19.In 2015, The PAGASA change the typhoon warning signals into ____.
a. 5 typhoon signals b. 4 typhoon signals c. 3 typhoon signals d. 2 typhoon signals
20. Which of these situation shows storm signal #1?
a. Classes in preschool in all public and private schools in affected communities are automatically suspended.
b. Classes in preschool, elementary and high school in all public and private schools in affected areas are automatically suspended.
c. Classes in all levels are automatically suspended in affected communities.
d. No suspension of classes in all level is needed.
21. You see dark clouds in the sky. You are going to school. Which should you do?
a. Bring extra cloths c. wait for the rain to fall
b. Bring umbrella or a raincoat d. Do not come to school anymore.
22. The air temperature drops to 30°C. What should you wear?
a. thick cloths b. thin cloths c. new cloths d. old cloths
23. You are sweeping the dried leaves in the backyard. You have noticed that the wind is blowing hard. Will you burn the dried leaves? Why or why not?
a. I will burn the dried leaves so that the backyard will be clean.
b. I will not burn the leaves because it may cause a big fire.
c. None of these
24. Which gives us enough heat and light in order to live?
a. sun b. hydro power plant c. electricity d. generator
25. What is the effect of the sun’s heat and light to the environment?
a. It causes the changes in the temperature.
b. It helps the plants in making food.
c. It sustains the life of animals, plants and humans.
d. All of the above.
26. Why do farmers use their wide-brim hats when they are working in the farm?
a. To protect them from strong winds
b. To protect them from head injuries
c. To protect them from the intense heat and light of the sun
d. To protect their heads from insect bites
27. In which process do plants release water from their leaves?
a. Condensation b. Evaporation c. Precipitation d. Transpiration
28. When does evaporation take place?
a. When water is cooled b. When water is heated
c. When water is frozen d. When water is filtered.
29. At which time of the day can you have the shortest shadow?
a. 9:00 am b. 10:00 am c. 12:00 noon d. 2:00 pm
30. Why do we need to drink lots of water on very hot days?
a. To make our skin healthier c. To increase our body temperature
b. To replace the water loss from our body d. To make our digestive system healthy​