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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 658 · 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.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) the Wright brothers (c) Alessandro Volta (d) Alexander Fleming
  2. 2.True or false: the Wright brothers gave us the stethoscope. (a) False (b) True
  3. 3.True or false: a stethoscope helps us measure body temperature. (a) True (b) False
  4. 4.True or false: Johannes Gutenberg gave us the first aeroplane. (a) False (b) True
  5. 5.True or false: a calculator helps us do sums quickly. (a) False (b) True
  6. 6.What did Johannes Gutenberg give us? (a) penicillin (b) the stethoscope (c) the first aeroplane (d) the printing press
  7. 7.True or false: the Wright brothers gave us the electric battery. (a) False (b) True
  8. 8.What did René Laennec give us? (a) the first aeroplane (b) the electric battery (c) the telephone (d) the stethoscope
  9. 9.What did the Wright brothers give us? (a) penicillin (b) raised-dot writing (c) X-rays (d) the first aeroplane
  10. 10.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Louis Braille (c) Johannes Gutenberg (d) Alessandro Volta
  11. 11.What did Alexander Fleming give us? (a) the electric battery (b) X-rays (c) the stethoscope (d) penicillin
  12. 12.True or false: a clock helps us measure body temperature. (a) True (b) False
  13. 13.What does a stethoscope help us do? (a) do sums quickly (b) see faraway stars (c) talk to people far away (d) hear the heartbeat
  14. 14.True or false: a microscope helps us see tiny germs. (a) False (b) True
  15. 15.What did Alexander Graham Bell give us? (a) the printing press (b) the telephone (c) penicillin (d) the first aeroplane
  16. 16.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Alexander Fleming (c) the Wright brothers (d) Alexander Graham Bell
  17. 17.🔧 Which invention helps us find directions? (a) clock (b) telescope (c) compass (d) telephone
  18. 18.💡 Who gave us X-rays? (a) the Wright brothers (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Edward Jenner
  19. 19.🔧 Which invention helps us measure body temperature? (a) telephone (b) clock (c) thermometer (d) printing press
  20. 20.💡 Who gave us the telephone? (a) René Laennec (b) Edward Jenner (c) Alexander Fleming (d) Alexander Graham Bell
  21. 21.True or false: a compass helps us see tiny germs. (a) True (b) False
  22. 22.What does a printing press help us do? (a) print many books (b) do sums quickly (c) tell the time (d) see tiny germs
  23. 23.What does a clock help us do? (a) measure body temperature (b) do sums quickly (c) tell the time (d) find directions
  24. 24.What did Louis Braille give us? (a) the electric battery (b) the telephone (c) the printing press (d) raised-dot writing
  25. 25.True or false: Louis Braille gave us the telephone. (a) False (b) True
  26. 26.🔧 Which invention helps us see tiny germs? (a) calculator (b) telescope (c) microscope (d) printing press
  27. 27.True or false: a telephone helps us talk to people far away. (a) False (b) True
  28. 28.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Alexander Fleming
  29. 29.What does a calculator help us do? (a) hear the heartbeat (b) print many books (c) do sums quickly (d) measure body temperature
  30. 30.What does a compass help us do? (a) do sums quickly (b) see tiny germs (c) talk to people far away (d) find directions
  31. 31.True or false: a telescope helps us do sums quickly. (a) True (b) False
  32. 32.What did Edward Jenner give us? (a) the electric battery (b) penicillin (c) the smallpox vaccine (d) the telephone
  33. 33.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  34. 34.🔧 Which invention helps us hear the heartbeat? (a) printing press (b) stethoscope (c) calculator (d) clock
  35. 35.True or false: Alexander Fleming gave us the smallpox vaccine. (a) True (b) False
  36. 36.What does a microscope help us do? (a) print many books (b) measure body temperature (c) hear the heartbeat (d) see tiny germs
  37. 37.What did Wilhelm Röntgen give us? (a) the electric battery (b) X-rays (c) the printing press (d) penicillin
  38. 38.True or false: a stethoscope helps us tell the time. (a) True (b) False
  39. 39.What does a telescope help us do? (a) print many books (b) find directions (c) do sums quickly (d) see faraway stars
  40. 40.🔧 Which invention helps us do sums quickly? (a) telephone (b) stethoscope (c) calculator (d) microscope

Answer key

  1. Alexander Fleming
  2. False
  3. False
  4. False
  5. True
  6. the printing press
  7. False
  8. the stethoscope
  9. the first aeroplane
  10. Alessandro Volta
  11. penicillin
  12. False
  13. hear the heartbeat
  14. True
  15. the telephone
  16. the Wright brothers
  17. compass
  18. Wilhelm Röntgen
  19. thermometer
  20. Alexander Graham Bell
  21. False
  22. print many books
  23. tell the time
  24. raised-dot writing
  25. False
  26. microscope
  27. True
  28. Louis Braille
  29. do sums quickly
  30. find directions
  31. False
  32. the smallpox vaccine
  33. True
  34. stethoscope
  35. False
  36. see tiny germs
  37. X-rays
  38. False
  39. see faraway stars
  40. calculator

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