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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 74 · 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 printing press helps us hear the heartbeat. (a) False (b) True
  2. 2.What did Alexander Graham Bell give us? (a) the printing press (b) raised-dot writing (c) X-rays (d) the telephone
  3. 3.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  4. 4.What did the Wright brothers give us? (a) the printing press (b) the electric battery (c) the first aeroplane (d) penicillin
  5. 5.💡 Who gave us the telephone? (a) Edward Jenner (b) Louis Braille (c) Alexander Fleming (d) Alexander Graham Bell
  6. 6.🔧 Which invention helps us see tiny germs? (a) clock (b) printing press (c) thermometer (d) microscope
  7. 7.True or false: a compass helps us find directions. (a) True (b) False
  8. 8.True or false: a telescope helps us hear the heartbeat. (a) False (b) True
  9. 9.What does a thermometer help us do? (a) measure body temperature (b) hear the heartbeat (c) do sums quickly (d) see tiny germs
  10. 10.What did Alessandro Volta give us? (a) penicillin (b) the smallpox vaccine (c) the electric battery (d) the stethoscope
  11. 11.🔧 Which invention helps us talk to people far away? (a) compass (b) clock (c) telephone (d) thermometer
  12. 12.True or false: the Wright brothers gave us the stethoscope. (a) True (b) False
  13. 13.What does a telescope help us do? (a) print many books (b) see faraway stars (c) hear the heartbeat (d) talk to people far away
  14. 14.True or false: a telephone helps us find directions. (a) False (b) True
  15. 15.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Edward Jenner (c) Alexander Fleming (d) Louis Braille
  16. 16.True or false: a telephone helps us see tiny germs. (a) True (b) False
  17. 17.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alexander Fleming (c) Johannes Gutenberg (d) Alessandro Volta
  18. 18.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) Alexander Fleming (c) Edward Jenner (d) René Laennec
  19. 19.🔧 Which invention helps us measure body temperature? (a) telephone (b) telescope (c) calculator (d) thermometer
  20. 20.What does a compass help us do? (a) see faraway stars (b) print many books (c) hear the heartbeat (d) find directions
  21. 21.What does a printing press help us do? (a) find directions (b) measure body temperature (c) talk to people far away (d) print many books
  22. 22.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  23. 23.🔧 Which invention helps us find directions? (a) compass (b) telescope (c) stethoscope (d) clock
  24. 24.True or false: René Laennec gave us the first aeroplane. (a) True (b) False
  25. 25.True or false: a clock helps us see tiny germs. (a) False (b) True
  26. 26.True or false: a calculator helps us talk to people far away. (a) True (b) False
  27. 27.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Edward Jenner (c) Alexander Fleming (d) Alessandro Volta
  28. 28.True or false: the Wright brothers gave us the electric battery. (a) True (b) False
  29. 29.True or false: a telescope helps us see faraway stars. (a) False (b) True
  30. 30.True or false: a printing press helps us tell the time. (a) False (b) True
  31. 31.True or false: a printing press helps us print many books. (a) False (b) True
  32. 32.🔧 Which invention helps us see faraway stars? (a) telephone (b) thermometer (c) calculator (d) telescope
  33. 33.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  34. 34.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) telescope (c) stethoscope (d) microscope
  35. 35.What did Johannes Gutenberg give us? (a) the electric battery (b) the printing press (c) the first aeroplane (d) the telephone
  36. 36.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False
  37. 37.True or false: a telescope helps us talk to people far away. (a) False (b) True
  38. 38.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) False (b) True
  39. 39.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  40. 40.True or false: a telescope helps us see tiny germs. (a) True (b) False

Answer key

  1. False
  2. the telephone
  3. True
  4. the first aeroplane
  5. Alexander Graham Bell
  6. microscope
  7. True
  8. False
  9. measure body temperature
  10. the electric battery
  11. telephone
  12. False
  13. see faraway stars
  14. False
  15. Wilhelm Röntgen
  16. False
  17. Edward Jenner
  18. René Laennec
  19. thermometer
  20. find directions
  21. print many books
  22. True
  23. compass
  24. False
  25. False
  26. False
  27. Louis Braille
  28. False
  29. True
  30. False
  31. True
  32. telescope
  33. True
  34. stethoscope
  35. the printing press
  36. False
  37. False
  38. False
  39. True
  40. False

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