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UNMASTERED SKILLSIN SCIENCE AND HEALTH 6

Skill: Explain how the respiratory system works

1. Which of the following is the correct path of air in the body?a. Nostrils, trachea, air sacs, pharynx, larynxb. Nostrils, larunx, trachea, nasal cavityc. Nostrils, mouth cavity, air sacs, pharynxd. Nostrils, pharynx, larynx, trachea, bronchial tubes, bronchioles, air sacs

2. The most important function of the respiratory system is to allow the entry of oxygen into the body and to distribute this to all cells. What system of our body does the respiratory system works hand in hand with?

a. Urinary system c. Circulatory systemb. Skeletal system d. Nervous system

3. Which of the following is not true about the respiratory system?a. The gas exchange occurs in the nasal cavity and nostrils.b. The air is filtered by tiny hair and warmed and moistened in the nasal cavity.c. Oxygen passes from the capillaries to the alveoli where most of it is exhaled.d. During inhalation, the chest contracts, and the diaphragm rises.

4. Breathing takes place when ____________________.a. The air enters through the nostrils and leads the air to the nasal cavity.b. Air pressure changes inside and outside the body and air moves from high pressure area

to low pressure area.c. The air travels from the larynx, trachea, and bronchioles and back to the larynx.d. When a person is having exercise and has a fast heartbeat.

5. What happens when we exhale?a. Our chest cavity contractsb. Our diaphragm moves upward.c. We sneeze out of our lungs.d. Air enters our lungs.

6. The opening of the nose through which the air enters is the ______________.a. cilia b. nostril c. trachea d. larynx

7. Small bags that are always filled with air, is called the ____________.a. lungs b. air sacs c. diaphragm d. oxygen

8. ______________ are the tiny hair that filters the air as it enters the nose.a. cilia b. nostril c. trachea d. larynx

9. Part of the respiratory system that are lined with fine hairs which further cleanse the air before reaching the rest of the breathing organs.

a. trachea b. air sacs c. nasal cavity d. oxygen10. The two pipes that lead to the two lungs are called the _______________.

a. capillaries b. oral cavity c. nasal cavity d. bronchial tubes11. Which of the following shows what happens to the chest cavity when air rushes into the lungs?

a. Decreases in volumeb. Deflatesc. Expandsd. Relaxes

12. Which of the following happens when you exhale?a. Your chest cavity expandsb. Your lungs become smallerc. Your chest cavity becomes smallerd. Your lungs take in and give off oxygen

13. As you breathe in and out, when do your lungs expand?

a. When air rushes outb. When air rushes inc. When your diaphragm expandsd. When your chest cavity relaxes

14. The parts that work together to help a person breathe is called the respiratory system. What is its main function?

a. It supplies blood with oxygen which in turn brings oxygen to the different parts of the body.

b. It distributes and collects waste materials from the cells.c. It keeps the normal composition of blood.d. It protects the human body from foreign bodies.

15. The _________ is responsible for the exchange of oxygen and carbon dioxide, supplies oxygen to the blood and gets rid of carbon dioxide and other waste gases.

a. Excretory systemb. Respiratory systemc. Reproductive systemd. Circulatory system

Skill: Identify major parts of the circulatory system and their functions

16. How does blood flow to the different parts of the body?a. It passes to the lungs, to the artery, to the vein, to the capillary and to the heart.b. It begins to the artery going to the veins then to the capillary then to the heart.c. It starts in the veins, going to the lungs, to the heart, to the artery, to the lungs and to

the heart.d. It goes first to the capillaries, then to the veins, to the arteries, to the lungs then to the

heart.17. If you squeeze bottled water, what does this activity represent?

e. The exchange of blood and cells.f. The movement of liquid material in the body.g. The pumping of the heart.h. Breathing.

18. There are four types of blood: type O, type A, type B, and type AB. Of these four types, type O is considered the universal donor. Why?

i. Because type O has both antibodies and antigens which neutralize each other’s effect.j. Because type O has no antibody that can destroy antigens of any blood type.k. Because type O has no antigen that can be destroyed by the antibodies of any blood

type.l. Because type O has no antibody or antigen which is safe to be given to any blood type.

19. There are three pathways where blood flows while the heart is pumping. These are the pulmonary circulation, systemic circulation, and coronary circulation. What is the movement of blood in systemic circulation?

m. The flow of blood from the heart to the lungs and back to the heart.n. The flow of blood from the heart to all parts of the body except the lungs.o. The flow of blood through the tissue of the heart.p. The flow of blood from the lungs to the tissues and back to the heart.

20. Among the three blood vessels, arteries are the one who has a thick layer. Why?q. They carry blood from the heart which flows rapidly.r. They are the biggest blood vessels.s. They have more supply of food.t. It is where blood comes out from the heart.

