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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 637 · 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: Wilhelm Röntgen gave us the telephone. (a) False (b) True
  2. 2.What does a compass help us do? (a) print many books (b) find directions (c) see faraway stars (d) do sums quickly
  3. 3.What did Louis Braille give us? (a) raised-dot writing (b) the electric battery (c) the first aeroplane (d) X-rays
  4. 4.What does a microscope help us do? (a) tell the time (b) find directions (c) see tiny germs (d) see faraway stars
  5. 5.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alessandro Volta (c) the Wright brothers (d) René Laennec
  6. 6.💡 Who gave us X-rays? (a) Louis Braille (b) René Laennec (c) Johannes Gutenberg (d) Wilhelm Röntgen
  7. 7.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Louis Braille (d) Alessandro Volta
  8. 8.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) the stethoscope (c) X-rays (d) the electric battery
  9. 9.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) Edward Jenner (c) Louis Braille (d) Alexander Fleming
  10. 10.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Alexander Fleming (c) René Laennec (d) Alexander Graham Bell
  11. 11.🔧 Which invention helps us tell the time? (a) thermometer (b) telescope (c) clock (d) compass
  12. 12.🔧 Which invention helps us see tiny germs? (a) telephone (b) compass (c) microscope (d) stethoscope
  13. 13.What does a stethoscope help us do? (a) do sums quickly (b) measure body temperature (c) print many books (d) hear the heartbeat
  14. 14.True or false: a stethoscope helps us talk to people far away. (a) False (b) True
  15. 15.True or false: Louis Braille gave us penicillin. (a) True (b) False
  16. 16.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  17. 17.🔧 Which invention helps us talk to people far away? (a) telephone (b) thermometer (c) microscope (d) compass
  18. 18.What did Johannes Gutenberg give us? (a) penicillin (b) the printing press (c) X-rays (d) the stethoscope
  19. 19.What did René Laennec give us? (a) the printing press (b) the stethoscope (c) X-rays (d) the smallpox vaccine
  20. 20.🔧 Which invention helps us print many books? (a) printing press (b) compass (c) clock (d) thermometer
  21. 21.True or false: a telephone helps us print many books. (a) True (b) False
  22. 22.True or false: a telephone helps us talk to people far away. (a) True (b) False
  23. 23.🔧 Which invention helps us see faraway stars? (a) microscope (b) stethoscope (c) telescope (d) clock
  24. 24.True or false: Alexander Graham Bell gave us the printing press. (a) False (b) True
  25. 25.🔧 Which invention helps us find directions? (a) telephone (b) calculator (c) printing press (d) compass
  26. 26.True or false: a telescope helps us see faraway stars. (a) False (b) True
  27. 27.What did Alexander Fleming give us? (a) the first aeroplane (b) the stethoscope (c) raised-dot writing (d) penicillin
  28. 28.True or false: Alexander Fleming gave us the electric battery. (a) True (b) False
  29. 29.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  30. 30.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  31. 31.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) René Laennec (c) Johannes Gutenberg (d) Alexander Fleming
  32. 32.True or false: a printing press helps us see faraway stars. (a) True (b) False
  33. 33.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  34. 34.💡 Who gave us the first aeroplane? (a) Louis Braille (b) the Wright brothers (c) Wilhelm Röntgen (d) Johannes Gutenberg
  35. 35.💡 Who gave us the stethoscope? (a) René Laennec (b) the Wright brothers (c) Alexander Graham Bell (d) Louis Braille
  36. 36.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  37. 37.True or false: a compass helps us see faraway stars. (a) False (b) True
  38. 38.What did Edward Jenner give us? (a) penicillin (b) the stethoscope (c) the smallpox vaccine (d) the telephone
  39. 39.What does a calculator help us do? (a) see tiny germs (b) do sums quickly (c) print many books (d) talk to people far away
  40. 40.🔧 Which invention helps us do sums quickly? (a) compass (b) printing press (c) thermometer (d) calculator

Answer key

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

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