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Class 4 GK Worksheet: Inventions and Inventors

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

Answer key

  1. Wilhelm Röntgen
  2. thermometer
  3. False
  4. True
  5. calculator
  6. Alessandro Volta
  7. the smallpox vaccine
  8. True
  9. talk to people far away
  10. find directions
  11. True
  12. telescope
  13. Edward Jenner
  14. False
  15. False
  16. True
  17. False
  18. True
  19. False
  20. see tiny germs
  21. the first aeroplane
  22. compass
  23. print many books
  24. penicillin
  25. clock
  26. telephone
  27. False
  28. X-rays
  29. tell the time
  30. True
  31. True
  32. the telephone
  33. False
  34. René Laennec
  35. False
  36. True
  37. True
  38. False
  39. False
  40. do sums quickly

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