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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 924 · 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 compass helps us find directions. (a) False (b) True
  2. 2.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  3. 3.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Alexander Graham Bell (c) the Wright brothers (d) Johannes Gutenberg
  4. 4.🔧 Which invention helps us tell the time? (a) clock (b) telephone (c) microscope (d) calculator
  5. 5.True or false: a telescope helps us see faraway stars. (a) False (b) True
  6. 6.True or false: Alessandro Volta gave us penicillin. (a) True (b) False
  7. 7.What did René Laennec give us? (a) the telephone (b) the stethoscope (c) raised-dot writing (d) X-rays
  8. 8.True or false: Edward Jenner gave us the printing press. (a) False (b) True
  9. 9.True or false: a clock helps us see tiny germs. (a) False (b) True
  10. 10.True or false: a printing press helps us print many books. (a) False (b) True
  11. 11.💡 Who gave us the first aeroplane? (a) Louis Braille (b) the Wright brothers (c) Wilhelm Röntgen (d) Edward Jenner
  12. 12.🔧 Which invention helps us see faraway stars? (a) clock (b) telescope (c) stethoscope (d) telephone
  13. 13.What does a telescope help us do? (a) tell the time (b) do sums quickly (c) find directions (d) see faraway stars
  14. 14.What does a thermometer help us do? (a) see faraway stars (b) talk to people far away (c) hear the heartbeat (d) measure body temperature
  15. 15.What did Alexander Fleming give us? (a) penicillin (b) the stethoscope (c) the printing press (d) raised-dot writing
  16. 16.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Louis Braille (c) René Laennec (d) Edward Jenner
  17. 17.🔧 Which invention helps us see tiny germs? (a) calculator (b) stethoscope (c) compass (d) microscope
  18. 18.What does a microscope help us do? (a) measure body temperature (b) talk to people far away (c) see tiny germs (d) hear the heartbeat
  19. 19.True or false: Alexander Graham Bell gave us raised-dot writing. (a) True (b) False
  20. 20.🔧 Which invention helps us measure body temperature? (a) clock (b) thermometer (c) printing press (d) telephone
  21. 21.What did Alexander Graham Bell give us? (a) X-rays (b) raised-dot writing (c) the first aeroplane (d) the telephone
  22. 22.True or false: a microscope helps us find directions. (a) False (b) True
  23. 23.What did Edward Jenner give us? (a) the electric battery (b) the printing press (c) the smallpox vaccine (d) the telephone
  24. 24.True or false: a telephone helps us find directions. (a) True (b) False
  25. 25.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Edward Jenner (c) Alexander Fleming (d) Johannes Gutenberg
  26. 26.💡 Who gave us the telephone? (a) Louis Braille (b) Alexander Graham Bell (c) Alexander Fleming (d) the Wright brothers
  27. 27.True or false: Alexander Fleming gave us the telephone. (a) True (b) False
  28. 28.What did Alessandro Volta give us? (a) the telephone (b) the electric battery (c) raised-dot writing (d) the first aeroplane
  29. 29.True or false: Alessandro Volta gave us raised-dot writing. (a) True (b) False
  30. 30.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) False (b) True
  31. 31.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Alessandro Volta (c) Louis Braille (d) Johannes Gutenberg
  32. 32.True or false: Johannes Gutenberg gave us the stethoscope. (a) True (b) False
  33. 33.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  34. 34.What does a clock help us do? (a) see tiny germs (b) tell the time (c) measure body temperature (d) find directions
  35. 35.True or false: a stethoscope helps us measure body temperature. (a) True (b) False
  36. 36.True or false: a clock helps us tell the time. (a) False (b) True
  37. 37.What did the Wright brothers give us? (a) the first aeroplane (b) the smallpox vaccine (c) raised-dot writing (d) the stethoscope
  38. 38.True or false: Alexander Fleming gave us the electric battery. (a) False (b) True
  39. 39.What does a stethoscope help us do? (a) do sums quickly (b) talk to people far away (c) hear the heartbeat (d) see faraway stars
  40. 40.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) telescope (c) microscope (d) calculator

Answer key

  1. True
  2. True
  3. Alessandro Volta
  4. clock
  5. True
  6. False
  7. the stethoscope
  8. False
  9. False
  10. True
  11. the Wright brothers
  12. telescope
  13. see faraway stars
  14. measure body temperature
  15. penicillin
  16. Louis Braille
  17. microscope
  18. see tiny germs
  19. False
  20. thermometer
  21. the telephone
  22. False
  23. the smallpox vaccine
  24. False
  25. Wilhelm Röntgen
  26. Alexander Graham Bell
  27. False
  28. the electric battery
  29. False
  30. False
  31. Johannes Gutenberg
  32. False
  33. True
  34. tell the time
  35. False
  36. True
  37. the first aeroplane
  38. False
  39. hear the heartbeat
  40. calculator

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