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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 817 · 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: Louis Braille gave us raised-dot writing. (a) False (b) True
  2. 2.True or false: a telephone helps us talk to people far away. (a) True (b) False
  3. 3.What did Louis Braille give us? (a) raised-dot writing (b) the first aeroplane (c) the stethoscope (d) X-rays
  4. 4.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) stethoscope (c) thermometer (d) clock
  5. 5.What did the Wright brothers give us? (a) the stethoscope (b) the electric battery (c) raised-dot writing (d) the first aeroplane
  6. 6.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Alexander Fleming (c) Johannes Gutenberg (d) Wilhelm Röntgen
  7. 7.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Alessandro Volta (c) the Wright brothers (d) René Laennec
  8. 8.💡 Who gave us the first aeroplane? (a) Louis Braille (b) René Laennec (c) the Wright brothers (d) Alexander Graham Bell
  9. 9.What did Johannes Gutenberg give us? (a) the electric battery (b) the printing press (c) the stethoscope (d) penicillin
  10. 10.What does a printing press help us do? (a) find directions (b) see tiny germs (c) print many books (d) see faraway stars
  11. 11.What does a calculator help us do? (a) do sums quickly (b) tell the time (c) talk to people far away (d) print many books
  12. 12.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) Edward Jenner (c) Wilhelm Röntgen (d) Louis Braille
  13. 13.What did Alexander Graham Bell give us? (a) X-rays (b) the telephone (c) the smallpox vaccine (d) the first aeroplane
  14. 14.🔧 Which invention helps us do sums quickly? (a) compass (b) printing press (c) telephone (d) calculator
  15. 15.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  16. 16.True or false: Alexander Fleming gave us the electric battery. (a) False (b) True
  17. 17.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Edward Jenner (d) Alessandro Volta
  18. 18.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  19. 19.What does a thermometer help us do? (a) measure body temperature (b) find directions (c) tell the time (d) hear the heartbeat
  20. 20.What does a clock help us do? (a) measure body temperature (b) tell the time (c) do sums quickly (d) see tiny germs
  21. 21.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  22. 22.🔧 Which invention helps us tell the time? (a) calculator (b) telephone (c) clock (d) thermometer
  23. 23.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) calculator (c) microscope (d) printing press
  24. 24.True or false: a printing press helps us find directions. (a) True (b) False
  25. 25.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  26. 26.True or false: a printing press helps us see tiny germs. (a) False (b) True
  27. 27.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  28. 28.What does a compass help us do? (a) hear the heartbeat (b) see faraway stars (c) measure body temperature (d) find directions
  29. 29.True or false: Alexander Fleming gave us the first aeroplane. (a) True (b) False
  30. 30.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  31. 31.True or false: a clock helps us find directions. (a) False (b) True
  32. 32.True or false: a telephone helps us see faraway stars. (a) False (b) True
  33. 33.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) Edward Jenner (c) Alexander Fleming (d) Louis Braille
  34. 34.What did Alessandro Volta give us? (a) the electric battery (b) raised-dot writing (c) the telephone (d) penicillin
  35. 35.🔧 Which invention helps us see faraway stars? (a) compass (b) telescope (c) clock (d) thermometer
  36. 36.True or false: Alexander Graham Bell gave us the stethoscope. (a) False (b) True
  37. 37.What does a microscope help us do? (a) see tiny germs (b) measure body temperature (c) do sums quickly (d) hear the heartbeat
  38. 38.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Alexander Fleming (c) Johannes Gutenberg (d) Alexander Graham Bell
  39. 39.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  40. 40.True or false: the Wright brothers gave us penicillin. (a) True (b) False

Answer key

  1. True
  2. True
  3. raised-dot writing
  4. stethoscope
  5. the first aeroplane
  6. Johannes Gutenberg
  7. René Laennec
  8. the Wright brothers
  9. the printing press
  10. print many books
  11. do sums quickly
  12. Edward Jenner
  13. the telephone
  14. calculator
  15. True
  16. False
  17. Alexander Graham Bell
  18. True
  19. measure body temperature
  20. tell the time
  21. True
  22. clock
  23. microscope
  24. False
  25. True
  26. False
  27. True
  28. find directions
  29. False
  30. False
  31. False
  32. False
  33. Alexander Fleming
  34. the electric battery
  35. telescope
  36. False
  37. see tiny germs
  38. Alessandro Volta
  39. True
  40. False

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