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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 118 · 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.What does a calculator help us do? (a) do sums quickly (b) print many books (c) find directions (d) hear the heartbeat
  2. 2.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) the Wright brothers (c) Alexander Fleming (d) Edward Jenner
  3. 3.What does a microscope help us do? (a) see tiny germs (b) print many books (c) measure body temperature (d) talk to people far away
  4. 4.True or false: a stethoscope helps us see faraway stars. (a) True (b) False
  5. 5.True or false: a microscope helps us see tiny germs. (a) False (b) True
  6. 6.🔧 Which invention helps us see faraway stars? (a) telescope (b) thermometer (c) microscope (d) clock
  7. 7.True or false: a stethoscope helps us see tiny germs. (a) False (b) True
  8. 8.True or false: a telephone helps us see faraway stars. (a) False (b) True
  9. 9.True or false: Alessandro Volta gave us the printing press. (a) False (b) True
  10. 10.💡 Who gave us raised-dot writing? (a) Alessandro Volta (b) Edward Jenner (c) Wilhelm Röntgen (d) Louis Braille
  11. 11.What did Louis Braille give us? (a) the smallpox vaccine (b) raised-dot writing (c) the telephone (d) the stethoscope
  12. 12.🔧 Which invention helps us print many books? (a) telescope (b) telephone (c) printing press (d) stethoscope
  13. 13.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  14. 14.True or false: the Wright brothers gave us raised-dot writing. (a) False (b) True
  15. 15.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) compass (c) thermometer (d) microscope
  16. 16.What did Johannes Gutenberg give us? (a) the electric battery (b) the first aeroplane (c) the printing press (d) penicillin
  17. 17.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Alessandro Volta (c) Alexander Fleming (d) Wilhelm Röntgen
  18. 18.What did the Wright brothers give us? (a) the telephone (b) the first aeroplane (c) the stethoscope (d) the smallpox vaccine
  19. 19.🔧 Which invention helps us measure body temperature? (a) telephone (b) stethoscope (c) thermometer (d) calculator
  20. 20.What did René Laennec give us? (a) the telephone (b) the printing press (c) the stethoscope (d) the first aeroplane
  21. 21.What did Edward Jenner give us? (a) the smallpox vaccine (b) the stethoscope (c) the electric battery (d) X-rays
  22. 22.What did Alexander Fleming give us? (a) the printing press (b) the first aeroplane (c) the telephone (d) penicillin
  23. 23.🔧 Which invention helps us do sums quickly? (a) printing press (b) stethoscope (c) calculator (d) telescope
  24. 24.True or false: a clock helps us tell the time. (a) True (b) False
  25. 25.What did Alessandro Volta give us? (a) penicillin (b) X-rays (c) the electric battery (d) the printing press
  26. 26.True or false: a stethoscope helps us find directions. (a) False (b) True
  27. 27.True or false: a printing press helps us print many books. (a) True (b) False
  28. 28.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  29. 29.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  30. 30.True or false: a microscope helps us print many books. (a) False (b) True
  31. 31.True or false: a printing press helps us see tiny germs. (a) True (b) False
  32. 32.True or false: a compass helps us find directions. (a) False (b) True
  33. 33.True or false: a calculator helps us measure body temperature. (a) False (b) True
  34. 34.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  35. 35.What does a thermometer help us do? (a) do sums quickly (b) measure body temperature (c) find directions (d) see tiny germs
  36. 36.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  37. 37.What does a telescope help us do? (a) do sums quickly (b) see faraway stars (c) talk to people far away (d) print many books
  38. 38.💡 Who gave us the first aeroplane? (a) René Laennec (b) the Wright brothers (c) Alexander Fleming (d) Johannes Gutenberg
  39. 39.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) René Laennec (c) Edward Jenner (d) Johannes Gutenberg
  40. 40.True or false: Alexander Fleming gave us the smallpox vaccine. (a) True (b) False

Answer key

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

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