SCIENCE AND HEALTH: Test Questions Part 2

Direction: Read each sentence carefully and write the letter of the correct answer.

1. The speed of the earth’s revolution is __________.
a. 356 days b. 365 ¼ days c. 356 ¼ days d. 365 days

2. Which of the following best describes the velocity of a moving object?
a. 60 km/hour b. 60 km/seconds c. 60 km/hour going north d. none of the above

3. Which of the following is not necessary when you want to know the speed of the moving object?
a. the force applied to move the object c. the time it took the object to travel
b. the distance traveled by the object d. both a and b

4. What force an object follow a curved path where in a circular motion?
a. centripetal force c. centrifugal force
b. gravitational force ` d. unbalanced force

5. When can you say that the object is in motion?
a. when it has changed its position from a reference point
b. when it has changed its size and texture
c. when it has changed its size and color
d. when it has magnetized
6. What law of motion is illustrated when one rides in a moving vehicle then the driver steps on the brake pedal and the passengers tend to move forward?
a. law of Inertia c. law of Acceleration
b. Law of Momentum d. law of Interaction

7. When can you say that the object has moved?
a. when its distance from reference point has changed
b. when the direction of an object from reference point has changed
c. when it has changed its position in relation to a reference point
d. all of the above

8. Which of the following will prove that running water has force?
a. objects are destroyed by water c. objects are carried away by water
b. objects that sink in water d. none of the above

9. Where can you find friction?
a. over a smooth surface c. over a rough surface
b. over a soapy surface d. over a slippery surface

10. Which of these can change the direction of an object?
a. position b. distance c. reference point d. all of these

11. When do we exert the least force? When we use __________.
a. two wheels b. one wheel c. four wheels d. no wheels

12. How does gravity move things?
a. by pushing them upward c. by moving them left and right
b. by pulling them toward the ground d. by tossing them up and down

13. Which home appliances demonstrated centripetal force?
a. gas stove b. washing machine c. television set d. radio

14. Which of the following examples shows speed?
a. 10 km. b. 10 seconds c. 10 km/second d. 10 km/second-north

15. A truck traveled 240 km in 6 hours. What was its average speed?
a. 70 kph b. 60 kph c. 50 kph d. 40 kph

16. Which of the following can force do?
a. start motion b. change direction of motion c. stop motion d. all of these

17. A big truck and a jeepney are both traveling at a speed of 60 kph. Which would be easier to stop and why?
a. The jeepney, because it has only four wheels.
b. The truck, because it has more and bigger wheels.

c. The jeepney, because it has less mass.
d. The truck, because the gravity helps to stop

18. Why does a car travel faster when going down a mountain than when going up?
a. it is moving toward gravity c. it is moving against gravity
b. it is being pushed by the wind d. it is being pulled by the wind

19. An instrument used to measure or record tremors of an earthquake.
a. thermometer b. barometer c. seismograph d. hygrometer

20. Why is it easier to go down the stairs than to go up the stairs?
a. your body is heavy c. because of friction
b. your body is exerting more force d. because of force of gravity

21. Which is the best thing to do in case of an earthquake?
a. stay inside the building c. stay under a tree
b. stay in an open field or space d. run home as fast as you can

22. Which government agency monitors and issue warnings on volcanic eruptions?
a. PAGASA b. DENR c. BFM d. PHIVOLCS

23. A volcano that has erupted within recent history but may erupt again is said to be _____
a. active b. extinct c. in active d. quiet

24. The _______ scale measures the degree of shaking of the earth using the intensity.
a. Rossi-Forrel scale c. weighing
b. Richer Magnitude scale d. Modified and Mercalli

25. Which is true about volcanic eruption?
a. most of the gas that goes out to the volcano is carbon dioxide,
b. When heavy rain accompanies an eruption, a mudflow may occur.
c. magma is pushed from the earth’s interior to the surface because of a building of temperature in the mantle.
d. none of the above

26. Earthquakes has three qualification excluding ___________?
a. volcanic earthquakes c. gravitational earthquakes
b. landslips d. tectonic earthquakes

27. What do you call that whirling movement of the wind in the counter clockwise direction, sometimes at the rate of 300 miles per hour. It is the most dangerous of all the wind.
a. tsunami b. monsoon c. cyclone d. tornado

28. _______ does not belong to the group of high lands on earth.
a. mountain b. volcanoes c. plateaus d. valleys

29. Which of the following example shows speed?
a. 10 km b. 10 seconds c. 10 km/second d. 10 km/second north

30. Most earthquakes and volcanic eruptions occur in the ___________.
a. Pacific Ring of Fire c. North America Plate
b. Eurasean-Melanesian Belt d. Arctic

31. Why is the wind cold when the Philippines experiences Northeast monsoon from November to February?
a. because air rises
b. because winds come from a place where it is winter
c. because winds come from equator
d. because winds come from ocean

32. We experience different seasons in a year because ____________.
a. of the rotation of the earth
b. the earth revolves around the sun
c. of the different pressures in the atmospheres
d. it follows an orbit as it rotates

33. What causes seasons?
a. revolution of the sun c. revolution of the earth
b. revolution of the moon d. revolution of the clouds

34. To be safe during typhoon, one should ____________.
a. stay inside the house c. stand near the electric post
b. seek shelter under the tree d. run outside the house

35. How does unequal heating of land and water affect the air around us?
a. cloud formation c. air movement
b. good weather d. the air become humid

36. Which of the following weather condition could be observed without using weather instrument?
a. wind speed b. cloudiness c. temperature d. air pressure

37. During daytime the wind blows from _____________.
a. the sea to the land c. the land to the sea
b. the sea to the sea d. the land to the mountain

38. if you are lost in the middle of the ocean, the best thing to use to find your direction is the __________.
a. gun b. compass c. mirror d. binocular

39. The outermost layer of the earth.
a. core b. clouds c. crust d. mantle
40. What is the meaning of fair weather?
a. A few clouds are present but there will be no rain
b. These will be heavy rain and strong winds.
c. Clouds are present and may produce rain.
d. It will rain during the day.

41. The ocean the largest body of water on earth covers almost ______ of its surface.
a. 11% b. 17% c. 71% d. 77%

42. It is the hottest layer of the earth.
a. crust b. core c. mantle d. crustal plate

43. What can change the features of land?
a. rain b. thunder c. earthquake d. lightning

44. Which of the following best describes a landslide?
a. loose rocks falling over a mountain
b. giant waves in the ocean
c. some parts of the ground open up
d. both a and b

45. What is the effect of the southwest monsoon in the Philippines?
a. cold wind but little rain c. warm wind and dry season
b. warm wind and thunderstorms d. heavy rains and typhoons

46. When a tsunami occurs, which of the following places may be affected?
a. plateau b. valley c. mountain d. coastal area

47. What is the main cause of weather changes?
a. water cycle c. the earth’s ocean
b. the movement of air d. unequal heating of the earth’s surface

48. Which of the following natural phenomena takes the longest period of time?
a. weather b. climate c. monsoon d season

49. Why does the earth’s crust move?
a. The earth’s crust is divided into parts, which are separated by water.
b. The water part of the earth is bigger than the land part.
c. It lies on the liquid part of the mantle, which is always in motion.
d. It lies just above the earth’s core, which is very hot.

50. Why there is magma in the interior of the earth?
a. The interior of the earth is cool, so racks harden.
b. The interior of the earth is too hot, so rocks melt.
c. There are different kinds of rocks in the interior of the earth.
d. The presence of the earth melts the rocks.