SCIENCE 4 PPT Q3 - Interactive Quiz - Heat, Light, Sound.pptx
- 2. HEAT
- 3. 1. What is the direction of heat transfer? a. from hot to cold b. from bottom to top c. from cold to hot d. from side to side
- 6. 2. How is heat transferred in solid materials? a. through convection b. through radiation c. through conduction d. through vacuum
- 9. 3. What happens to a liquid when heated? a. It remains the same. b. It increases in volume. c. It increases in temperature. d. It increases its water level.
- 12. 4. What may happen to a solid when it is continuously exposed to heat? a. It may become heavier. b. It may decrease in volume. c. It may expand. d. It may melt.
- 15. 5. When heat is transferred through gases it is called¡ a. convection b. radiation c. conduction d. roasting
- 18. LIGHT
- 19. 1. Light travels in a straight line when it passes through a single medium. TRUE FALSE
- 22. 2. The light that strikes a thick cardboard bends and find another way to pass through it. false TRUE FALSE
- 25. 3. Light rays could not be blocked and they could pass through all types of materials since they travel on a straight line. TRUE FALSE
- 28. 4. A laser is a narrow but powerful beam of light capable of travelling far distances on a straight line. TRUE FALSE
- 31. 5. Optical fibers are used in communication, medicine and industry. TRUE FALSE
- 34. SOUND
- 35. 1.When the sound travels through solids, the vibration of the particles occurs ______? a. fast b. slowly c. moderately d. irregularly
- 38. 2.How do sound travels through air? a. very fast b. very slowly c. in jumping motion d. fast in random manner
- 41. 3.In which medium can sound wave travel faster? a. solids b. liquids c. gases d. All of these
- 44. 4.What affects the speed of sound as it travels? a. Person receiving it b. The nature of material c. The origin of the sound d. Loudness of the sound
- 47. 5.Which of the following statements about sound is correct? a.Sound cannot travel through a solid b. Sound travel faster in air than in liquids c. Sound travel faster in solids than in air d. The travel of sound is not affected by the medium through which it travels.