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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 630 · 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) Wilhelm Röntgen (b) the Wright brothers (c) Alexander Fleming (d) Alexander Graham Bell
  2. 2.What did Alessandro Volta give us? (a) the telephone (b) the electric battery (c) the stethoscope (d) the printing press
  3. 3.True or false: a printing press helps us see faraway stars. (a) True (b) False
  4. 4.💡 Who gave us the smallpox vaccine? (a) René Laennec (b) Edward Jenner (c) Alessandro Volta (d) Wilhelm Röntgen
  5. 5.What did Alexander Fleming give us? (a) the telephone (b) the electric battery (c) raised-dot writing (d) penicillin
  6. 6.🔧 Which invention helps us find directions? (a) compass (b) calculator (c) thermometer (d) printing press
  7. 7.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) René Laennec (c) Edward Jenner (d) the Wright brothers
  8. 8.What does a clock help us do? (a) find directions (b) tell the time (c) hear the heartbeat (d) print many books
  9. 9.🔧 Which invention helps us do sums quickly? (a) calculator (b) compass (c) telephone (d) thermometer
  10. 10.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) thermometer (c) stethoscope (d) printing press
  11. 11.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Alessandro Volta (c) Louis Braille (d) Alexander Graham Bell
  12. 12.True or false: a thermometer helps us see tiny germs. (a) True (b) False
  13. 13.What did René Laennec give us? (a) raised-dot writing (b) the stethoscope (c) the telephone (d) the electric battery
  14. 14.True or false: a telephone helps us print many books. (a) True (b) False
  15. 15.🔧 Which invention helps us tell the time? (a) microscope (b) telephone (c) clock (d) thermometer
  16. 16.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Edward Jenner (c) Johannes Gutenberg (d) Wilhelm Röntgen
  17. 17.True or false: a microscope helps us talk to people far away. (a) False (b) True
  18. 18.What did Wilhelm Röntgen give us? (a) X-rays (b) the telephone (c) the first aeroplane (d) the stethoscope
  19. 19.True or false: Johannes Gutenberg gave us the electric battery. (a) False (b) True
  20. 20.True or false: a stethoscope helps us do sums quickly. (a) True (b) False
  21. 21.What did Edward Jenner give us? (a) raised-dot writing (b) the printing press (c) the smallpox vaccine (d) X-rays
  22. 22.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  23. 23.What did Alexander Graham Bell give us? (a) the printing press (b) the telephone (c) the electric battery (d) the stethoscope
  24. 24.True or false: a microscope helps us print many books. (a) False (b) True
  25. 25.What did Johannes Gutenberg give us? (a) the printing press (b) the stethoscope (c) the telephone (d) the first aeroplane
  26. 26.💡 Who gave us X-rays? (a) the Wright brothers (b) Wilhelm Röntgen (c) Louis Braille (d) Alexander Fleming
  27. 27.True or false: a compass helps us find directions. (a) True (b) False
  28. 28.True or false: Edward Jenner gave us the printing press. (a) False (b) True
  29. 29.🔧 Which invention helps us talk to people far away? (a) calculator (b) compass (c) clock (d) telephone
  30. 30.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  31. 31.What did the Wright brothers give us? (a) the printing press (b) the electric battery (c) the first aeroplane (d) X-rays
  32. 32.🔧 Which invention helps us print many books? (a) stethoscope (b) clock (c) telephone (d) printing press
  33. 33.💡 Who gave us the electric battery? (a) Edward Jenner (b) the Wright brothers (c) Alessandro Volta (d) Louis Braille
  34. 34.What does a microscope help us do? (a) talk to people far away (b) find directions (c) see tiny germs (d) see faraway stars
  35. 35.True or false: a printing press helps us hear the heartbeat. (a) False (b) True
  36. 36.True or false: Alexander Fleming gave us the stethoscope. (a) False (b) True
  37. 37.True or false: a telephone helps us do sums quickly. (a) False (b) True
  38. 38.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  39. 39.True or false: a calculator helps us do sums quickly. (a) False (b) True
  40. 40.What does a stethoscope help us do? (a) talk to people far away (b) hear the heartbeat (c) do sums quickly (d) print many books

Answer key

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

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