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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 819 · 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 tell the time. (a) False (b) True
  2. 2.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  3. 3.What does a calculator help us do? (a) do sums quickly (b) talk to people far away (c) tell the time (d) hear the heartbeat
  4. 4.What does a stethoscope help us do? (a) measure body temperature (b) see faraway stars (c) hear the heartbeat (d) tell the time
  5. 5.What did Alexander Graham Bell give us? (a) the stethoscope (b) the telephone (c) the printing press (d) X-rays
  6. 6.True or false: a printing press helps us see faraway stars. (a) True (b) False
  7. 7.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  8. 8.What did Alessandro Volta give us? (a) raised-dot writing (b) the stethoscope (c) the printing press (d) the electric battery
  9. 9.What did Johannes Gutenberg give us? (a) the stethoscope (b) the electric battery (c) the telephone (d) the printing press
  10. 10.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Louis Braille (c) the Wright brothers (d) Alexander Graham Bell
  11. 11.True or false: a telephone helps us talk to people far away. (a) True (b) False
  12. 12.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Louis Braille (c) Alexander Graham Bell (d) Johannes Gutenberg
  13. 13.💡 Who gave us penicillin? (a) the Wright brothers (b) Alessandro Volta (c) Alexander Fleming (d) Louis Braille
  14. 14.What does a telephone help us do? (a) talk to people far away (b) measure body temperature (c) print many books (d) find directions
  15. 15.True or false: Alexander Fleming gave us the first aeroplane. (a) False (b) True
  16. 16.True or false: a microscope helps us talk to people far away. (a) True (b) False
  17. 17.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the smallpox vaccine (d) the first aeroplane
  18. 18.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True
  19. 19.What does a compass help us do? (a) tell the time (b) find directions (c) hear the heartbeat (d) do sums quickly
  20. 20.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Louis Braille
  21. 21.🔧 Which invention helps us measure body temperature? (a) telescope (b) calculator (c) thermometer (d) stethoscope
  22. 22.True or false: a microscope helps us do sums quickly. (a) False (b) True
  23. 23.What did the Wright brothers give us? (a) the stethoscope (b) penicillin (c) the first aeroplane (d) the telephone
  24. 24.What does a thermometer help us do? (a) hear the heartbeat (b) print many books (c) tell the time (d) measure body temperature
  25. 25.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) Edward Jenner (c) the Wright brothers (d) Alexander Graham Bell
  26. 26.🔧 Which invention helps us talk to people far away? (a) telephone (b) thermometer (c) stethoscope (d) compass
  27. 27.What does a clock help us do? (a) tell the time (b) measure body temperature (c) see tiny germs (d) see faraway stars
  28. 28.True or false: a microscope helps us see tiny germs. (a) False (b) True
  29. 29.What did Louis Braille give us? (a) the electric battery (b) the telephone (c) penicillin (d) raised-dot writing
  30. 30.True or false: a printing press helps us print many books. (a) True (b) False
  31. 31.🔧 Which invention helps us find directions? (a) thermometer (b) compass (c) microscope (d) clock
  32. 32.True or false: the Wright brothers gave us penicillin. (a) False (b) True
  33. 33.What does a printing press help us do? (a) talk to people far away (b) tell the time (c) print many books (d) see faraway stars
  34. 34.💡 Who gave us the telephone? (a) Alexander Fleming (b) René Laennec (c) Wilhelm Röntgen (d) Alexander Graham Bell
  35. 35.🔧 Which invention helps us print many books? (a) stethoscope (b) telescope (c) printing press (d) microscope
  36. 36.True or false: a telephone helps us see tiny germs. (a) False (b) True
  37. 37.What did René Laennec give us? (a) the first aeroplane (b) penicillin (c) the smallpox vaccine (d) the stethoscope
  38. 38.True or false: Johannes Gutenberg gave us raised-dot writing. (a) False (b) True
  39. 39.True or false: Edward Jenner gave us penicillin. (a) True (b) False
  40. 40.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True

Answer key

  1. False
  2. False
  3. do sums quickly
  4. hear the heartbeat
  5. the telephone
  6. False
  7. True
  8. the electric battery
  9. the printing press
  10. Louis Braille
  11. True
  12. Wilhelm Röntgen
  13. Alexander Fleming
  14. talk to people far away
  15. False
  16. False
  17. penicillin
  18. False
  19. find directions
  20. Edward Jenner
  21. thermometer
  22. False
  23. the first aeroplane
  24. measure body temperature
  25. the Wright brothers
  26. telephone
  27. tell the time
  28. True
  29. raised-dot writing
  30. True
  31. compass
  32. False
  33. print many books
  34. Alexander Graham Bell
  35. printing press
  36. False
  37. the stethoscope
  38. False
  39. False
  40. True

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