and b d. none of the above 36. You are going to the province for a short vacation. What condition may make you decide to postpone your trip? a. The sky is full of cirrus clouds. b. The sun shines very brightly in the sky. c. The sun is covered with thick nimbus clouds. d. None of the above II. Put a check mark (√) on the line if the statement is correct. Put a cross mark (X) if it is incorrect. _____ 37. Rotation is the movement of Earth around the sun. _____ 38. The whole Earth receives light from the sun all the time. _____ 39. The sun rises from the east and sets in the west. _____ 40. Only half of the Earth is lighted at any particular time. III. Write True on the line if the sentence is correct. Write False if it is not. _____ 41. Earth travels around the sun in an elliptical orbit. _____ 42. The point where Earth is farthest from the sun is called perihelion. _____ 43. Earth’s axis is tilted by 23.5 . _____ 44. One Earth year is approximately 365 days. _____ 45. The seasons in a certain place repeat when Earth repeats its revolution. IV. Identify the planet being described in each phrase. Write the answer on the line. ___________ 46. The “red planet”. ___________ 47. The only planet inhabited by humans. ___________ 48. The planet nearest to the sun. ___________ 49. Named after the Roman goddess of beauty. ___________ 50. It has an atmosphere that can sustain life. Prepared by: JASMIN V. RONIEL Teacher III