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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 550 · 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 did René Laennec give us? (a) the telephone (b) the printing press (c) the stethoscope (d) X-rays
  2. 2.True or false: a telephone helps us do sums quickly. (a) True (b) False
  3. 3.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  4. 4.💡 Who gave us the stethoscope? (a) René Laennec (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Louis Braille
  5. 5.🔧 Which invention helps us measure body temperature? (a) calculator (b) thermometer (c) telephone (d) clock
  6. 6.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Louis Braille
  7. 7.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  8. 8.What does a calculator help us do? (a) print many books (b) hear the heartbeat (c) do sums quickly (d) find directions
  9. 9.💡 Who gave us the electric battery? (a) Wilhelm Röntgen (b) Louis Braille (c) Alexander Fleming (d) Alessandro Volta
  10. 10.True or false: a telescope helps us print many books. (a) False (b) True
  11. 11.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  12. 12.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) True (b) False
  13. 13.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Louis Braille (c) Johannes Gutenberg (d) Alexander Fleming
  14. 14.True or false: a compass helps us find directions. (a) False (b) True
  15. 15.True or false: Johannes Gutenberg gave us the electric battery. (a) True (b) False
  16. 16.True or false: the Wright brothers gave us the telephone. (a) False (b) True
  17. 17.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Edward Jenner (c) René Laennec (d) the Wright brothers
  18. 18.True or false: a compass helps us see tiny germs. (a) True (b) False
  19. 19.💡 Who gave us the printing press? (a) Alessandro Volta (b) Louis Braille (c) Johannes Gutenberg (d) Wilhelm Röntgen
  20. 20.What did Edward Jenner give us? (a) the smallpox vaccine (b) penicillin (c) the telephone (d) the printing press
  21. 21.What does a stethoscope help us do? (a) hear the heartbeat (b) measure body temperature (c) find directions (d) talk to people far away
  22. 22.🔧 Which invention helps us see tiny germs? (a) clock (b) microscope (c) thermometer (d) telephone
  23. 23.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  24. 24.What does a thermometer help us do? (a) find directions (b) do sums quickly (c) measure body temperature (d) print many books
  25. 25.True or false: Alessandro Volta gave us X-rays. (a) True (b) False
  26. 26.What did Wilhelm Röntgen give us? (a) the stethoscope (b) the first aeroplane (c) the printing press (d) X-rays
  27. 27.🔧 Which invention helps us talk to people far away? (a) telephone (b) calculator (c) thermometer (d) clock
  28. 28.True or false: a clock helps us talk to people far away. (a) False (b) True
  29. 29.💡 Who gave us the smallpox vaccine? (a) Louis Braille (b) Edward Jenner (c) Alexander Fleming (d) Alexander Graham Bell
  30. 30.True or false: Johannes Gutenberg gave us the telephone. (a) True (b) False
  31. 31.🔧 Which invention helps us do sums quickly? (a) telescope (b) printing press (c) calculator (d) clock
  32. 32.What did the Wright brothers give us? (a) the first aeroplane (b) the stethoscope (c) penicillin (d) the smallpox vaccine
  33. 33.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  34. 34.💡 Who gave us penicillin? (a) Alexander Fleming (b) René Laennec (c) Alessandro Volta (d) Johannes Gutenberg
  35. 35.True or false: a clock helps us measure body temperature. (a) True (b) False
  36. 36.True or false: Alexander Graham Bell gave us the electric battery. (a) False (b) True
  37. 37.What does a microscope help us do? (a) print many books (b) see tiny germs (c) do sums quickly (d) hear the heartbeat
  38. 38.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  39. 39.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  40. 40.True or false: a printing press helps us see tiny germs. (a) False (b) True

Answer key

  1. the stethoscope
  2. False
  3. True
  4. René Laennec
  5. thermometer
  6. Louis Braille
  7. True
  8. do sums quickly
  9. Alessandro Volta
  10. False
  11. True
  12. False
  13. Wilhelm Röntgen
  14. True
  15. False
  16. False
  17. the Wright brothers
  18. False
  19. Johannes Gutenberg
  20. the smallpox vaccine
  21. hear the heartbeat
  22. microscope
  23. True
  24. measure body temperature
  25. False
  26. X-rays
  27. telephone
  28. False
  29. Edward Jenner
  30. False
  31. calculator
  32. the first aeroplane
  33. True
  34. Alexander Fleming
  35. False
  36. False
  37. see tiny germs
  38. True
  39. True
  40. False

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