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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 337 · 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 X-rays? (a) the Wright brothers (b) Wilhelm Röntgen (c) Alexander Fleming (d) Edward Jenner
  2. 2.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Edward Jenner (c) Johannes Gutenberg (d) Louis Braille
  3. 3.What does a telescope help us do? (a) tell the time (b) print many books (c) see faraway stars (d) do sums quickly
  4. 4.True or false: a clock helps us see faraway stars. (a) False (b) True
  5. 5.True or false: a clock helps us do sums quickly. (a) True (b) False
  6. 6.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) X-rays (c) the stethoscope (d) the electric battery
  7. 7.🔧 Which invention helps us see tiny germs? (a) calculator (b) telescope (c) microscope (d) telephone
  8. 8.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  9. 9.What did Alessandro Volta give us? (a) penicillin (b) raised-dot writing (c) X-rays (d) the electric battery
  10. 10.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  11. 11.True or false: a clock helps us find directions. (a) False (b) True
  12. 12.What does a clock help us do? (a) measure body temperature (b) print many books (c) find directions (d) tell the time
  13. 13.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) Louis Braille (c) Alessandro Volta (d) Edward Jenner
  14. 14.True or false: a telescope helps us hear the heartbeat. (a) False (b) True
  15. 15.🔧 Which invention helps us find directions? (a) clock (b) microscope (c) telephone (d) compass
  16. 16.What did Louis Braille give us? (a) X-rays (b) penicillin (c) the stethoscope (d) raised-dot writing
  17. 17.True or false: a telephone helps us do sums quickly. (a) False (b) True
  18. 18.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) compass (c) microscope (d) thermometer
  19. 19.True or false: a printing press helps us talk to people far away. (a) True (b) False
  20. 20.True or false: the Wright brothers gave us X-rays. (a) True (b) False
  21. 21.True or false: Alessandro Volta gave us the first aeroplane. (a) False (b) True
  22. 22.💡 Who gave us the stethoscope? (a) Louis Braille (b) Alexander Fleming (c) Alessandro Volta (d) René Laennec
  23. 23.🔧 Which invention helps us see faraway stars? (a) printing press (b) telescope (c) stethoscope (d) microscope
  24. 24.True or false: Wilhelm Röntgen gave us penicillin. (a) True (b) False
  25. 25.True or false: René Laennec gave us the first aeroplane. (a) True (b) False
  26. 26.What did Alexander Graham Bell give us? (a) the telephone (b) the first aeroplane (c) the electric battery (d) the printing press
  27. 27.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) microscope (c) thermometer (d) calculator
  28. 28.What does a calculator help us do? (a) do sums quickly (b) tell the time (c) see faraway stars (d) hear the heartbeat
  29. 29.💡 Who gave us penicillin? (a) Alessandro Volta (b) Alexander Graham Bell (c) Alexander Fleming (d) Wilhelm Röntgen
  30. 30.True or false: a clock helps us tell the time. (a) False (b) True
  31. 31.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Edward Jenner (d) Louis Braille
  32. 32.What did the Wright brothers give us? (a) the smallpox vaccine (b) penicillin (c) the first aeroplane (d) the stethoscope
  33. 33.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  34. 34.True or false: a compass helps us measure body temperature. (a) False (b) True
  35. 35.True or false: a telephone helps us talk to people far away. (a) False (b) True
  36. 36.💡 Who gave us the telephone? (a) Alessandro Volta (b) Johannes Gutenberg (c) Alexander Graham Bell (d) Louis Braille
  37. 37.What does a printing press help us do? (a) see tiny germs (b) hear the heartbeat (c) print many books (d) talk to people far away
  38. 38.What does a telephone help us do? (a) talk to people far away (b) measure body temperature (c) see tiny germs (d) hear the heartbeat
  39. 39.True or false: a calculator helps us see faraway stars. (a) True (b) False
  40. 40.True or false: a printing press helps us print many books. (a) False (b) True

Answer key

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

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