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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 935 · 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.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  2. 2.What does a microscope help us do? (a) see faraway stars (b) talk to people far away (c) see tiny germs (d) measure body temperature
  3. 3.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) René Laennec (c) Alexander Fleming (d) Alessandro Volta
  4. 4.True or false: a compass helps us tell the time. (a) False (b) True
  5. 5.What does a calculator help us do? (a) hear the heartbeat (b) do sums quickly (c) see faraway stars (d) print many books
  6. 6.True or false: Alexander Fleming gave us the electric battery. (a) True (b) False
  7. 7.What did Louis Braille give us? (a) raised-dot writing (b) the first aeroplane (c) the telephone (d) the stethoscope
  8. 8.True or false: a compass helps us see tiny germs. (a) False (b) True
  9. 9.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  10. 10.💡 Who gave us the printing press? (a) Alessandro Volta (b) Alexander Fleming (c) Johannes Gutenberg (d) Edward Jenner
  11. 11.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True
  12. 12.True or false: a stethoscope helps us see faraway stars. (a) False (b) True
  13. 13.What did René Laennec give us? (a) raised-dot writing (b) the printing press (c) the stethoscope (d) penicillin
  14. 14.What did Alessandro Volta give us? (a) the first aeroplane (b) raised-dot writing (c) the electric battery (d) the telephone
  15. 15.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  16. 16.What does a printing press help us do? (a) print many books (b) tell the time (c) measure body temperature (d) see faraway stars
  17. 17.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) the telephone (c) the electric battery (d) X-rays
  18. 18.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Louis Braille (c) Alessandro Volta (d) René Laennec
  19. 19.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) microscope (c) thermometer (d) calculator
  20. 20.True or false: a compass helps us find directions. (a) False (b) True
  21. 21.True or false: Alexander Graham Bell gave us the printing press. (a) True (b) False
  22. 22.What did the Wright brothers give us? (a) raised-dot writing (b) the smallpox vaccine (c) X-rays (d) the first aeroplane
  23. 23.True or false: a compass helps us do sums quickly. (a) False (b) True
  24. 24.🔧 Which invention helps us see tiny germs? (a) calculator (b) microscope (c) compass (d) telescope
  25. 25.True or false: a compass helps us measure body temperature. (a) False (b) True
  26. 26.💡 Who gave us the stethoscope? (a) René Laennec (b) Johannes Gutenberg (c) Alexander Graham Bell (d) the Wright brothers
  27. 27.What did Edward Jenner give us? (a) the stethoscope (b) the telephone (c) the smallpox vaccine (d) the first aeroplane
  28. 28.🔧 Which invention helps us do sums quickly? (a) thermometer (b) telephone (c) calculator (d) compass
  29. 29.True or false: a thermometer helps us find directions. (a) False (b) True
  30. 30.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) printing press (c) telephone (d) compass
  31. 31.True or false: a telescope helps us tell the time. (a) True (b) False
  32. 32.🔧 Which invention helps us see faraway stars? (a) thermometer (b) telescope (c) stethoscope (d) compass
  33. 33.True or false: a printing press helps us print many books. (a) False (b) True
  34. 34.💡 Who gave us X-rays? (a) Alexander Fleming (b) Edward Jenner (c) Wilhelm Röntgen (d) Alessandro Volta
  35. 35.🔧 Which invention helps us tell the time? (a) telephone (b) clock (c) printing press (d) microscope
  36. 36.What did Alexander Graham Bell give us? (a) the telephone (b) the electric battery (c) the stethoscope (d) raised-dot writing
  37. 37.What does a telescope help us do? (a) find directions (b) see faraway stars (c) hear the heartbeat (d) talk to people far away
  38. 38.True or false: René Laennec gave us the electric battery. (a) True (b) False
  39. 39.True or false: a thermometer helps us print many books. (a) False (b) True
  40. 40.True or false: Wilhelm Röntgen gave us the electric battery. (a) False (b) True

Answer key

  1. True
  2. see tiny germs
  3. Alessandro Volta
  4. False
  5. do sums quickly
  6. False
  7. raised-dot writing
  8. False
  9. True
  10. Johannes Gutenberg
  11. False
  12. False
  13. the stethoscope
  14. the electric battery
  15. True
  16. print many books
  17. X-rays
  18. Alexander Graham Bell
  19. thermometer
  20. True
  21. False
  22. the first aeroplane
  23. False
  24. microscope
  25. False
  26. René Laennec
  27. the smallpox vaccine
  28. calculator
  29. False
  30. telephone
  31. False
  32. telescope
  33. True
  34. Wilhelm Röntgen
  35. clock
  36. the telephone
  37. see faraway stars
  38. False
  39. False
  40. False

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