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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 210 · 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) the Wright brothers (b) Alessandro Volta (c) Alexander Graham Bell (d) René Laennec
  2. 2.What did Wilhelm Röntgen give us? (a) X-rays (b) the stethoscope (c) penicillin (d) the electric battery
  3. 3.What did Alexander Fleming give us? (a) the telephone (b) the first aeroplane (c) the smallpox vaccine (d) penicillin
  4. 4.What did Alexander Graham Bell give us? (a) the telephone (b) raised-dot writing (c) the stethoscope (d) penicillin
  5. 5.True or false: a stethoscope helps us find directions. (a) True (b) False
  6. 6.True or false: a stethoscope helps us see tiny germs. (a) True (b) False
  7. 7.What did Alessandro Volta give us? (a) the telephone (b) the electric battery (c) X-rays (d) the first aeroplane
  8. 8.What did the Wright brothers give us? (a) the electric battery (b) the first aeroplane (c) the printing press (d) X-rays
  9. 9.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the printing press (c) penicillin (d) the smallpox vaccine
  10. 10.True or false: a microscope helps us find directions. (a) True (b) False
  11. 11.What does a clock help us do? (a) see tiny germs (b) measure body temperature (c) see faraway stars (d) tell the time
  12. 12.💡 Who gave us the first aeroplane? (a) Louis Braille (b) the Wright brothers (c) Alexander Graham Bell (d) Alessandro Volta
  13. 13.What does a stethoscope help us do? (a) hear the heartbeat (b) talk to people far away (c) see tiny germs (d) see faraway stars
  14. 14.🔧 Which invention helps us do sums quickly? (a) telephone (b) calculator (c) thermometer (d) printing press
  15. 15.True or false: a clock helps us measure body temperature. (a) True (b) False
  16. 16.What does a microscope help us do? (a) hear the heartbeat (b) see tiny germs (c) print many books (d) tell the time
  17. 17.True or false: a compass helps us measure body temperature. (a) True (b) False
  18. 18.What does a compass help us do? (a) see faraway stars (b) find directions (c) tell the time (d) hear the heartbeat
  19. 19.What does a thermometer help us do? (a) tell the time (b) hear the heartbeat (c) measure body temperature (d) print many books
  20. 20.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Louis Braille (c) Alessandro Volta (d) Johannes Gutenberg
  21. 21.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  22. 22.What did René Laennec give us? (a) the smallpox vaccine (b) the first aeroplane (c) the stethoscope (d) raised-dot writing
  23. 23.🔧 Which invention helps us tell the time? (a) microscope (b) clock (c) telescope (d) thermometer
  24. 24.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) True (b) False
  25. 25.What does a printing press help us do? (a) hear the heartbeat (b) see tiny germs (c) do sums quickly (d) print many books
  26. 26.🔧 Which invention helps us see faraway stars? (a) printing press (b) calculator (c) telescope (d) telephone
  27. 27.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) the Wright brothers (c) Louis Braille (d) Johannes Gutenberg
  28. 28.True or false: a microscope helps us see tiny germs. (a) True (b) False
  29. 29.True or false: Alessandro Volta gave us raised-dot writing. (a) False (b) True
  30. 30.🔧 Which invention helps us see tiny germs? (a) calculator (b) microscope (c) stethoscope (d) telephone
  31. 31.True or false: a calculator helps us do sums quickly. (a) True (b) False
  32. 32.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  33. 33.True or false: Alexander Graham Bell gave us the first aeroplane. (a) True (b) False
  34. 34.True or false: Alexander Graham Bell gave us X-rays. (a) True (b) False
  35. 35.What does a telephone help us do? (a) see tiny germs (b) find directions (c) hear the heartbeat (d) talk to people far away
  36. 36.True or false: a clock helps us tell the time. (a) True (b) False
  37. 37.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  38. 38.True or false: a microscope helps us tell the time. (a) False (b) True
  39. 39.🔧 Which invention helps us hear the heartbeat? (a) compass (b) stethoscope (c) thermometer (d) clock
  40. 40.True or false: a stethoscope helps us do sums quickly. (a) True (b) False

Answer key

  1. Alexander Graham Bell
  2. X-rays
  3. penicillin
  4. the telephone
  5. False
  6. False
  7. the electric battery
  8. the first aeroplane
  9. the printing press
  10. False
  11. tell the time
  12. the Wright brothers
  13. hear the heartbeat
  14. calculator
  15. False
  16. see tiny germs
  17. False
  18. find directions
  19. measure body temperature
  20. Alessandro Volta
  21. True
  22. the stethoscope
  23. clock
  24. False
  25. print many books
  26. telescope
  27. Johannes Gutenberg
  28. True
  29. False
  30. microscope
  31. True
  32. True
  33. False
  34. False
  35. talk to people far away
  36. True
  37. True
  38. False
  39. stethoscope
  40. False

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