21. The heart, blood, blood vessels, and lymphatic system are the major parts of the circulatory system. Which is known as the river of life?

u. Heartv. Vesselsw. Bloodx. Lymphatic system

22. About how many new blood cells are produced in the human body every minute?y. 10 millionz. 100 millionaa. 1000 millionbb. 1 billion

23. Which of the following blood components provide a defense against “foreign” materials such as infectious agents, foreign bodies and abnormal proteins?

cc. Blood plasmadd. Red blood cellsee. White blood cellsff. Platelets

24. Which blood circulation is involved when blood coming from all tissues of the body except the lungs, enters the right auricle?

gg. Pulmonary circulationhh. Systemic circulationii. Both a & bjj. None of the above

25. All except one are cardiovascular diseases.kk. Hypertensionll. Heart failuremm. Coronary heart diseasenn. Leukemia

Skill: Classify vertebrates into: mammals, birds, reptiles, amphibians or fishes

26. Which of the following statements about goats and whales is correct?a. Goats and whales are both eaten by man.b. They can live both in land and water.c. Both of them are mammals.d. They are examples of invertebrates.

27. Which of the following is not an example of a vertebrate?e. Clams c. Orangutanf. Bat d. Mouse

28. Snakes, crocodiles and turtles are cold blooded animals. They belong to the group of _______________.

g. Reptiles c. Fishesh. Mammals d. Amphibians

29. Vertebrates are animals with internal bones or skeletons. Which of the following is not a vertebrate?

i. Monkey c. Fishj. Frog d. Starfish

30. Which of the following groups of animals belong to the group of reptiles?k. Lizards, snakes, turtlesl. Frogs, snakes, whales

m. Flies, crocodiles, centipedesn. Orangutan, rabbits, bats

31. A vertebrate that lives in water and take dissolved air and food from their surroundings.o. fish b. amphibian c. reptile d. bird

32. Animals that spend part of their life in water and part of their life in land.p. fishes b. amphibians c. reptiles d. birds

33. Cold blooded animals with dry scaly skin are called _________________.q. fishes b. amphibians c. reptiles d. birds

34. Which of the following is an amphibian?r. Dolphin b. Salamander c. Snake d. Turtle

35. The following are classified as mammal except for _______________.s. fruit bat b. whale c. heron d. cheetah

Skill: Identify energy forms and their uses

36. Our body is considered a machine. What energy is used when our body moves?a. Kinetic energy c. Mechanical energyb. Potential energy d. Chemical energy

37. At the center of the atom is a tiny nucleus composed of smaller sub-atomic particles. The sub-atomic particles are held together by a strong force. When the particles are forced to split, energy is released. What do we call this kind of energy?

c. Radiant energy c. Geothermal energyd. Nuclear energy d. Kinetic energy

38. The toy car has wheel and axles. This is a simple kind of machine. The energy produced from all kinds of machines set into motion is called _______________.

e. Mechanical energy c. Chemical energyf. Sound energy d. Radiant energy

39. Which of the following is not true about energy transformation?g. Energy is converted into more usable form.h. Heat energy is formed and released into the environment.i. All the original energy is transferred into usable form.j. None of the above.

40. What kind of energy is stored in the leaves of the plants in photosynthesis?k. Mechanical energy c. Chemical energyl. Heat energy d. All of the above

41. What energy transformation/s take/s place as the washer swing from one point to another?I. The potential energy increase as it leaves Position A.II. The kinetic energy increases as it leaves Position A and goes to Position B.III. The potential energy decreases as it leaves Position A.IV. The kinetic energy decreases as it leaves Position B and goes to Position C.

m. I c. IIn. II and III d. II, III and IV

42. What form of energy is present in all substances but it is released when chemical reaction takes place?

o. chemical c. mechanicalp. electrical d. radiant

43. A dry cell has ______________ in it which can be transformed into ________________.q. Chemical energy – mechanical energyr. Mechanical energy – electrical energy

s. Electrical energy – radiant energyt. Chemical energy – electrical energy

44. Riding on a bicycle, flying kites, and pushing a cart are examples of using what kind of energy?u. chemical c. electricalv. mechanical d. radiant

45. This energy is used to provide light, drive vehicles, and make the television work.w. electrical c. mechanicalx. radiant d. chemical

Identify the form of energy used to do the following:

__________46. Runs motors, generators and appliances.__________47. Source of heat for drying and cooking.__________48. Using dry cells for flashlights.__________49. Supplies power to spacecraft.__________50. Singing and playing guitar.

Skill: Describe characteristics of different kinds of plants

51. What special features do amorseco plants have which make them easily stick to clothes?a. They have strong hooks.b. They have offensive odor.c. They have hairy leaves.d. They have sharp thorns.

52. What do orchids, corn, palay, sugarcane and wheat have in common?a. They are examples of monocots.b. They are examples of dicots.c. They are grown in the fields.d. They are harvested every year.

