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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 666 · 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.True or false: a telephone helps us talk to people far away. (a) True (b) False
  2. 2.💡 Who gave us the smallpox vaccine? (a) Louis Braille (b) Edward Jenner (c) Alessandro Volta (d) Johannes Gutenberg
  3. 3.💡 Who gave us the stethoscope? (a) Edward Jenner (b) the Wright brothers (c) Johannes Gutenberg (d) René Laennec
  4. 4.💡 Who gave us X-rays? (a) Alessandro Volta (b) Louis Braille (c) Wilhelm Röntgen (d) René Laennec
  5. 5.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  6. 6.🔧 Which invention helps us find directions? (a) thermometer (b) stethoscope (c) compass (d) printing press
  7. 7.What does a clock help us do? (a) print many books (b) do sums quickly (c) measure body temperature (d) tell the time
  8. 8.True or false: a compass helps us hear the heartbeat. (a) False (b) True
  9. 9.What did Wilhelm Röntgen give us? (a) the telephone (b) X-rays (c) penicillin (d) the first aeroplane
  10. 10.True or false: a microscope helps us measure body temperature. (a) True (b) False
  11. 11.True or false: Alexander Graham Bell gave us raised-dot writing. (a) True (b) False
  12. 12.🔧 Which invention helps us print many books? (a) printing press (b) compass (c) telescope (d) microscope
  13. 13.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  14. 14.What does a calculator help us do? (a) do sums quickly (b) see tiny germs (c) tell the time (d) hear the heartbeat
  15. 15.🔧 Which invention helps us see faraway stars? (a) microscope (b) telescope (c) calculator (d) telephone
  16. 16.What did the Wright brothers give us? (a) the first aeroplane (b) penicillin (c) X-rays (d) the telephone
  17. 17.True or false: a compass helps us find directions. (a) True (b) False
  18. 18.What does a microscope help us do? (a) measure body temperature (b) find directions (c) do sums quickly (d) see tiny germs
  19. 19.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Alexander Fleming (d) Johannes Gutenberg
  20. 20.What did Alexander Fleming give us? (a) the printing press (b) penicillin (c) X-rays (d) the electric battery
  21. 21.True or false: a clock helps us hear the heartbeat. (a) True (b) False
  22. 22.🔧 Which invention helps us tell the time? (a) telescope (b) clock (c) stethoscope (d) calculator
  23. 23.🔧 Which invention helps us measure body temperature? (a) printing press (b) telephone (c) telescope (d) thermometer
  24. 24.What does a compass help us do? (a) print many books (b) see faraway stars (c) find directions (d) talk to people far away
  25. 25.What does a telephone help us do? (a) see tiny germs (b) see faraway stars (c) print many books (d) talk to people far away
  26. 26.True or false: a stethoscope helps us see faraway stars. (a) True (b) False
  27. 27.True or false: a clock helps us talk to people far away. (a) False (b) True
  28. 28.What did Johannes Gutenberg give us? (a) the first aeroplane (b) penicillin (c) the printing press (d) the telephone
  29. 29.True or false: a clock helps us tell the time. (a) False (b) True
  30. 30.💡 Who gave us the printing press? (a) Alessandro Volta (b) the Wright brothers (c) Alexander Fleming (d) Johannes Gutenberg
  31. 31.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) clock (c) calculator (d) telephone
  32. 32.True or false: René Laennec gave us the telephone. (a) True (b) False
  33. 33.True or false: a microscope helps us hear the heartbeat. (a) False (b) True
  34. 34.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alessandro Volta (c) Wilhelm Röntgen (d) Johannes Gutenberg
  35. 35.True or false: a telescope helps us see faraway stars. (a) False (b) True
  36. 36.What does a stethoscope help us do? (a) measure body temperature (b) see tiny germs (c) hear the heartbeat (d) print many books
  37. 37.💡 Who gave us penicillin? (a) Alessandro Volta (b) Alexander Fleming (c) Edward Jenner (d) Wilhelm Röntgen
  38. 38.True or false: Edward Jenner gave us the telephone. (a) False (b) True
  39. 39.What did Alessandro Volta give us? (a) the electric battery (b) X-rays (c) penicillin (d) raised-dot writing
  40. 40.What did Edward Jenner give us? (a) the smallpox vaccine (b) the printing press (c) raised-dot writing (d) the first aeroplane

Answer key

  1. True
  2. Edward Jenner
  3. René Laennec
  4. Wilhelm Röntgen
  5. True
  6. compass
  7. tell the time
  8. False
  9. X-rays
  10. False
  11. False
  12. printing press
  13. True
  14. do sums quickly
  15. telescope
  16. the first aeroplane
  17. True
  18. see tiny germs
  19. Alexander Graham Bell
  20. penicillin
  21. False
  22. clock
  23. thermometer
  24. find directions
  25. talk to people far away
  26. False
  27. False
  28. the printing press
  29. True
  30. Johannes Gutenberg
  31. telephone
  32. False
  33. False
  34. Louis Braille
  35. True
  36. hear the heartbeat
  37. Alexander Fleming
  38. False
  39. the electric battery
  40. the smallpox vaccine

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