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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 517 · 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.What did Alexander Graham Bell give us? (a) raised-dot writing (b) the electric battery (c) the telephone (d) the stethoscope
  2. 2.True or false: a telephone helps us tell the time. (a) False (b) True
  3. 3.True or false: a microscope helps us tell the time. (a) False (b) True
  4. 4.True or false: Johannes Gutenberg gave us the stethoscope. (a) False (b) True
  5. 5.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  6. 6.True or false: Edward Jenner gave us the first aeroplane. (a) True (b) False
  7. 7.💡 Who gave us the smallpox vaccine? (a) René Laennec (b) Edward Jenner (c) Johannes Gutenberg (d) the Wright brothers
  8. 8.🔧 Which invention helps us talk to people far away? (a) calculator (b) microscope (c) stethoscope (d) telephone
  9. 9.True or false: Johannes Gutenberg gave us X-rays. (a) False (b) True
  10. 10.What does a clock help us do? (a) tell the time (b) see faraway stars (c) see tiny germs (d) hear the heartbeat
  11. 11.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  12. 12.True or false: a calculator helps us do sums quickly. (a) False (b) True
  13. 13.True or false: Wilhelm Röntgen gave us penicillin. (a) True (b) False
  14. 14.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Louis Braille (d) the Wright brothers
  15. 15.True or false: Alexander Fleming gave us the smallpox vaccine. (a) False (b) True
  16. 16.What does a printing press help us do? (a) tell the time (b) see faraway stars (c) see tiny germs (d) print many books
  17. 17.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) the Wright brothers (c) Johannes Gutenberg (d) Alessandro Volta
  18. 18.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) René Laennec (c) Wilhelm Röntgen (d) Alessandro Volta
  19. 19.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False
  20. 20.What does a microscope help us do? (a) see faraway stars (b) talk to people far away (c) see tiny germs (d) hear the heartbeat
  21. 21.💡 Who gave us X-rays? (a) the Wright brothers (b) Wilhelm Röntgen (c) Alexander Fleming (d) René Laennec
  22. 22.True or false: a printing press helps us see tiny germs. (a) True (b) False
  23. 23.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  24. 24.What did Johannes Gutenberg give us? (a) X-rays (b) the smallpox vaccine (c) the printing press (d) penicillin
  25. 25.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) X-rays (c) penicillin (d) the electric battery
  26. 26.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  27. 27.What did Louis Braille give us? (a) X-rays (b) the telephone (c) raised-dot writing (d) the electric battery
  28. 28.🔧 Which invention helps us find directions? (a) telephone (b) calculator (c) compass (d) clock
  29. 29.🔧 Which invention helps us do sums quickly? (a) clock (b) stethoscope (c) compass (d) calculator
  30. 30.True or false: a compass helps us see faraway stars. (a) True (b) False
  31. 31.What did Alexander Fleming give us? (a) penicillin (b) the printing press (c) the telephone (d) X-rays
  32. 32.💡 Who gave us the stethoscope? (a) the Wright brothers (b) Wilhelm Röntgen (c) René Laennec (d) Alessandro Volta
  33. 33.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  34. 34.💡 Who gave us the electric battery? (a) the Wright brothers (b) René Laennec (c) Alessandro Volta (d) Edward Jenner
  35. 35.What does a compass help us do? (a) talk to people far away (b) see tiny germs (c) see faraway stars (d) find directions
  36. 36.True or false: a telescope helps us hear the heartbeat. (a) True (b) False
  37. 37.What does a stethoscope help us do? (a) do sums quickly (b) hear the heartbeat (c) talk to people far away (d) print many books
  38. 38.What does a calculator help us do? (a) see tiny germs (b) do sums quickly (c) hear the heartbeat (d) see faraway stars
  39. 39.True or false: a microscope helps us see tiny germs. (a) False (b) True
  40. 40.True or false: Johannes Gutenberg gave us the first aeroplane. (a) False (b) True

Answer key

  1. the telephone
  2. False
  3. False
  4. False
  5. True
  6. False
  7. Edward Jenner
  8. telephone
  9. False
  10. tell the time
  11. False
  12. True
  13. False
  14. the Wright brothers
  15. False
  16. print many books
  17. Johannes Gutenberg
  18. Alexander Graham Bell
  19. False
  20. see tiny germs
  21. Wilhelm Röntgen
  22. False
  23. True
  24. the printing press
  25. X-rays
  26. True
  27. raised-dot writing
  28. compass
  29. calculator
  30. False
  31. penicillin
  32. René Laennec
  33. True
  34. Alessandro Volta
  35. find directions
  36. False
  37. hear the heartbeat
  38. do sums quickly
  39. True
  40. False

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