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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 789 · 40 questions
TalentJR

Remember (Who and what for?): Telephone – Alexander Graham Bell, first aeroplane – the Wright brothers, printing press – Johannes Gutenberg, raised-dot writing – Louis Braille. Smallpox vaccine – Edward Jenner, penicillin – Alexander Fleming, stethoscope – René Laennec, electric battery – Alessandro Volta, X-rays – Wilhelm Röntgen. Uses: telephone – talk far away, thermometer – body temperature, compass – directions, telescope – faraway stars, microscope – tiny germs.

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  1. 1.🔧 Which invention helps us tell the time? (a) calculator (b) compass (c) clock (d) telephone
  2. 2.🔧 Which invention helps us see faraway stars? (a) telescope (b) clock (c) printing press (d) thermometer
  3. 3.What does a printing press help us do? (a) find directions (b) hear the heartbeat (c) print many books (d) talk to people far away
  4. 4.True or false: a thermometer helps us tell the time. (a) True (b) False
  5. 5.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) thermometer (c) stethoscope (d) clock
  6. 6.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Alexander Fleming (d) Edward Jenner
  7. 7.What did Alessandro Volta give us? (a) the electric battery (b) the telephone (c) X-rays (d) penicillin
  8. 8.True or false: a compass helps us talk to people far away. (a) False (b) True
  9. 9.What did Alexander Graham Bell give us? (a) penicillin (b) the electric battery (c) the telephone (d) the first aeroplane
  10. 10.What did Alexander Fleming give us? (a) the printing press (b) penicillin (c) X-rays (d) the electric battery
  11. 11.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  12. 12.What does a clock help us do? (a) see tiny germs (b) hear the heartbeat (c) tell the time (d) see faraway stars
  13. 13.True or false: the Wright brothers gave us the smallpox vaccine. (a) True (b) False
  14. 14.🔧 Which invention helps us see tiny germs? (a) microscope (b) compass (c) printing press (d) thermometer
  15. 15.🔧 Which invention helps us find directions? (a) telephone (b) stethoscope (c) compass (d) calculator
  16. 16.💡 Who gave us raised-dot writing? (a) René Laennec (b) Louis Braille (c) Alessandro Volta (d) Johannes Gutenberg
  17. 17.What did René Laennec give us? (a) the smallpox vaccine (b) the first aeroplane (c) the printing press (d) the stethoscope
  18. 18.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) the Wright brothers (c) Louis Braille (d) Alexander Fleming
  19. 19.True or false: Johannes Gutenberg gave us the telephone. (a) False (b) True
  20. 20.True or false: a microscope helps us see tiny germs. (a) True (b) False
  21. 21.💡 Who gave us the printing press? (a) Louis Braille (b) Johannes Gutenberg (c) Edward Jenner (d) the Wright brothers
  22. 22.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True
  23. 23.💡 Who gave us X-rays? (a) Edward Jenner (b) Louis Braille (c) the Wright brothers (d) Wilhelm Röntgen
  24. 24.What did Louis Braille give us? (a) the electric battery (b) the telephone (c) the first aeroplane (d) raised-dot writing
  25. 25.What does a telephone help us do? (a) see tiny germs (b) talk to people far away (c) see faraway stars (d) find directions
  26. 26.💡 Who gave us penicillin? (a) Edward Jenner (b) Alexander Fleming (c) Johannes Gutenberg (d) Louis Braille
  27. 27.What does a stethoscope help us do? (a) hear the heartbeat (b) measure body temperature (c) print many books (d) tell the time
  28. 28.What does a microscope help us do? (a) see tiny germs (b) do sums quickly (c) tell the time (d) hear the heartbeat
  29. 29.💡 Who gave us the electric battery? (a) the Wright brothers (b) Alessandro Volta (c) Louis Braille (d) Alexander Graham Bell
  30. 30.What did the Wright brothers give us? (a) raised-dot writing (b) the first aeroplane (c) the smallpox vaccine (d) X-rays
  31. 31.True or false: Edward Jenner gave us the printing press. (a) False (b) True
  32. 32.True or false: a telescope helps us do sums quickly. (a) False (b) True
  33. 33.🔧 Which invention helps us measure body temperature? (a) telephone (b) microscope (c) telescope (d) thermometer
  34. 34.True or false: Alexander Fleming gave us the electric battery. (a) True (b) False
  35. 35.True or false: a clock helps us tell the time. (a) True (b) False
  36. 36.True or false: Alexander Graham Bell gave us the stethoscope. (a) True (b) False
  37. 37.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  38. 38.What did Edward Jenner give us? (a) penicillin (b) the telephone (c) the electric battery (d) the smallpox vaccine
  39. 39.True or false: a printing press helps us measure body temperature. (a) True (b) False
  40. 40.What does a telescope help us do? (a) find directions (b) measure body temperature (c) see faraway stars (d) tell the time

Answer key

  1. clock
  2. telescope
  3. print many books
  4. False
  5. stethoscope
  6. Alexander Graham Bell
  7. the electric battery
  8. False
  9. the telephone
  10. penicillin
  11. True
  12. tell the time
  13. False
  14. microscope
  15. compass
  16. Louis Braille
  17. the stethoscope
  18. the Wright brothers
  19. False
  20. True
  21. Johannes Gutenberg
  22. False
  23. Wilhelm Röntgen
  24. raised-dot writing
  25. talk to people far away
  26. Alexander Fleming
  27. hear the heartbeat
  28. see tiny germs
  29. Alessandro Volta
  30. the first aeroplane
  31. False
  32. False
  33. thermometer
  34. False
  35. True
  36. False
  37. True
  38. the smallpox vaccine
  39. False
  40. see faraway stars

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