← Inventions and inventors lesson New set →

Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 363 · 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 telephone helps us talk to people far away. (a) False (b) True
  2. 2.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  3. 3.True or false: the Wright brothers gave us the smallpox vaccine. (a) False (b) True
  4. 4.What does a telephone help us do? (a) hear the heartbeat (b) see faraway stars (c) measure body temperature (d) talk to people far away
  5. 5.What did Louis Braille give us? (a) the printing press (b) penicillin (c) raised-dot writing (d) the stethoscope
  6. 6.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) Edward Jenner (c) Alexander Fleming (d) the Wright brothers
  7. 7.True or false: a microscope helps us see tiny germs. (a) True (b) False
  8. 8.🔧 Which invention helps us see tiny germs? (a) microscope (b) telephone (c) stethoscope (d) telescope
  9. 9.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) printing press (c) telephone (d) thermometer
  10. 10.What does a printing press help us do? (a) hear the heartbeat (b) print many books (c) tell the time (d) do sums quickly
  11. 11.What does a stethoscope help us do? (a) tell the time (b) do sums quickly (c) hear the heartbeat (d) find directions
  12. 12.What does a compass help us do? (a) find directions (b) talk to people far away (c) do sums quickly (d) measure body temperature
  13. 13.What did Alexander Fleming give us? (a) raised-dot writing (b) the electric battery (c) the telephone (d) penicillin
  14. 14.💡 Who gave us the telephone? (a) Alexander Fleming (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Louis Braille
  15. 15.💡 Who gave us penicillin? (a) Alexander Fleming (b) Alexander Graham Bell (c) Alessandro Volta (d) Wilhelm Röntgen
  16. 16.What did Alexander Graham Bell give us? (a) the printing press (b) the telephone (c) the stethoscope (d) raised-dot writing
  17. 17.What does a microscope help us do? (a) tell the time (b) talk to people far away (c) hear the heartbeat (d) see tiny germs
  18. 18.True or false: a calculator helps us do sums quickly. (a) True (b) False
  19. 19.What did Wilhelm Röntgen give us? (a) X-rays (b) raised-dot writing (c) the electric battery (d) the smallpox vaccine
  20. 20.True or false: a compass helps us find directions. (a) True (b) False
  21. 21.🔧 Which invention helps us print many books? (a) stethoscope (b) printing press (c) clock (d) telephone
  22. 22.True or false: a thermometer helps us tell the time. (a) True (b) False
  23. 23.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Alessandro Volta (c) Alexander Graham Bell (d) Wilhelm Röntgen
  24. 24.💡 Who gave us the stethoscope? (a) Alessandro Volta (b) Alexander Fleming (c) René Laennec (d) Edward Jenner
  25. 25.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  26. 26.True or false: a stethoscope helps us see faraway stars. (a) False (b) True
  27. 27.True or false: a telescope helps us do sums quickly. (a) False (b) True
  28. 28.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  29. 29.What did René Laennec give us? (a) penicillin (b) the printing press (c) the stethoscope (d) the smallpox vaccine
  30. 30.🔧 Which invention helps us tell the time? (a) printing press (b) calculator (c) clock (d) compass
  31. 31.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alexander Fleming (c) Louis Braille (d) Johannes Gutenberg
  32. 32.💡 Who gave us the printing press? (a) Edward Jenner (b) Alexander Graham Bell (c) Johannes Gutenberg (d) the Wright brothers
  33. 33.💡 Who gave us raised-dot writing? (a) René Laennec (b) Alexander Graham Bell (c) Louis Braille (d) Alexander Fleming
  34. 34.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Edward Jenner (d) the Wright brothers
  35. 35.True or false: Johannes Gutenberg gave us the telephone. (a) True (b) False
  36. 36.🔧 Which invention helps us find directions? (a) thermometer (b) printing press (c) telephone (d) compass
  37. 37.True or false: the Wright brothers gave us the telephone. (a) True (b) False
  38. 38.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) False (b) True
  39. 39.True or false: a printing press helps us measure body temperature. (a) False (b) True
  40. 40.True or false: Louis Braille gave us penicillin. (a) True (b) False

Answer key

  1. True
  2. True
  3. False
  4. talk to people far away
  5. raised-dot writing
  6. the Wright brothers
  7. True
  8. microscope
  9. stethoscope
  10. print many books
  11. hear the heartbeat
  12. find directions
  13. penicillin
  14. Alexander Graham Bell
  15. Alexander Fleming
  16. the telephone
  17. see tiny germs
  18. True
  19. X-rays
  20. True
  21. printing press
  22. False
  23. Wilhelm Röntgen
  24. René Laennec
  25. True
  26. False
  27. False
  28. True
  29. the stethoscope
  30. clock
  31. Edward Jenner
  32. Johannes Gutenberg
  33. Louis Braille
  34. Alessandro Volta
  35. False
  36. compass
  37. False
  38. False
  39. False
  40. False

Free gk lessons, practice and worksheets at talentjr.in/gk-worksheets