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Class 4 GK Worksheet: Inventions and Inventors

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

Answer key

  1. False
  2. the Wright brothers
  3. False
  4. True
  5. the smallpox vaccine
  6. raised-dot writing
  7. penicillin
  8. False
  9. True
  10. Wilhelm Röntgen
  11. Alessandro Volta
  12. find directions
  13. Edward Jenner
  14. the first aeroplane
  15. Johannes Gutenberg
  16. True
  17. stethoscope
  18. False
  19. Alexander Fleming
  20. False
  21. microscope
  22. False
  23. do sums quickly
  24. X-rays
  25. True
  26. True
  27. hear the heartbeat
  28. True
  29. Louis Braille
  30. telescope
  31. False
  32. the telephone
  33. René Laennec
  34. True
  35. True
  36. False
  37. the printing press
  38. False
  39. telephone
  40. False

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