4th Periodical Test-test Questions (grade 6) 226p24

SCIENCE GRADE 6 Fourth Grading Periodical Test Name________________________________________ Grade/Section____________ School _______________________________________ Teacher _________________ Directions: Read the questions carefully and choose the letter of the best answer. 1. What kind of wind that blows over the Philippines during the months of June to September? A. B.

Southeast Monsoon Northeast Monsoon

C. Southwest Monsoon D. Northwest Monsoon

2. What characterizes the dry season in the Philippines? A. more southwest monsoons C. tropical cyclones B. least amount of rain during the year D. average amount of rainfall during the year 3. Our country is heated near the equator. During some months the earth’s axis is tilted towards the sun. What season do we experience? A. hot season B. rainy season C. winter season D. fall season 4. Which of the following does NOT affect the season in the Philippines? A. rotation and tilting of the earth’s axis B. the surrounding bodies of water C. the surrounding bodies of land D. the distance of our country from the sun 5. A kind of wind that gives us the coldest temperature of the year. A.Trade Winds B. Polar Easterlies

C. Northeast Monsoon D. Southwest Monsoon

6. How do you know that the rotation of the earth affects the wind movement? A. The wind from the north is deflected to the right. B. The wind from the south is deflected to the left. C. The winds from the poles do not move straight to the equator D. All the given answers. 7. Why does the Southwest Monsoon bring heavy rain? A. The air moves fast. B. The air is very humid.

C. The air pressure is high D. The air is warm and dry

8. The weather reporter says a cold front is coming. What does this mean? A. Rain is coming soon. B. Cold air mass is invading warmer air

C. Warm air mass is invading cooler air D. A northerly wind is carrying cold Wind.. 9. Why do winds deflect to the right in the northern hemisphere and to the left in the southern hemisphere? A. Earth’s rotation B. Earth’s revolution

C. Wind is a moving air D. Air moves from a high to low pressure area

1

10. Some of the climates below could be experienced in the Philippines. Which of the following pictures show the Philippine climate?

For item number 11 and 12 refer to the illustration below.

11. Based on the illustration above, country B is the warmest. What country is located in B? A. Japan

B. Australia

C. Philippines

D. New Zealand

12. How would you compare the climate of A, B, and C? A. B. C. D.

C is cooler than B and A because it receives more sunlight. A and B are cooler than C because both receive less sunlight. B is the warmest because it receives direct sunlight from the sum. A is the coolest among the three because it receives direct sunlight.

13. In what particular time of the year do farmers usually plant their crops? A. wet season season

B. dry season

C. winter season

D. summer

14. Philippines has two distinct seasons but other countries have four seasons. Which of the factors below explains the difference in seasons? A. Tilting of the Earth on its axis. B. Rotation of the Earth on its axis.

C. Location of the place on the Earth. D. Revolution of the Earth around the sun

15 . Which of the following shows bad effects of too much dry season? 2

A. tsunami

B. plants died

C. erosion

D. heat wave

16. All are factors that influence season. Which of the following brings much rain? lll Bodies of water lV Earth’s movement

l Location ll Seasonal winds

A. II, V B. II, III C. III, V D. IV, V 17. Why is there much rainfall in the Philippines? A large bodies of warm water B. many rainforests in the tropics C. temperature in the tropics is very low D. tropics received more heat, so more warm air rises and water vapor condenses 18. Why summer days are hot? A. Days are shorter during summer. B. Sun shines longer during winter. C. Rays of the sun are vertical or direct D. Rays of the sun are slanted during afternoon. 19. How do stars and planets differ from each other? I. Stars and planets are celestial bodies. II. Stars twinkle while planets do not. III. Stars are made of gases and all planets are solid. A. I only

B. II only

C. III only

D. I, II and III

20. Artificial satellites are launched in outer space in order to collect vital information about the Earth in space. Which is NOT a function of artificial satellite? A. Provide advance warning to severe weather and a great aid to weather forecasting. B. Enable human to live in space for long period of time while studying the outer space. C. Observe the sun, moon, other planets and their moons, comets, stars and galaxies. D. Carry radio and television signals over long distances without the need for cables or microwave relays. 21. Are statements I and II true? I. II.

A Hubble Space Telescope is a refracting telescope built as an observatory. An infrared telescope collects heat rays from objects in space.

A. I and II are true B.I is false, II is true

orbiting

C. l is true, ll is false D. l is false, ll is false

22.. Why are astronauts in lying position in the spaceship during take off and re-entry? A. So that they will have enough space in the spaceship. B. So that they will not bump against the ceiling of the spaceship. C. To balance the pressure of air outside and inside their body. D. So that they will not feel dizzy or become unconscious. 3

For items Nos. 23 – 24, refer to the graph below.

23. Which of these stars have the highest luminosity? A. Eridani, Polaris, Barnard’s star B. Rigel, Spica, Deneb, Beltegeuse C. Eridani, Procyon, Proxima Centauri D. Sirius, Pollux, Alpha Centauri, Polaris

23. How do Procyon and Spica differ from each other? A. Spica is hotter than Procyon. B. Procyon is hotter than Spica. C. Procyon has the higher luminosity than Spica. 24. Which color of the star has the lowest surface temperature? A. Red

B. Blue

C. White

D. Orange

D. Spica has the higher luminosity than Procyon. 25. What conclusion can you draw from the graph? I. II. III.

Stars vary from its sizes and temperature. The color of the star depends on its surface temperature. Stars with high surface temperature have the lowest luminosity.

