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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 751 · 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.True or false: a calculator helps us hear the heartbeat. (a) False (b) True
  2. 2.What did Louis Braille give us? (a) the telephone (b) the stethoscope (c) raised-dot writing (d) the electric battery
  3. 3.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alessandro Volta (c) René Laennec (d) Johannes Gutenberg
  4. 4.True or false: Alexander Fleming gave us the electric battery. (a) False (b) True
  5. 5.What did Alexander Graham Bell give us? (a) the electric battery (b) the stethoscope (c) penicillin (d) the telephone
  6. 6.💡 Who gave us the printing press? (a) Edward Jenner (b) René Laennec (c) the Wright brothers (d) Johannes Gutenberg
  7. 7.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  8. 8.🔧 Which invention helps us print many books? (a) stethoscope (b) compass (c) calculator (d) printing press
  9. 9.True or false: a stethoscope helps us measure body temperature. (a) True (b) False
  10. 10.What did the Wright brothers give us? (a) X-rays (b) the smallpox vaccine (c) the printing press (d) the first aeroplane
  11. 11.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) clock (c) thermometer (d) calculator
  12. 12.True or false: Johannes Gutenberg gave us X-rays. (a) True (b) False
  13. 13.True or false: Wilhelm Röntgen gave us the telephone. (a) False (b) True
  14. 14.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  15. 15.What did Alessandro Volta give us? (a) penicillin (b) the first aeroplane (c) the electric battery (d) the stethoscope
  16. 16.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) René Laennec (c) Alessandro Volta (d) Wilhelm Röntgen
  17. 17.True or false: a telephone helps us talk to people far away. (a) True (b) False
  18. 18.True or false: a thermometer helps us print many books. (a) True (b) False
  19. 19.True or false: a compass helps us hear the heartbeat. (a) False (b) True
  20. 20.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) False (b) True
  21. 21.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) Alexander Fleming (c) Edward Jenner (d) Louis Braille
  22. 22.What did Johannes Gutenberg give us? (a) the stethoscope (b) the telephone (c) penicillin (d) the printing press
  23. 23.What does a telephone help us do? (a) print many books (b) find directions (c) do sums quickly (d) talk to people far away
  24. 24.What did Edward Jenner give us? (a) the telephone (b) the smallpox vaccine (c) penicillin (d) the first aeroplane
  25. 25.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  26. 26.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) the Wright brothers (c) Wilhelm Röntgen (d) René Laennec
  27. 27.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the first aeroplane (d) the printing press
  28. 28.What did Wilhelm Röntgen give us? (a) the electric battery (b) the printing press (c) the first aeroplane (d) X-rays
  29. 29.True or false: Alexander Fleming gave us raised-dot writing. (a) False (b) True
  30. 30.🔧 Which invention helps us talk to people far away? (a) printing press (b) thermometer (c) telephone (d) microscope
  31. 31.What does a telescope help us do? (a) measure body temperature (b) see faraway stars (c) do sums quickly (d) see tiny germs
  32. 32.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  33. 33.True or false: a microscope helps us do sums quickly. (a) True (b) False
  34. 34.💡 Who gave us penicillin? (a) Alexander Fleming (b) Alessandro Volta (c) René Laennec (d) Edward Jenner
  35. 35.True or false: a telescope helps us talk to people far away. (a) False (b) True
  36. 36.True or false: a telephone helps us hear the heartbeat. (a) True (b) False
  37. 37.🔧 Which invention helps us find directions? (a) clock (b) compass (c) microscope (d) stethoscope
  38. 38.True or false: a printing press helps us hear the heartbeat. (a) True (b) False
  39. 39.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) Louis Braille (c) Johannes Gutenberg (d) René Laennec
  40. 40.True or false: a stethoscope helps us find directions. (a) True (b) False

Answer key

  1. False
  2. raised-dot writing
  3. Alexander Graham Bell
  4. False
  5. the telephone
  6. Johannes Gutenberg
  7. True
  8. printing press
  9. False
  10. the first aeroplane
  11. calculator
  12. False
  13. False
  14. True
  15. the electric battery
  16. Alessandro Volta
  17. True
  18. False
  19. False
  20. False
  21. Louis Braille
  22. the printing press
  23. talk to people far away
  24. the smallpox vaccine
  25. True
  26. Edward Jenner
  27. penicillin
  28. X-rays
  29. False
  30. telephone
  31. see faraway stars
  32. True
  33. False
  34. Alexander Fleming
  35. False
  36. False
  37. compass
  38. False
  39. René Laennec
  40. False

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