← Inventions and inventors lesson New set →

Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 104 · 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.🔧 Which invention helps us measure body temperature? (a) telephone (b) calculator (c) thermometer (d) compass
  2. 2.💡 Who gave us penicillin? (a) René Laennec (b) Alexander Fleming (c) Alexander Graham Bell (d) Johannes Gutenberg
  3. 3.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  4. 4.What did Louis Braille give us? (a) the stethoscope (b) raised-dot writing (c) the first aeroplane (d) the electric battery
  5. 5.What does a stethoscope help us do? (a) tell the time (b) hear the heartbeat (c) talk to people far away (d) do sums quickly
  6. 6.🔧 Which invention helps us talk to people far away? (a) thermometer (b) clock (c) calculator (d) telephone
  7. 7.What did the Wright brothers give us? (a) the stethoscope (b) penicillin (c) the first aeroplane (d) the printing press
  8. 8.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alexander Graham Bell (c) René Laennec (d) Edward Jenner
  9. 9.True or false: Wilhelm Röntgen gave us the telephone. (a) True (b) False
  10. 10.True or false: a clock helps us talk to people far away. (a) False (b) True
  11. 11.True or false: the Wright brothers gave us the smallpox vaccine. (a) True (b) False
  12. 12.True or false: a telescope helps us see faraway stars. (a) True (b) False
  13. 13.💡 Who gave us the telephone? (a) Wilhelm Röntgen (b) Alexander Fleming (c) Alexander Graham Bell (d) Edward Jenner
  14. 14.💡 Who gave us the stethoscope? (a) the Wright brothers (b) Johannes Gutenberg (c) Louis Braille (d) René Laennec
  15. 15.🔧 Which invention helps us hear the heartbeat? (a) compass (b) telephone (c) microscope (d) stethoscope
  16. 16.What did Alessandro Volta give us? (a) the electric battery (b) the printing press (c) the stethoscope (d) the telephone
  17. 17.What did Alexander Fleming give us? (a) the smallpox vaccine (b) the stethoscope (c) the telephone (d) penicillin
  18. 18.🔧 Which invention helps us do sums quickly? (a) telescope (b) printing press (c) calculator (d) telephone
  19. 19.True or false: the Wright brothers gave us X-rays. (a) True (b) False
  20. 20.True or false: a calculator helps us do sums quickly. (a) False (b) True
  21. 21.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) the Wright brothers (c) Alexander Graham Bell (d) Edward Jenner
  22. 22.What does a clock help us do? (a) talk to people far away (b) do sums quickly (c) tell the time (d) hear the heartbeat
  23. 23.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  24. 24.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  25. 25.True or false: Edward Jenner gave us the telephone. (a) True (b) False
  26. 26.What did Wilhelm Röntgen give us? (a) penicillin (b) raised-dot writing (c) the telephone (d) X-rays
  27. 27.What did Alexander Graham Bell give us? (a) the stethoscope (b) the smallpox vaccine (c) raised-dot writing (d) the telephone
  28. 28.🔧 Which invention helps us find directions? (a) telephone (b) compass (c) thermometer (d) calculator
  29. 29.True or false: a microscope helps us measure body temperature. (a) False (b) True
  30. 30.True or false: Louis Braille gave us X-rays. (a) True (b) False
  31. 31.What does a telephone help us do? (a) talk to people far away (b) measure body temperature (c) tell the time (d) find directions
  32. 32.True or false: the Wright brothers gave us raised-dot writing. (a) True (b) False
  33. 33.True or false: a printing press helps us talk to people far away. (a) False (b) True
  34. 34.True or false: a calculator helps us find directions. (a) True (b) False
  35. 35.🔧 Which invention helps us tell the time? (a) stethoscope (b) clock (c) telescope (d) microscope
  36. 36.True or false: Alexander Fleming gave us raised-dot writing. (a) True (b) False
  37. 37.What did René Laennec give us? (a) the electric battery (b) the stethoscope (c) X-rays (d) the printing press
  38. 38.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  39. 39.True or false: a clock helps us measure body temperature. (a) False (b) True
  40. 40.💡 Who gave us the electric battery? (a) René Laennec (b) Johannes Gutenberg (c) Alessandro Volta (d) Edward Jenner

Answer key

  1. thermometer
  2. Alexander Fleming
  3. True
  4. raised-dot writing
  5. hear the heartbeat
  6. telephone
  7. the first aeroplane
  8. the Wright brothers
  9. False
  10. False
  11. False
  12. True
  13. Alexander Graham Bell
  14. René Laennec
  15. stethoscope
  16. the electric battery
  17. penicillin
  18. calculator
  19. False
  20. True
  21. Johannes Gutenberg
  22. tell the time
  23. True
  24. True
  25. False
  26. X-rays
  27. the telephone
  28. compass
  29. False
  30. False
  31. talk to people far away
  32. False
  33. False
  34. False
  35. clock
  36. False
  37. the stethoscope
  38. True
  39. False
  40. Alessandro Volta

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