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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 880 · 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) René Laennec (b) Edward Jenner (c) Alexander Fleming (d) Louis Braille
  2. 2.What does a clock help us do? (a) measure body temperature (b) find directions (c) see tiny germs (d) tell the time
  3. 3.🔧 Which invention helps us find directions? (a) compass (b) telephone (c) stethoscope (d) calculator
  4. 4.True or false: René Laennec gave us the telephone. (a) False (b) True
  5. 5.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  6. 6.🔧 Which invention helps us tell the time? (a) telescope (b) printing press (c) clock (d) compass
  7. 7.True or false: a stethoscope helps us find directions. (a) True (b) False
  8. 8.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  9. 9.True or false: Edward Jenner gave us the printing press. (a) True (b) False
  10. 10.🔧 Which invention helps us do sums quickly? (a) telescope (b) thermometer (c) calculator (d) microscope
  11. 11.🔧 Which invention helps us see faraway stars? (a) thermometer (b) calculator (c) telephone (d) telescope
  12. 12.True or false: Alessandro Volta gave us the telephone. (a) True (b) False
  13. 13.💡 Who gave us raised-dot writing? (a) Alessandro Volta (b) Louis Braille (c) Alexander Fleming (d) Alexander Graham Bell
  14. 14.True or false: a compass helps us see faraway stars. (a) False (b) True
  15. 15.💡 Who gave us the electric battery? (a) Edward Jenner (b) Alessandro Volta (c) the Wright brothers (d) René Laennec
  16. 16.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  17. 17.What did the Wright brothers give us? (a) the first aeroplane (b) the printing press (c) raised-dot writing (d) the smallpox vaccine
  18. 18.True or false: René Laennec gave us X-rays. (a) False (b) True
  19. 19.True or false: a clock helps us tell the time. (a) True (b) False
  20. 20.True or false: a printing press helps us see tiny germs. (a) True (b) False
  21. 21.True or false: Wilhelm Röntgen gave us the printing press. (a) False (b) True
  22. 22.True or false: Alexander Fleming gave us the printing press. (a) True (b) False
  23. 23.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) the first aeroplane (c) X-rays (d) the telephone
  24. 24.What does a telephone help us do? (a) hear the heartbeat (b) talk to people far away (c) measure body temperature (d) do sums quickly
  25. 25.True or false: a compass helps us hear the heartbeat. (a) False (b) True
  26. 26.💡 Who gave us the smallpox vaccine? (a) René Laennec (b) Wilhelm Röntgen (c) Edward Jenner (d) the Wright brothers
  27. 27.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) thermometer (c) microscope (d) stethoscope
  28. 28.What did Johannes Gutenberg give us? (a) the smallpox vaccine (b) penicillin (c) raised-dot writing (d) the printing press
  29. 29.True or false: Alexander Graham Bell gave us the electric battery. (a) True (b) False
  30. 30.True or false: a telescope helps us see faraway stars. (a) True (b) False
  31. 31.True or false: Alexander Fleming gave us raised-dot writing. (a) False (b) True
  32. 32.True or false: a calculator helps us tell the time. (a) False (b) True
  33. 33.🔧 Which invention helps us measure body temperature? (a) printing press (b) thermometer (c) compass (d) microscope
  34. 34.True or false: a printing press helps us talk to people far away. (a) True (b) False
  35. 35.True or false: René Laennec gave us the electric battery. (a) False (b) True
  36. 36.What does a calculator help us do? (a) see tiny germs (b) do sums quickly (c) see faraway stars (d) print many books
  37. 37.What does a thermometer help us do? (a) measure body temperature (b) tell the time (c) see faraway stars (d) hear the heartbeat
  38. 38.💡 Who gave us X-rays? (a) the Wright brothers (b) Wilhelm Röntgen (c) Edward Jenner (d) Alexander Fleming
  39. 39.💡 Who gave us the printing press? (a) René Laennec (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Alexander Fleming
  40. 40.💡 Who gave us the telephone? (a) the Wright brothers (b) Alexander Graham Bell (c) Louis Braille (d) Johannes Gutenberg

Answer key

  1. Alexander Fleming
  2. tell the time
  3. compass
  4. False
  5. False
  6. clock
  7. False
  8. False
  9. False
  10. calculator
  11. telescope
  12. False
  13. Louis Braille
  14. False
  15. Alessandro Volta
  16. True
  17. the first aeroplane
  18. False
  19. True
  20. False
  21. False
  22. False
  23. X-rays
  24. talk to people far away
  25. False
  26. Edward Jenner
  27. stethoscope
  28. the printing press
  29. False
  30. True
  31. False
  32. False
  33. thermometer
  34. False
  35. False
  36. do sums quickly
  37. measure body temperature
  38. Wilhelm Röntgen
  39. Johannes Gutenberg
  40. Alexander Graham Bell

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