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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 810 · 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: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  2. 2.💡 Who gave us the printing press? (a) Alexander Fleming (b) Edward Jenner (c) René Laennec (d) Johannes Gutenberg
  3. 3.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) printing press (c) thermometer (d) telescope
  4. 4.What did Alexander Fleming give us? (a) penicillin (b) the telephone (c) the first aeroplane (d) raised-dot writing
  5. 5.True or false: a microscope helps us hear the heartbeat. (a) True (b) False
  6. 6.What did Johannes Gutenberg give us? (a) the telephone (b) raised-dot writing (c) the printing press (d) the electric battery
  7. 7.What did the Wright brothers give us? (a) penicillin (b) the telephone (c) the first aeroplane (d) the electric battery
  8. 8.What did Wilhelm Röntgen give us? (a) the telephone (b) raised-dot writing (c) X-rays (d) the printing press
  9. 9.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telescope (c) microscope (d) telephone
  10. 10.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) Louis Braille (c) René Laennec (d) Wilhelm Röntgen
  11. 11.What does a thermometer help us do? (a) talk to people far away (b) measure body temperature (c) hear the heartbeat (d) tell the time
  12. 12.True or false: a telescope helps us see faraway stars. (a) True (b) False
  13. 13.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Alessandro Volta (c) Edward Jenner (d) Louis Braille
  14. 14.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Edward Jenner (c) Wilhelm Röntgen (d) Alexander Fleming
  15. 15.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  16. 16.💡 Who gave us the stethoscope? (a) Edward Jenner (b) René Laennec (c) Alessandro Volta (d) Wilhelm Röntgen
  17. 17.True or false: the Wright brothers gave us the printing press. (a) False (b) True
  18. 18.True or false: a calculator helps us do sums quickly. (a) False (b) True
  19. 19.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  20. 20.What did Louis Braille give us? (a) the telephone (b) penicillin (c) the electric battery (d) raised-dot writing
  21. 21.True or false: Alessandro Volta gave us X-rays. (a) False (b) True
  22. 22.What does a clock help us do? (a) print many books (b) tell the time (c) see faraway stars (d) see tiny germs
  23. 23.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) calculator (c) microscope (d) printing press
  24. 24.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  25. 25.💡 Who gave us the first aeroplane? (a) Louis Braille (b) René Laennec (c) Wilhelm Röntgen (d) the Wright brothers
  26. 26.True or false: Louis Braille gave us the stethoscope. (a) True (b) False
  27. 27.🔧 Which invention helps us do sums quickly? (a) microscope (b) telephone (c) calculator (d) compass
  28. 28.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) True (b) False
  29. 29.What does a stethoscope help us do? (a) print many books (b) measure body temperature (c) hear the heartbeat (d) find directions
  30. 30.🔧 Which invention helps us print many books? (a) microscope (b) telescope (c) calculator (d) printing press
  31. 31.🔧 Which invention helps us find directions? (a) stethoscope (b) thermometer (c) telescope (d) compass
  32. 32.What does a telescope help us do? (a) hear the heartbeat (b) find directions (c) see faraway stars (d) print many books
  33. 33.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  34. 34.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the printing press (c) penicillin (d) the telephone
  35. 35.True or false: a microscope helps us see faraway stars. (a) True (b) False
  36. 36.True or false: a clock helps us hear the heartbeat. (a) True (b) False
  37. 37.True or false: a stethoscope helps us find directions. (a) True (b) False
  38. 38.What did René Laennec give us? (a) the printing press (b) penicillin (c) the stethoscope (d) the first aeroplane
  39. 39.True or false: a clock helps us see faraway stars. (a) False (b) True
  40. 40.True or false: a telephone helps us talk to people far away. (a) False (b) True

Answer key

  1. True
  2. Johannes Gutenberg
  3. stethoscope
  4. penicillin
  5. False
  6. the printing press
  7. the first aeroplane
  8. X-rays
  9. telephone
  10. Wilhelm Röntgen
  11. measure body temperature
  12. True
  13. Louis Braille
  14. Alexander Fleming
  15. True
  16. René Laennec
  17. False
  18. True
  19. True
  20. raised-dot writing
  21. False
  22. tell the time
  23. microscope
  24. True
  25. the Wright brothers
  26. False
  27. calculator
  28. False
  29. hear the heartbeat
  30. printing press
  31. compass
  32. see faraway stars
  33. True
  34. the telephone
  35. False
  36. False
  37. False
  38. the stethoscope
  39. False
  40. True

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