А What I have learned? D. ASSIMILATION Learning Task 4 Direction: Choose the best answer. 1. Which of the following statements about sound is CORRECT? A. Sound cannot travel through solids. B. Sound travels faster in air than in liquids. C. Sound travels faster in solids than in air. D. The travel of sound is not affected by the mediurn through which it travels. 2. What is the direction of heat transfer? A. From hot to cold. C. From cold to hot B. Bottom to top. D. side to side 3. Which is TRUE about the characteristics of sound? A Sound could either be soft or loud. B. The loudness of sound decreases as it moves nearer the observer. C. Sound is not heard when it is exactly on the same spot as the listener. D. The loudness of sound increases as it moves away from the observer 4. Why is it not advisable to stay in hot and noisy places? 1. Our sense of hearing may be affected. Our sense of sight may be damaged by the heat of the sun. III. It may cause different skin problems. A I & II B. II & III C. 1 & II D. I, II & 5. What may happen to a solid when it is continuously exposed to heat? A. It may become heavier, C. It may expand B. It may decrease in volume. D. It may melt 23​