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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 713 · 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.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) printing press (c) clock (d) calculator
  2. 2.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) Johannes Gutenberg (c) Edward Jenner (d) the Wright brothers
  3. 3.🔧 Which invention helps us do sums quickly? (a) calculator (b) telephone (c) clock (d) printing press
  4. 4.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Johannes Gutenberg (c) Edward Jenner (d) the Wright brothers
  5. 5.True or false: a telephone helps us talk to people far away. (a) True (b) False
  6. 6.What does a telephone help us do? (a) measure body temperature (b) see faraway stars (c) talk to people far away (d) hear the heartbeat
  7. 7.True or false: Edward Jenner gave us the telephone. (a) True (b) False
  8. 8.💡 Who gave us the printing press? (a) Louis Braille (b) Alexander Graham Bell (c) Edward Jenner (d) Johannes Gutenberg
  9. 9.🔧 Which invention helps us see tiny germs? (a) compass (b) telescope (c) thermometer (d) microscope
  10. 10.💡 Who gave us the telephone? (a) Edward Jenner (b) René Laennec (c) Alexander Graham Bell (d) Johannes Gutenberg
  11. 11.What did Louis Braille give us? (a) the telephone (b) the smallpox vaccine (c) penicillin (d) raised-dot writing
  12. 12.True or false: Wilhelm Röntgen gave us the printing press. (a) False (b) True
  13. 13.🔧 Which invention helps us measure body temperature? (a) telephone (b) printing press (c) thermometer (d) microscope
  14. 14.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) the Wright brothers (c) Edward Jenner (d) Johannes Gutenberg
  15. 15.🔧 Which invention helps us talk to people far away? (a) telephone (b) clock (c) calculator (d) thermometer
  16. 16.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Alexander Graham Bell (c) Louis Braille (d) Alessandro Volta
  17. 17.What did the Wright brothers give us? (a) penicillin (b) the electric battery (c) the telephone (d) the first aeroplane
  18. 18.True or false: a microscope helps us see tiny germs. (a) True (b) False
  19. 19.What does a printing press help us do? (a) do sums quickly (b) see faraway stars (c) see tiny germs (d) print many books
  20. 20.What does a microscope help us do? (a) see tiny germs (b) talk to people far away (c) print many books (d) tell the time
  21. 21.True or false: a printing press helps us print many books. (a) True (b) False
  22. 22.True or false: a calculator helps us do sums quickly. (a) True (b) False
  23. 23.What did Alexander Fleming give us? (a) the telephone (b) the stethoscope (c) the printing press (d) penicillin
  24. 24.What did Alexander Graham Bell give us? (a) the stethoscope (b) the printing press (c) the telephone (d) the first aeroplane
  25. 25.True or false: a stethoscope helps us print many books. (a) True (b) False
  26. 26.What does a telescope help us do? (a) see tiny germs (b) talk to people far away (c) hear the heartbeat (d) see faraway stars
  27. 27.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Alexander Fleming (c) René Laennec (d) Edward Jenner
  28. 28.What does a calculator help us do? (a) talk to people far away (b) measure body temperature (c) do sums quickly (d) tell the time
  29. 29.🔧 Which invention helps us print many books? (a) printing press (b) calculator (c) thermometer (d) clock
  30. 30.What did René Laennec give us? (a) raised-dot writing (b) the telephone (c) the stethoscope (d) the first aeroplane
  31. 31.True or false: Johannes Gutenberg gave us the telephone. (a) True (b) False
  32. 32.What did Johannes Gutenberg give us? (a) penicillin (b) the printing press (c) the electric battery (d) X-rays
  33. 33.True or false: a telephone helps us measure body temperature. (a) True (b) False
  34. 34.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  35. 35.What did Alessandro Volta give us? (a) the smallpox vaccine (b) the printing press (c) the electric battery (d) the telephone
  36. 36.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) the Wright brothers (d) René Laennec
  37. 37.True or false: the Wright brothers gave us the stethoscope. (a) False (b) True
  38. 38.What does a compass help us do? (a) see tiny germs (b) find directions (c) tell the time (d) measure body temperature
  39. 39.What did Wilhelm Röntgen give us? (a) X-rays (b) penicillin (c) raised-dot writing (d) the first aeroplane
  40. 40.True or false: Edward Jenner gave us the first aeroplane. (a) False (b) True

Answer key

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

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