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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 696 · 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.What does a calculator help us do? (a) tell the time (b) do sums quickly (c) find directions (d) see tiny germs
  2. 2.🔧 Which invention helps us find directions? (a) compass (b) stethoscope (c) telescope (d) telephone
  3. 3.🔧 Which invention helps us print many books? (a) telescope (b) printing press (c) stethoscope (d) clock
  4. 4.True or false: a clock helps us measure body temperature. (a) True (b) False
  5. 5.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  6. 6.What did Alexander Graham Bell give us? (a) X-rays (b) raised-dot writing (c) the telephone (d) the printing press
  7. 7.💡 Who gave us the smallpox vaccine? (a) Alessandro Volta (b) Alexander Fleming (c) Louis Braille (d) Edward Jenner
  8. 8.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  9. 9.💡 Who gave us the printing press? (a) the Wright brothers (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) René Laennec
  10. 10.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Louis Braille (d) Alessandro Volta
  11. 11.What does a clock help us do? (a) print many books (b) tell the time (c) hear the heartbeat (d) do sums quickly
  12. 12.What does a telescope help us do? (a) print many books (b) find directions (c) do sums quickly (d) see faraway stars
  13. 13.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) printing press (d) compass
  14. 14.What does a stethoscope help us do? (a) find directions (b) see tiny germs (c) hear the heartbeat (d) talk to people far away
  15. 15.What does a compass help us do? (a) print many books (b) hear the heartbeat (c) measure body temperature (d) find directions
  16. 16.What did Johannes Gutenberg give us? (a) the first aeroplane (b) the electric battery (c) the smallpox vaccine (d) the printing press
  17. 17.💡 Who gave us the telephone? (a) Louis Braille (b) Alexander Graham Bell (c) Johannes Gutenberg (d) the Wright brothers
  18. 18.What does a printing press help us do? (a) do sums quickly (b) print many books (c) measure body temperature (d) find directions
  19. 19.What did Alessandro Volta give us? (a) penicillin (b) raised-dot writing (c) the first aeroplane (d) the electric battery
  20. 20.🔧 Which invention helps us see faraway stars? (a) telescope (b) printing press (c) stethoscope (d) microscope
  21. 21.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  22. 22.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) René Laennec (d) Alessandro Volta
  23. 23.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  24. 24.What does a microscope help us do? (a) see faraway stars (b) measure body temperature (c) tell the time (d) see tiny germs
  25. 25.True or false: a telephone helps us talk to people far away. (a) False (b) True
  26. 26.💡 Who gave us the stethoscope? (a) René Laennec (b) Alexander Graham Bell (c) Edward Jenner (d) Johannes Gutenberg
  27. 27.True or false: Alessandro Volta gave us penicillin. (a) True (b) False
  28. 28.What did Louis Braille give us? (a) raised-dot writing (b) the printing press (c) the electric battery (d) the first aeroplane
  29. 29.What did René Laennec give us? (a) the printing press (b) the stethoscope (c) raised-dot writing (d) the first aeroplane
  30. 30.What did Edward Jenner give us? (a) the telephone (b) the electric battery (c) the smallpox vaccine (d) the stethoscope
  31. 31.True or false: a telescope helps us see faraway stars. (a) False (b) True
  32. 32.What did Alexander Fleming give us? (a) the first aeroplane (b) the electric battery (c) the stethoscope (d) penicillin
  33. 33.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alexander Fleming (c) Alessandro Volta (d) Wilhelm Röntgen
  34. 34.What did the Wright brothers give us? (a) the first aeroplane (b) the electric battery (c) X-rays (d) the telephone
  35. 35.True or false: the Wright brothers gave us the telephone. (a) False (b) True
  36. 36.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) True (b) False
  37. 37.True or false: Louis Braille gave us penicillin. (a) False (b) True
  38. 38.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  39. 39.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) René Laennec (c) the Wright brothers (d) Alexander Fleming
  40. 40.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) the stethoscope (c) X-rays (d) the telephone

Answer key

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

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