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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 740 · 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: Alexander Fleming gave us penicillin. (a) False (b) True
  2. 2.What does a calculator help us do? (a) see faraway stars (b) find directions (c) tell the time (d) do sums quickly
  3. 3.True or false: a microscope helps us find directions. (a) True (b) False
  4. 4.What did the Wright brothers give us? (a) the first aeroplane (b) the stethoscope (c) X-rays (d) the smallpox vaccine
  5. 5.💡 Who gave us penicillin? (a) Louis Braille (b) Alexander Fleming (c) Alexander Graham Bell (d) Edward Jenner
  6. 6.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  7. 7.💡 Who gave us X-rays? (a) Alessandro Volta (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Alexander Graham Bell
  8. 8.What did Alexander Graham Bell give us? (a) penicillin (b) the printing press (c) the telephone (d) the first aeroplane
  9. 9.What does a compass help us do? (a) measure body temperature (b) find directions (c) print many books (d) talk to people far away
  10. 10.What does a telephone help us do? (a) tell the time (b) find directions (c) talk to people far away (d) measure body temperature
  11. 11.True or false: a stethoscope helps us do sums quickly. (a) False (b) True
  12. 12.True or false: Alexander Graham Bell gave us the electric battery. (a) True (b) False
  13. 13.🔧 Which invention helps us hear the heartbeat? (a) printing press (b) telephone (c) stethoscope (d) compass
  14. 14.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) René Laennec (c) Wilhelm Röntgen (d) Edward Jenner
  15. 15.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  16. 16.What does a stethoscope help us do? (a) do sums quickly (b) find directions (c) print many books (d) hear the heartbeat
  17. 17.What did Alexander Fleming give us? (a) the printing press (b) raised-dot writing (c) penicillin (d) the first aeroplane
  18. 18.💡 Who gave us the printing press? (a) Edward Jenner (b) René Laennec (c) Louis Braille (d) Johannes Gutenberg
  19. 19.What did René Laennec give us? (a) the smallpox vaccine (b) the stethoscope (c) raised-dot writing (d) penicillin
  20. 20.What does a telescope help us do? (a) print many books (b) see faraway stars (c) measure body temperature (d) talk to people far away
  21. 21.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  22. 22.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  23. 23.🔧 Which invention helps us see faraway stars? (a) telescope (b) printing press (c) microscope (d) stethoscope
  24. 24.True or false: a calculator helps us hear the heartbeat. (a) False (b) True
  25. 25.What did Johannes Gutenberg give us? (a) penicillin (b) the telephone (c) the printing press (d) the electric battery
  26. 26.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  27. 27.What does a thermometer help us do? (a) find directions (b) measure body temperature (c) see faraway stars (d) tell the time
  28. 28.True or false: a calculator helps us do sums quickly. (a) True (b) False
  29. 29.What does a printing press help us do? (a) print many books (b) measure body temperature (c) see faraway stars (d) find directions
  30. 30.What did Wilhelm Röntgen give us? (a) the printing press (b) the first aeroplane (c) raised-dot writing (d) X-rays
  31. 31.What did Alessandro Volta give us? (a) the telephone (b) the electric battery (c) the stethoscope (d) the printing press
  32. 32.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Johannes Gutenberg (c) the Wright brothers (d) Alexander Graham Bell
  33. 33.What does a clock help us do? (a) tell the time (b) see faraway stars (c) talk to people far away (d) measure body temperature
  34. 34.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) the Wright brothers (c) Wilhelm Röntgen (d) Alexander Fleming
  35. 35.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  36. 36.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alexander Fleming (c) the Wright brothers (d) Alessandro Volta
  37. 37.🔧 Which invention helps us see tiny germs? (a) calculator (b) compass (c) thermometer (d) microscope
  38. 38.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) compass (c) telephone (d) microscope
  39. 39.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  40. 40.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Alexander Fleming (c) Wilhelm Röntgen (d) Alessandro Volta

Answer key

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

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