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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 189 · 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 the telephone? (a) Alexander Graham Bell (b) René Laennec (c) Wilhelm Röntgen (d) the Wright brothers
  2. 2.True or false: a microscope helps us hear the heartbeat. (a) False (b) True
  3. 3.What did Louis Braille give us? (a) the smallpox vaccine (b) raised-dot writing (c) the first aeroplane (d) the printing press
  4. 4.💡 Who gave us the printing press? (a) Louis Braille (b) Edward Jenner (c) Johannes Gutenberg (d) Wilhelm Röntgen
  5. 5.What did Johannes Gutenberg give us? (a) the stethoscope (b) the printing press (c) X-rays (d) the electric battery
  6. 6.What does a thermometer help us do? (a) print many books (b) tell the time (c) see tiny germs (d) measure body temperature
  7. 7.What did Alexander Fleming give us? (a) the stethoscope (b) penicillin (c) the first aeroplane (d) the printing press
  8. 8.True or false: Johannes Gutenberg gave us penicillin. (a) True (b) False
  9. 9.What does a telephone help us do? (a) see faraway stars (b) print many books (c) talk to people far away (d) see tiny germs
  10. 10.What does a calculator help us do? (a) see faraway stars (b) hear the heartbeat (c) measure body temperature (d) do sums quickly
  11. 11.True or false: a telescope helps us print many books. (a) False (b) True
  12. 12.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) X-rays (c) raised-dot writing (d) penicillin
  13. 13.What does a stethoscope help us do? (a) tell the time (b) see faraway stars (c) do sums quickly (d) hear the heartbeat
  14. 14.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) stethoscope (c) calculator (d) telescope
  15. 15.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) compass (c) microscope (d) thermometer
  16. 16.True or false: a calculator helps us do sums quickly. (a) False (b) True
  17. 17.💡 Who gave us the smallpox vaccine? (a) René Laennec (b) Wilhelm Röntgen (c) Edward Jenner (d) Alexander Graham Bell
  18. 18.True or false: a thermometer helps us do sums quickly. (a) True (b) False
  19. 19.True or false: a telescope helps us see faraway stars. (a) True (b) False
  20. 20.What did the Wright brothers give us? (a) the stethoscope (b) the telephone (c) penicillin (d) the first aeroplane
  21. 21.True or false: a printing press helps us do sums quickly. (a) True (b) False
  22. 22.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  23. 23.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the telephone (c) penicillin (d) the electric battery
  24. 24.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Alessandro Volta (c) the Wright brothers (d) Louis Braille
  25. 25.💡 Who gave us the electric battery? (a) Louis Braille (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Alessandro Volta
  26. 26.🔧 Which invention helps us find directions? (a) stethoscope (b) clock (c) microscope (d) compass
  27. 27.True or false: René Laennec gave us the printing press. (a) False (b) True
  28. 28.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  29. 29.What did Alessandro Volta give us? (a) X-rays (b) penicillin (c) the telephone (d) the electric battery
  30. 30.True or false: a telephone helps us print many books. (a) True (b) False
  31. 31.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) True (b) False
  32. 32.What does a telescope help us do? (a) find directions (b) print many books (c) see faraway stars (d) hear the heartbeat
  33. 33.💡 Who gave us penicillin? (a) Alessandro Volta (b) Edward Jenner (c) Louis Braille (d) Alexander Fleming
  34. 34.🔧 Which invention helps us see faraway stars? (a) clock (b) printing press (c) telescope (d) microscope
  35. 35.True or false: René Laennec gave us the smallpox vaccine. (a) False (b) True
  36. 36.True or false: Louis Braille gave us the stethoscope. (a) False (b) True
  37. 37.True or false: Alexander Fleming gave us the first aeroplane. (a) True (b) False
  38. 38.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  39. 39.True or false: Alexander Fleming gave us the smallpox vaccine. (a) False (b) True
  40. 40.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True

Answer key

  1. Alexander Graham Bell
  2. False
  3. raised-dot writing
  4. Johannes Gutenberg
  5. the printing press
  6. measure body temperature
  7. penicillin
  8. False
  9. talk to people far away
  10. do sums quickly
  11. False
  12. X-rays
  13. hear the heartbeat
  14. stethoscope
  15. microscope
  16. True
  17. Edward Jenner
  18. False
  19. True
  20. the first aeroplane
  21. False
  22. True
  23. the telephone
  24. Louis Braille
  25. Alessandro Volta
  26. compass
  27. False
  28. True
  29. the electric battery
  30. False
  31. False
  32. see faraway stars
  33. Alexander Fleming
  34. telescope
  35. False
  36. False
  37. False
  38. True
  39. False
  40. True

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