A. I only

B. II only

C. I and II

D. I, II and III

26. Stars differ in brightness, stars’ brightness is its _____________. A. amplitude

B. temperature

C.apparent magnitude

For item 27- 29 refer to the table below STAR Sirius Sun Betelgeuse Capella

COLOR White Yellow Red Yellow

TEMPERATURE (⁰C) 10,500 ⁰C 6,000 ⁰C 3,000 ⁰C 6,000 ⁰C

4

D. latitude

27. Which of the statements below are true based from the table presented above? I. II. III. IV. A.

Red star is the hottest star. Yellow star is the coolest star. White star is the hottest star. Red star is the coolest star.

I and II B. II and III

C. I and III

D. III and IV

28. The hottest star is the youngest; the coolest star is the oldest. What is the color of the youngest star? A. red

B. white

C. yellow

D. yellow and white

29.Distance affects the apparent brightness of the stars. Do you agree with this idea? A. Yes, because it appears smaller when it is closer to earth. B. No, because it appears bigger than the other which is farther. C. Yes, because apparent brightness depends on their distance from the earth. D. No, because scientists believe that the stars were placed with the same distance from the earth. 30..The stargazing children noticed that stars are twinkling. Why is this so? It is because of the ________. A. rays of the sun B. darkness of the night

C. distance of stars from earth D. movement of air in the atmosphere

For item 31, study the constellations below.

I

II

III

IV

31.Which of the constellations above is a Big Dipper? A. I B. II C. III 32. How does Orion the Hunter differ from the Big Bear?

D. IV

A. Big Bear and Orion are all constellations. B. Big Bear has Polaris while Orion has Rigel. C. Big Bear is an animal while Orion is a man. D. Big Bear has few stars while Orion has many stars.

33. Which two statements below present the uses of constellations to people? I. Guide the navigators to the right direction. II. Locate countries of the world. III. Tell when it is good to plant. IV. Predict future happenings. A. I and II

B. I and III

C. II and III 5

D. III and IV

34. When do constellations become useful to farmers in planting their crops? It is used to _______________. A. tell seasons B. tell general direction C. locate stars and galaxies D. track satellites launched in outer space 35. Which group of people correctly matches with the benefits brought by constellations on their occupations? A. farmers – able to tell direction B. navigators – able to track satellites C. doctors – able to treat different diseases D. astronomers – able to locate stars and galaxies 36 Which describes the elliptical galaxy NGC 4486? A. B. C. D.

has a rectangular shape does not have distinct regular shape has a spherical shape and does not have any arms has a lens-shaped nucleus at its center with arms extending out

Refer to the picture of the different shape of the galaxies in the universe to answer item number 37.

Source : Google

I

II

III

IV

37.The Milky Way Galaxy is a spiral galaxy. Which picture describes the shape of this galaxy? A. I B. II C. III D. I 38. A certain galaxy was observed to have a nucleus of stars in its center where there were arms extending out. What kind of galaxy is this? A. spiral galaxy C. elliptical galaxy B. regular galaxy D. irregular galaxy 39 .Which modern space facilities where people can live and work in space for long period of time? A. space probe C. space shuttle B. space station D. artificial satellite Refer to the pictures of some space equipments to answer item number 40.

I II III IV 40.Which equipment collects radio waves from a heavenly body under study? 6

A. I B. II C. III D. IV 41. Which instrument is used to see distant objects appear nearer to the eyes? A. l B. ll C. lll D. lV 42. What is used by PAGASA to detect weather forecast for the next two days? A. rain gauge B. radar C. barometer D. radio telescope 43.It is a kind of scientific instrument used to determine the composition of stars. A. telescope C. spectroscope B. space probe D. radio telescope 44. Why would a person weigh more on earth than on the moon? a. The earth’s gravity is six times greater than the moon’s. b. The earth’s gravity is six times lesser than the moon’s. c. The moon has no substances. d. There is no air on the moon. Listed in the table below are the different theories about the origin of the universe. Refer to this table to answer item numbers 45 to46 I. Big Bang Theory II. Steady State Theory III. Big Crunch Theory IV. Dust Cloud or Nebular Theory 45.Which theory explains that all heavenly bodies came from dust of clouds? A. I B. II C. III D. IV 46.Which believes that the galaxies will continue moving away from each other? A. I B. II C. III D. IV 47.The following statements explain the Steady-State Theory EXCEPT A. B. C. D.

As old stars die, new stars are born. The universe was created in a giant explosion. The universe had a beginning and it will have no end. The galaxies continue to move farther from each other.

48. Why is the rocket engine, the only engine adapted for space travel? A. It can travel at great speed. B. It can withstand extreme temperature. C. It has double hulls for protection against impacts. D. It does not depend on the surrounding air for . 49. How can a spaceship escape the earth’s gravity and go into orbit? A It must have the orbital velocity. B It must have the escape velocity. C. It must have two or three stages. D. It must be manned. 50.. One starry night, students looked at the night sky and they was amazed of the countless stars that differ in brightness. What was his observation that made him conclude that way? a. Some stars are big, others are small. b. Some stars are red, others are white. c. Some stars shine brightly, others appear dimmer. d. Some stars are far, others are near.

7

 GOOD LUCK 

8