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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 390 · 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 stethoscope helps us hear the heartbeat. (a) False (b) True
  2. 2.💡 Who gave us penicillin? (a) Alexander Fleming (b) the Wright brothers (c) Wilhelm Röntgen (d) Louis Braille
  3. 3.What did Johannes Gutenberg give us? (a) the first aeroplane (b) the telephone (c) the smallpox vaccine (d) the printing press
  4. 4.What did the Wright brothers give us? (a) X-rays (b) the first aeroplane (c) penicillin (d) the printing press
  5. 5.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  6. 6.💡 Who gave us the electric battery? (a) the Wright brothers (b) Alessandro Volta (c) Alexander Graham Bell (d) Edward Jenner
  7. 7.True or false: a calculator helps us hear the heartbeat. (a) False (b) True
  8. 8.🔧 Which invention helps us do sums quickly? (a) microscope (b) telephone (c) printing press (d) calculator
  9. 9.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  10. 10.True or false: a calculator helps us do sums quickly. (a) False (b) True
  11. 11.What does a thermometer help us do? (a) hear the heartbeat (b) measure body temperature (c) print many books (d) see faraway stars
  12. 12.What does a printing press help us do? (a) do sums quickly (b) measure body temperature (c) print many books (d) find directions
  13. 13.🔧 Which invention helps us measure body temperature? (a) compass (b) microscope (c) telescope (d) thermometer
  14. 14.True or false: a compass helps us find directions. (a) False (b) True
  15. 15.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Alexander Fleming (d) Johannes Gutenberg
  16. 16.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) printing press (c) telephone (d) clock
  17. 17.What did Edward Jenner give us? (a) penicillin (b) the smallpox vaccine (c) the telephone (d) the first aeroplane
  18. 18.What does a stethoscope help us do? (a) measure body temperature (b) hear the heartbeat (c) see tiny germs (d) print many books
  19. 19.True or false: Alessandro Volta gave us the stethoscope. (a) False (b) True
  20. 20.True or false: the Wright brothers gave us the telephone. (a) False (b) True
  21. 21.True or false: Louis Braille gave us the printing press. (a) False (b) True
  22. 22.What did Louis Braille give us? (a) the stethoscope (b) the first aeroplane (c) raised-dot writing (d) the printing press
  23. 23.🔧 Which invention helps us print many books? (a) telephone (b) microscope (c) telescope (d) printing press
  24. 24.What does a calculator help us do? (a) tell the time (b) measure body temperature (c) see faraway stars (d) do sums quickly
  25. 25.True or false: a calculator helps us see faraway stars. (a) True (b) False
  26. 26.True or false: Johannes Gutenberg gave us the telephone. (a) True (b) False
  27. 27.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) Alessandro Volta (c) Wilhelm Röntgen (d) René Laennec
  28. 28.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) René Laennec (c) the Wright brothers (d) Edward Jenner
  29. 29.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  30. 30.True or false: a telephone helps us do sums quickly. (a) True (b) False
  31. 31.True or false: a telescope helps us see tiny germs. (a) True (b) False
  32. 32.True or false: Louis Braille gave us the first aeroplane. (a) False (b) True
  33. 33.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Edward Jenner (d) Alessandro Volta
  34. 34.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) raised-dot writing (d) the printing press
  35. 35.What does a telescope help us do? (a) print many books (b) do sums quickly (c) see faraway stars (d) measure body temperature
  36. 36.What does a clock help us do? (a) find directions (b) tell the time (c) see faraway stars (d) print many books
  37. 37.What did Alessandro Volta give us? (a) the first aeroplane (b) the electric battery (c) raised-dot writing (d) the telephone
  38. 38.True or false: a microscope helps us tell the time. (a) True (b) False
  39. 39.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  40. 40.True or false: Edward Jenner gave us raised-dot writing. (a) False (b) True

Answer key

  1. True
  2. Alexander Fleming
  3. the printing press
  4. the first aeroplane
  5. True
  6. Alessandro Volta
  7. False
  8. calculator
  9. True
  10. True
  11. measure body temperature
  12. print many books
  13. thermometer
  14. True
  15. Wilhelm Röntgen
  16. stethoscope
  17. the smallpox vaccine
  18. hear the heartbeat
  19. False
  20. False
  21. False
  22. raised-dot writing
  23. printing press
  24. do sums quickly
  25. False
  26. False
  27. René Laennec
  28. Edward Jenner
  29. True
  30. False
  31. False
  32. False
  33. Alexander Graham Bell
  34. penicillin
  35. see faraway stars
  36. tell the time
  37. the electric battery
  38. False
  39. True
  40. False

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