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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 230 · 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.

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

Answer key

  1. False
  2. False
  3. talk to people far away
  4. False
  5. Johannes Gutenberg
  6. measure body temperature
  7. False
  8. Alexander Fleming
  9. True
  10. raised-dot writing
  11. False
  12. X-rays
  13. False
  14. thermometer
  15. do sums quickly
  16. printing press
  17. print many books
  18. stethoscope
  19. the smallpox vaccine
  20. False
  21. compass
  22. microscope
  23. clock
  24. False
  25. Alexander Graham Bell
  26. False
  27. False
  28. False
  29. False
  30. Alessandro Volta
  31. True
  32. the stethoscope
  33. the Wright brothers
  34. telescope
  35. hear the heartbeat
  36. René Laennec
  37. False
  38. calculator
  39. True
  40. False

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