Science & Technology Quiz (Class 4–6)

1. What do plants need to make their food?





2. Which part of the plant makes food?





3. Which gas do we breathe in to stay alive?





4. What do humans exhale?





5. What is the process of plants making food called?





6. How many planets are there in the solar system?





7. Which planet is closest to the Sun?





8. What is the name of our galaxy?





9. What organ pumps blood in our body?





10. Which organ helps us to breathe?





11. What is the boiling point of water?





12. What is the freezing point of water?





13. Which is the biggest planet in the solar system?





14. Which force pulls everything toward the Earth?





15. What do we call animals that eat only plants?





16. What do we call animals that eat only meat?





17. What do we call animals that eat both plants and meat?





18. Which planet is known as the Red Planet?





19. What is the natural satellite of the Earth?





20. Which is the hardest substance found in the human body?





21. Which sense organ helps us see?





22. Which organ helps us taste food?





23. What is the name of the largest bone in the human body?





24. What do bees collect from flowers?





25. Which vitamin is made in our skin when we get sunlight?





26. What gas do plants give out during the day?





27. What do we call the young one of a dog?





28. Which liquid metal is used in thermometers?





29. What do we call water in its solid state?





30. What is the main source of energy on Earth?





31. Which planet is known for its rings?





32. Which animal lays eggs and gives milk?





33. What causes day and night?





34. What causes the change in seasons?





35. What do you call a doctor who treats animals?





36. What is the main gas found in the air?





37. Which is the smallest bone in the human body?





38. How many teeth does a normal adult human have?





39. What does a thermometer measure?





40. What is the name of the science of classifying living things?





41. What device is used to type on a computer?





42. What device shows the output of a computer?





43. What is the brain of the computer called?





44. What is used to move the cursor on a computer screen?





45. What does “www” stand for?





46. What do we use to connect to the internet wirelessly?





47. What do we call the small images on the computer screen?





48. What is the full form of USB?





49. What is the use of a printer?





50. Which machine is used to take photographs?





51. What is a robot?





52. What is the full form of SMS?





53. What do we call the portable computer?





54. What helps a computer to store data permanently?





55. Which device is used to listen to sounds from the computer?





56. Which part of a computer stores data temporarily?





57. Which software is used to write letters on the computer?





58. Which software is used to make presentations?





59. Which device allows you to talk on a video call?





60. What do you call the screen that you touch to use?