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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 530 · 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 telescope helps us see faraway stars. (a) True (b) False
  2. 2.What did Edward Jenner give us? (a) penicillin (b) the smallpox vaccine (c) the printing press (d) raised-dot writing
  3. 3.What did Alexander Fleming give us? (a) X-rays (b) the telephone (c) penicillin (d) the smallpox vaccine
  4. 4.What does a microscope help us do? (a) see faraway stars (b) print many books (c) find directions (d) see tiny germs
  5. 5.🔧 Which invention helps us talk to people far away? (a) clock (b) calculator (c) stethoscope (d) telephone
  6. 6.What does a telephone help us do? (a) find directions (b) talk to people far away (c) print many books (d) hear the heartbeat
  7. 7.True or false: Alexander Fleming gave us the telephone. (a) False (b) True
  8. 8.What does a clock help us do? (a) do sums quickly (b) find directions (c) see faraway stars (d) tell the time
  9. 9.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  10. 10.💡 Who gave us the telephone? (a) René Laennec (b) Edward Jenner (c) Alexander Graham Bell (d) Alexander Fleming
  11. 11.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Alessandro Volta (c) René Laennec (d) Louis Braille
  12. 12.True or false: Wilhelm Röntgen gave us the electric battery. (a) False (b) True
  13. 13.🔧 Which invention helps us see tiny germs? (a) printing press (b) thermometer (c) clock (d) microscope
  14. 14.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) thermometer (c) calculator (d) stethoscope
  15. 15.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  16. 16.What does a telescope help us do? (a) print many books (b) talk to people far away (c) see faraway stars (d) see tiny germs
  17. 17.What did Alexander Graham Bell give us? (a) the telephone (b) the first aeroplane (c) the printing press (d) the stethoscope
  18. 18.True or false: a clock helps us tell the time. (a) False (b) True
  19. 19.What does a stethoscope help us do? (a) hear the heartbeat (b) do sums quickly (c) see faraway stars (d) print many books
  20. 20.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Alexander Graham Bell (c) the Wright brothers (d) René Laennec
  21. 21.💡 Who gave us the electric battery? (a) René Laennec (b) Alexander Graham Bell (c) Alessandro Volta (d) Louis Braille
  22. 22.🔧 Which invention helps us tell the time? (a) compass (b) clock (c) calculator (d) stethoscope
  23. 23.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  24. 24.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Edward Jenner (c) Louis Braille (d) Wilhelm Röntgen
  25. 25.What did Alessandro Volta give us? (a) raised-dot writing (b) the electric battery (c) the printing press (d) the smallpox vaccine
  26. 26.True or false: Alexander Graham Bell gave us raised-dot writing. (a) False (b) True
  27. 27.What did Johannes Gutenberg give us? (a) the printing press (b) raised-dot writing (c) the first aeroplane (d) the smallpox vaccine
  28. 28.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) René Laennec (c) Alexander Fleming (d) Johannes Gutenberg
  29. 29.🔧 Which invention helps us measure body temperature? (a) printing press (b) stethoscope (c) clock (d) thermometer
  30. 30.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True
  31. 31.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) the Wright brothers (c) Alexander Fleming (d) René Laennec
  32. 32.What did Wilhelm Röntgen give us? (a) the printing press (b) raised-dot writing (c) X-rays (d) the first aeroplane
  33. 33.True or false: a microscope helps us tell the time. (a) False (b) True
  34. 34.What does a calculator help us do? (a) hear the heartbeat (b) see tiny germs (c) measure body temperature (d) do sums quickly
  35. 35.True or false: Johannes Gutenberg gave us the stethoscope. (a) True (b) False
  36. 36.💡 Who gave us the printing press? (a) Edward Jenner (b) Alexander Fleming (c) René Laennec (d) Johannes Gutenberg
  37. 37.True or false: a clock helps us talk to people far away. (a) True (b) False
  38. 38.🔧 Which invention helps us find directions? (a) telescope (b) compass (c) telephone (d) printing press
  39. 39.True or false: a clock helps us hear the heartbeat. (a) False (b) True
  40. 40.True or false: a microscope helps us hear the heartbeat. (a) False (b) True

Answer key

  1. True
  2. the smallpox vaccine
  3. penicillin
  4. see tiny germs
  5. telephone
  6. talk to people far away
  7. False
  8. tell the time
  9. True
  10. Alexander Graham Bell
  11. Louis Braille
  12. False
  13. microscope
  14. stethoscope
  15. True
  16. see faraway stars
  17. the telephone
  18. True
  19. hear the heartbeat
  20. René Laennec
  21. Alessandro Volta
  22. clock
  23. True
  24. Edward Jenner
  25. the electric battery
  26. False
  27. the printing press
  28. the Wright brothers
  29. thermometer
  30. False
  31. Alexander Fleming
  32. X-rays
  33. False
  34. do sums quickly
  35. False
  36. Johannes Gutenberg
  37. False
  38. compass
  39. False
  40. False

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