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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 762 · 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 hear the heartbeat? (a) telephone (b) stethoscope (c) calculator (d) microscope
  2. 2.💡 Who gave us X-rays? (a) Edward Jenner (b) Alexander Fleming (c) Wilhelm Röntgen (d) Alexander Graham Bell
  3. 3.What did Wilhelm Röntgen give us? (a) the printing press (b) X-rays (c) the first aeroplane (d) the telephone
  4. 4.What does a thermometer help us do? (a) find directions (b) print many books (c) hear the heartbeat (d) measure body temperature
  5. 5.What does a microscope help us do? (a) hear the heartbeat (b) tell the time (c) see tiny germs (d) see faraway stars
  6. 6.True or false: a microscope helps us see faraway stars. (a) True (b) False
  7. 7.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  8. 8.True or false: a telephone helps us talk to people far away. (a) False (b) True
  9. 9.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Louis Braille (c) Johannes Gutenberg (d) Alexander Fleming
  10. 10.What did Alexander Fleming give us? (a) penicillin (b) the printing press (c) the electric battery (d) X-rays
  11. 11.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Johannes Gutenberg (c) Louis Braille (d) Wilhelm Röntgen
  12. 12.True or false: a telescope helps us see faraway stars. (a) False (b) True
  13. 13.💡 Who gave us the telephone? (a) René Laennec (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Edward Jenner
  14. 14.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  15. 15.What did Louis Braille give us? (a) the electric battery (b) penicillin (c) the first aeroplane (d) raised-dot writing
  16. 16.What does a compass help us do? (a) tell the time (b) print many books (c) find directions (d) talk to people far away
  17. 17.What did René Laennec give us? (a) the electric battery (b) the stethoscope (c) the telephone (d) the printing press
  18. 18.🔧 Which invention helps us see tiny germs? (a) clock (b) telephone (c) microscope (d) telescope
  19. 19.True or false: a microscope helps us see tiny germs. (a) True (b) False
  20. 20.True or false: a clock helps us see faraway stars. (a) False (b) True
  21. 21.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  22. 22.What does a printing press help us do? (a) see tiny germs (b) print many books (c) talk to people far away (d) tell the time
  23. 23.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) the Wright brothers
  24. 24.What does a telescope help us do? (a) see faraway stars (b) see tiny germs (c) find directions (d) measure body temperature
  25. 25.True or false: a printing press helps us print many books. (a) True (b) False
  26. 26.🔧 Which invention helps us do sums quickly? (a) telescope (b) microscope (c) calculator (d) thermometer
  27. 27.What did Alexander Graham Bell give us? (a) the stethoscope (b) the telephone (c) penicillin (d) the printing press
  28. 28.What did Edward Jenner give us? (a) the smallpox vaccine (b) raised-dot writing (c) the electric battery (d) the first aeroplane
  29. 29.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  30. 30.True or false: the Wright brothers gave us the electric battery. (a) True (b) False
  31. 31.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) Alexander Fleming (c) Louis Braille (d) René Laennec
  32. 32.True or false: a calculator helps us measure body temperature. (a) False (b) True
  33. 33.What did the Wright brothers give us? (a) X-rays (b) the printing press (c) penicillin (d) the first aeroplane
  34. 34.What does a stethoscope help us do? (a) do sums quickly (b) find directions (c) tell the time (d) hear the heartbeat
  35. 35.True or false: a telescope helps us find directions. (a) False (b) True
  36. 36.True or false: a calculator helps us do sums quickly. (a) False (b) True
  37. 37.🔧 Which invention helps us see faraway stars? (a) calculator (b) telephone (c) stethoscope (d) telescope
  38. 38.What did Johannes Gutenberg give us? (a) the printing press (b) the first aeroplane (c) the stethoscope (d) the smallpox vaccine
  39. 39.What does a telephone help us do? (a) measure body temperature (b) see tiny germs (c) talk to people far away (d) see faraway stars
  40. 40.True or false: Alexander Graham Bell gave us X-rays. (a) False (b) True

Answer key

  1. stethoscope
  2. Wilhelm Röntgen
  3. X-rays
  4. measure body temperature
  5. see tiny germs
  6. False
  7. True
  8. True
  9. Johannes Gutenberg
  10. penicillin
  11. Louis Braille
  12. True
  13. Alexander Graham Bell
  14. True
  15. raised-dot writing
  16. find directions
  17. the stethoscope
  18. microscope
  19. True
  20. False
  21. True
  22. print many books
  23. the Wright brothers
  24. see faraway stars
  25. True
  26. calculator
  27. the telephone
  28. the smallpox vaccine
  29. True
  30. False
  31. René Laennec
  32. False
  33. the first aeroplane
  34. hear the heartbeat
  35. False
  36. True
  37. telescope
  38. the printing press
  39. talk to people far away
  40. False

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