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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 651 · 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.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) the Wright brothers (d) René Laennec
  2. 2.True or false: a telephone helps us see faraway stars. (a) False (b) True
  3. 3.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  4. 4.True or false: a clock helps us hear the heartbeat. (a) False (b) True
  5. 5.🔧 Which invention helps us see faraway stars? (a) printing press (b) calculator (c) telescope (d) thermometer
  6. 6.True or false: a printing press helps us print many books. (a) True (b) False
  7. 7.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) the Wright brothers (c) René Laennec (d) Edward Jenner
  8. 8.What does a stethoscope help us do? (a) talk to people far away (b) see tiny germs (c) hear the heartbeat (d) tell the time
  9. 9.True or false: a printing press helps us find directions. (a) False (b) True
  10. 10.What did Louis Braille give us? (a) X-rays (b) the stethoscope (c) raised-dot writing (d) the telephone
  11. 11.What did Wilhelm Röntgen give us? (a) penicillin (b) the stethoscope (c) X-rays (d) the first aeroplane
  12. 12.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  13. 13.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) telephone (c) stethoscope (d) compass
  14. 14.🔧 Which invention helps us tell the time? (a) stethoscope (b) clock (c) compass (d) telephone
  15. 15.What does a compass help us do? (a) do sums quickly (b) see tiny germs (c) find directions (d) hear the heartbeat
  16. 16.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  17. 17.True or false: Alexander Graham Bell gave us the stethoscope. (a) True (b) False
  18. 18.🔧 Which invention helps us measure body temperature? (a) printing press (b) telescope (c) thermometer (d) telephone
  19. 19.True or false: the Wright brothers gave us X-rays. (a) True (b) False
  20. 20.True or false: Louis Braille gave us the first aeroplane. (a) False (b) True
  21. 21.True or false: a telephone helps us hear the heartbeat. (a) True (b) False
  22. 22.🔧 Which invention helps us do sums quickly? (a) telescope (b) printing press (c) clock (d) calculator
  23. 23.True or false: a telephone helps us see tiny germs. (a) False (b) True
  24. 24.What did Alexander Fleming give us? (a) the electric battery (b) X-rays (c) penicillin (d) raised-dot writing
  25. 25.💡 Who gave us the electric battery? (a) the Wright brothers (b) Alexander Fleming (c) Alessandro Volta (d) Louis Braille
  26. 26.True or false: René Laennec gave us the printing press. (a) False (b) True
  27. 27.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) René Laennec (c) Alexander Fleming (d) Louis Braille
  28. 28.True or false: a thermometer helps us see tiny germs. (a) True (b) False
  29. 29.What does a calculator help us do? (a) do sums quickly (b) talk to people far away (c) see tiny germs (d) measure body temperature
  30. 30.🔧 Which invention helps us talk to people far away? (a) microscope (b) thermometer (c) telescope (d) telephone
  31. 31.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Edward Jenner
  32. 32.What did Alessandro Volta give us? (a) penicillin (b) the printing press (c) the stethoscope (d) the electric battery
  33. 33.What did the Wright brothers give us? (a) raised-dot writing (b) the first aeroplane (c) the printing press (d) X-rays
  34. 34.True or false: a telephone helps us find directions. (a) True (b) False
  35. 35.True or false: a stethoscope helps us find directions. (a) False (b) True
  36. 36.What does a clock help us do? (a) hear the heartbeat (b) tell the time (c) print many books (d) do sums quickly
  37. 37.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  38. 38.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  39. 39.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) Edward Jenner (c) Johannes Gutenberg (d) Alexander Fleming
  40. 40.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) the Wright brothers (c) Louis Braille (d) Alexander Fleming

Answer key

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

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