← Inventions and inventors lesson New set →

Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 70 · 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: Alexander Fleming gave us penicillin. (a) False (b) True
  2. 2.What does a printing press help us do? (a) print many books (b) measure body temperature (c) see tiny germs (d) talk to people far away
  3. 3.💡 Who gave us the first aeroplane? (a) René Laennec (b) Alexander Fleming (c) the Wright brothers (d) Johannes Gutenberg
  4. 4.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  5. 5.True or false: a telescope helps us do sums quickly. (a) True (b) False
  6. 6.What does a telephone help us do? (a) measure body temperature (b) see tiny germs (c) do sums quickly (d) talk to people far away
  7. 7.True or false: a telephone helps us talk to people far away. (a) False (b) True
  8. 8.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Alexander Graham Bell (c) the Wright brothers (d) René Laennec
  9. 9.What did Edward Jenner give us? (a) the telephone (b) raised-dot writing (c) the smallpox vaccine (d) X-rays
  10. 10.🔧 Which invention helps us do sums quickly? (a) calculator (b) telephone (c) microscope (d) printing press
  11. 11.🔧 Which invention helps us tell the time? (a) telephone (b) microscope (c) clock (d) stethoscope
  12. 12.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  13. 13.🔧 Which invention helps us measure body temperature? (a) calculator (b) telescope (c) stethoscope (d) thermometer
  14. 14.What did Alexander Graham Bell give us? (a) the first aeroplane (b) the smallpox vaccine (c) the stethoscope (d) the telephone
  15. 15.💡 Who gave us the printing press? (a) the Wright brothers (b) René Laennec (c) Alexander Graham Bell (d) Johannes Gutenberg
  16. 16.What does a thermometer help us do? (a) do sums quickly (b) measure body temperature (c) find directions (d) print many books
  17. 17.What does a compass help us do? (a) measure body temperature (b) tell the time (c) find directions (d) do sums quickly
  18. 18.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  19. 19.True or false: Wilhelm Röntgen gave us the stethoscope. (a) False (b) True
  20. 20.What does a clock help us do? (a) tell the time (b) hear the heartbeat (c) see faraway stars (d) talk to people far away
  21. 21.What does a stethoscope help us do? (a) talk to people far away (b) measure body temperature (c) see faraway stars (d) hear the heartbeat
  22. 22.True or false: Johannes Gutenberg gave us the stethoscope. (a) False (b) True
  23. 23.True or false: a compass helps us talk to people far away. (a) False (b) True
  24. 24.What does a microscope help us do? (a) tell the time (b) see tiny germs (c) print many books (d) measure body temperature
  25. 25.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) René Laennec (c) Alexander Graham Bell (d) Alessandro Volta
  26. 26.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alessandro Volta (c) Wilhelm Röntgen (d) Alexander Graham Bell
  27. 27.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) René Laennec
  28. 28.True or false: a calculator helps us print many books. (a) False (b) True
  29. 29.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Alexander Fleming (c) Wilhelm Röntgen (d) Edward Jenner
  30. 30.🔧 Which invention helps us talk to people far away? (a) compass (b) telescope (c) telephone (d) clock
  31. 31.What did Louis Braille give us? (a) the smallpox vaccine (b) the first aeroplane (c) the telephone (d) raised-dot writing
  32. 32.True or false: a microscope helps us hear the heartbeat. (a) True (b) False
  33. 33.True or false: Alexander Graham Bell gave us the stethoscope. (a) False (b) True
  34. 34.True or false: a telephone helps us hear the heartbeat. (a) True (b) False
  35. 35.True or false: a stethoscope helps us print many books. (a) True (b) False
  36. 36.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  37. 37.🔧 Which invention helps us see tiny germs? (a) thermometer (b) microscope (c) telephone (d) printing press
  38. 38.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  39. 39.True or false: a stethoscope helps us tell the time. (a) False (b) True
  40. 40.True or false: a calculator helps us see tiny germs. (a) False (b) True

Answer key

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

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