53. The following are non-vascular plants except ________________.a. mosses c. fernsb. liverworts d. algae

54. Plants that do not have true roots, stems and leaves are called _________________.a. vascular plants c. monocotsb. nonvascular plants d. dicots

55. Plants with seeds that have two cotyledons such as santol, mango and beans are ____________.a. dicots c. nonvascular plantsb. monocots d. vascular plants

Skill: Present through a diagram the feeding interrelationships among living organisms.

Study the presented diagram then answer the questions that follow:

56. The following are producers except ___________.a. herbs b. trees c. mice d. all

57. Which of the following “etear-eaten” relationship is not true?b. Deer mountain pigc. Grasses miced. Lizard owle. Hawks owl

58. Which eater is at the top of the chain?f. deer b. snakes c. wild pig d. owl

59. Where do the feeding interrelationships starts?g. trees b. grass c. herbs d. all that is mentioned

60. Which is NOT true about the web?h. A rabbit is a herbivore.i. If herbs will be removed, lizards will not survive.j. If vegetables will be removed from the web, rabbits will still survive.k. If an organism is removed, it can cause harm in the community of organisms.

61. The picture shows a caterpillar eating a leaf. What animal may eat a caterpillar?

l. fish b. chicken c. lion d. earthworm62. Based on the diagram, which of the following statements is correct?

m. Plants use oxygen and carbon dioxide.n. Animals use oxygen and produce carbon dioxide.o. Plants and animals use oxygen and produce carbon dioxide.p. Plants and animals use carbon dioxide and produce oxygen.

63. Which of the following pairs of organisms show the relationship called parasitism?q. Big fish and squidr. Frogs and insectss. Fleas and dogst. Sharks and remoras

64. Which of the following exhibit the relationship called mutualism in which both organisms live and benefit from each other?

u. snake and frog c. ants and aphidsv. fungi and algae d. orchid and tree

65. Which of the following exhibit the relationship called Predator-Prey relationship?w. orchid and tree c. eagle and snakex. frog and ladybug d. aphids and ants

66. Which organism in the food chain below is considered a producer?

y. grasshopper c. fishz. plant d. eagle

67. Based from the illustration, what is the meaning of a food chain?

aa. It is an order of food relationship that starts from a consumer going to producer.bb. It is a collection of plants and animals.cc. It is an interrelationship of the living things and the physical environment.dd. It is the food interrelationship among organisms that show transfer of energy from

producer to consumer.68. Which part of the chain acts as the second order consumer?

ee. Caterpillar c. Snakeff. Rice plant d. Bird

69. Based from the illustration below, which of the following is not true?

gg. Man feed on shrimp and chicken.hh. Lizards feed on bird and shrimp.ii. Chickens feed on rice and lizard.jj. Birds feed on shrimp and rice.

70. Which of the following diagram of feeding organisms is correct?kk. Rice snake frog grasshopperll. Rice frog snake grasshopper hawkmm. Rice grasshopper frog snake hawknn. Snake rice frog grasshopper hawk

Skill: Describe the characteristics of the earth’s interior layer.

71. The fleshly part of the earth is the _________.a. crust b. mantle c. core d. plates

72. The skin of the earth is the _________.a. crust b. mantle c. core d. plates

73. The outer core of the earth is made up of ________.a. copper and iron c. aluminum and nickelb. iron and nickel d. solid materials

74. The solid part of the earth is called the _________.a. atmosphere c. hydrosphereb. lithosphere d. ionosphere

75. Which of the following statement is NOT true about the earth’s interior layer?a. The core is about 3,400 kilometers thick.b. Mantle’s temperature is reaching up to 3,700 ˚C c. Core’s temperature is as high as 5,000 ˚C d. Mantle, the fleshly part of the earth is about 3,000 kilometers thick.

76. Which layer is composed of the igneous rock called granite?a. mantle b. oceanic crust c. core d. continental crust

77. Which layer is made up of solid iron and nickel?a. crust b. mantle c. outer core d. inner core

78. Why is the earth like an avocado?a. Because of its use.b. Because of its color.c. Because of its shape.d. Because of its structure.

79. Which layer of the earth has man penetrated?a. crust b. mantle c. outer core d. inner core

80. Where is the lowest point on Earth’s crust?a. Philippine Deepb. Mid-Atlantic Ridgec. Marianas Trenchd. Mid-ocean ridge

81. It is cold and rigid, but underneath, the rocks are very hot and plastic so that they can gradually flow.

a. crust c. interiorb. mantle d. none of these

82. It is the second layer of the Earth’s interior that is made up of heavier silicate rocks containing iron and magnesium.

a. crust c. coreb. mantle d. none of these

83. The layer of rocks in the topmost part of the upper mantle are rigid, and forming what is called the ___________.

a. lithosphere c. asthenosphereb. mesosphere d. none of these

84. It is the main interior of the earth and made up of nickel and iron.a. mantle c. lithosphereb. core d. crust

85. Which of the following describes the mantle?a. The mantle contains hot and thick liquid rocks.

b. The mantle contains solid iron and nickel.c. The mantle contains soil and sand.d. The mantle contains cold plastic materials.