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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 258 · 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.🔧 Which invention helps us do sums quickly? (a) clock (b) calculator (c) telescope (d) microscope
  2. 2.What did Alexander Graham Bell give us? (a) the printing press (b) the telephone (c) penicillin (d) the electric battery
  3. 3.True or false: a microscope helps us see tiny germs. (a) True (b) False
  4. 4.What did Johannes Gutenberg give us? (a) the telephone (b) X-rays (c) the printing press (d) the stethoscope
  5. 5.🔧 Which invention helps us see faraway stars? (a) printing press (b) microscope (c) calculator (d) telescope
  6. 6.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  7. 7.What does a microscope help us do? (a) print many books (b) do sums quickly (c) tell the time (d) see tiny germs
  8. 8.🔧 Which invention helps us hear the heartbeat? (a) compass (b) stethoscope (c) clock (d) microscope
  9. 9.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) René Laennec (c) Louis Braille (d) Alexander Fleming
  10. 10.True or false: Alexander Graham Bell gave us raised-dot writing. (a) False (b) True
  11. 11.🔧 Which invention helps us measure body temperature? (a) microscope (b) printing press (c) thermometer (d) calculator
  12. 12.What did Wilhelm Röntgen give us? (a) the telephone (b) X-rays (c) the first aeroplane (d) the stethoscope
  13. 13.💡 Who gave us the printing press? (a) Edward Jenner (b) the Wright brothers (c) Wilhelm Röntgen (d) Johannes Gutenberg
  14. 14.What did René Laennec give us? (a) penicillin (b) the stethoscope (c) X-rays (d) the telephone
  15. 15.True or false: Louis Braille gave us the telephone. (a) False (b) True
  16. 16.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  17. 17.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Alexander Fleming (c) Edward Jenner (d) Johannes Gutenberg
  18. 18.🔧 Which invention helps us find directions? (a) clock (b) compass (c) calculator (d) printing press
  19. 19.True or false: a stethoscope helps us do sums quickly. (a) True (b) False
  20. 20.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  21. 21.💡 Who gave us X-rays? (a) Louis Braille (b) Wilhelm Röntgen (c) Alessandro Volta (d) Alexander Graham Bell
  22. 22.What did Louis Braille give us? (a) the electric battery (b) penicillin (c) raised-dot writing (d) the smallpox vaccine
  23. 23.What does a telescope help us do? (a) see faraway stars (b) do sums quickly (c) hear the heartbeat (d) talk to people far away
  24. 24.🔧 Which invention helps us tell the time? (a) compass (b) stethoscope (c) clock (d) thermometer
  25. 25.True or false: Louis Braille gave us X-rays. (a) True (b) False
  26. 26.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  27. 27.💡 Who gave us penicillin? (a) the Wright brothers (b) Alexander Fleming (c) René Laennec (d) Edward Jenner
  28. 28.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) the Wright brothers (c) René Laennec (d) Wilhelm Röntgen
  29. 29.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  30. 30.True or false: a calculator helps us do sums quickly. (a) True (b) False
  31. 31.What does a compass help us do? (a) find directions (b) see tiny germs (c) see faraway stars (d) measure body temperature
  32. 32.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  33. 33.What does a stethoscope help us do? (a) see faraway stars (b) see tiny germs (c) measure body temperature (d) hear the heartbeat
  34. 34.True or false: a calculator helps us see tiny germs. (a) False (b) True
  35. 35.🔧 Which invention helps us see tiny germs? (a) compass (b) microscope (c) printing press (d) thermometer
  36. 36.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  37. 37.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True
  38. 38.What did the Wright brothers give us? (a) raised-dot writing (b) X-rays (c) the smallpox vaccine (d) the first aeroplane
  39. 39.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) Louis Braille (c) René Laennec (d) Alessandro Volta
  40. 40.True or false: Johannes Gutenberg gave us X-rays. (a) False (b) True

Answer key

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

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