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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 246 · 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 thermometer helps us see tiny germs. (a) False (b) True
  2. 2.What did Wilhelm Röntgen give us? (a) X-rays (b) the telephone (c) the stethoscope (d) the printing press
  3. 3.What does a stethoscope help us do? (a) hear the heartbeat (b) see faraway stars (c) tell the time (d) see tiny germs
  4. 4.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) calculator (c) telescope (d) telephone
  5. 5.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) the Wright brothers
  6. 6.🔧 Which invention helps us find directions? (a) printing press (b) compass (c) calculator (d) telephone
  7. 7.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  8. 8.🔧 Which invention helps us see tiny germs? (a) telephone (b) clock (c) microscope (d) telescope
  9. 9.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) Alessandro Volta (c) Alexander Fleming (d) René Laennec
  10. 10.💡 Who gave us penicillin? (a) Edward Jenner (b) Alexander Fleming (c) René Laennec (d) Alexander Graham Bell
  11. 11.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  12. 12.What did Alessandro Volta give us? (a) raised-dot writing (b) X-rays (c) the telephone (d) the electric battery
  13. 13.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  14. 14.What did Louis Braille give us? (a) the stethoscope (b) the smallpox vaccine (c) X-rays (d) raised-dot writing
  15. 15.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  16. 16.What does a telephone help us do? (a) hear the heartbeat (b) see faraway stars (c) do sums quickly (d) talk to people far away
  17. 17.True or false: a compass helps us find directions. (a) False (b) True
  18. 18.True or false: a calculator helps us do sums quickly. (a) False (b) True
  19. 19.What did René Laennec give us? (a) the electric battery (b) the telephone (c) the printing press (d) the stethoscope
  20. 20.True or false: a stethoscope helps us talk to people far away. (a) False (b) True
  21. 21.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  22. 22.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Louis Braille (d) Johannes Gutenberg
  23. 23.True or false: a telescope helps us measure body temperature. (a) True (b) False
  24. 24.💡 Who gave us the printing press? (a) Louis Braille (b) René Laennec (c) Johannes Gutenberg (d) the Wright brothers
  25. 25.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  26. 26.💡 Who gave us the electric battery? (a) the Wright brothers (b) Louis Braille (c) Alexander Graham Bell (d) Alessandro Volta
  27. 27.What did the Wright brothers give us? (a) penicillin (b) the first aeroplane (c) the smallpox vaccine (d) raised-dot writing
  28. 28.True or false: Louis Braille gave us the smallpox vaccine. (a) True (b) False
  29. 29.What does a printing press help us do? (a) print many books (b) measure body temperature (c) hear the heartbeat (d) find directions
  30. 30.What did Johannes Gutenberg give us? (a) the telephone (b) the printing press (c) the smallpox vaccine (d) the electric battery
  31. 31.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  32. 32.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) René Laennec (c) Alexander Graham Bell (d) Alexander Fleming
  33. 33.What does a thermometer help us do? (a) print many books (b) hear the heartbeat (c) measure body temperature (d) do sums quickly
  34. 34.True or false: Wilhelm Röntgen gave us the telephone. (a) True (b) False
  35. 35.What does a telescope help us do? (a) measure body temperature (b) tell the time (c) see tiny germs (d) see faraway stars
  36. 36.What does a calculator help us do? (a) see tiny germs (b) do sums quickly (c) hear the heartbeat (d) tell the time
  37. 37.True or false: a clock helps us tell the time. (a) True (b) False
  38. 38.💡 Who gave us X-rays? (a) Alessandro Volta (b) Edward Jenner (c) Wilhelm Röntgen (d) Louis Braille
  39. 39.What did Alexander Graham Bell give us? (a) raised-dot writing (b) the first aeroplane (c) the telephone (d) X-rays
  40. 40.True or false: a stethoscope helps us print many books. (a) False (b) True

Answer key

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

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