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Class 4 GK Worksheet: Inventions and Inventors

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

Answer key

  1. Alexander Fleming
  2. True
  3. do sums quickly
  4. the printing press
  5. see faraway stars
  6. True
  7. False
  8. True
  9. the smallpox vaccine
  10. see tiny germs
  11. Alessandro Volta
  12. hear the heartbeat
  13. telescope
  14. print many books
  15. the first aeroplane
  16. True
  17. False
  18. clock
  19. microscope
  20. Louis Braille
  21. thermometer
  22. penicillin
  23. the electric battery
  24. stethoscope
  25. False
  26. calculator
  27. talk to people far away
  28. False
  29. Edward Jenner
  30. find directions
  31. False
  32. False
  33. False
  34. the telephone
  35. True
  36. True
  37. True
  38. False
  39. compass
  40. True

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