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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 421 · 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 see tiny germs? (a) thermometer (b) stethoscope (c) microscope (d) clock
  2. 2.What did Alexander Fleming give us? (a) the printing press (b) X-rays (c) the telephone (d) penicillin
  3. 3.💡 Who gave us the printing press? (a) Edward Jenner (b) Louis Braille (c) the Wright brothers (d) Johannes Gutenberg
  4. 4.What does a microscope help us do? (a) find directions (b) hear the heartbeat (c) do sums quickly (d) see tiny germs
  5. 5.True or false: a telephone helps us see faraway stars. (a) False (b) True
  6. 6.What did Alexander Graham Bell give us? (a) the telephone (b) the electric battery (c) the printing press (d) X-rays
  7. 7.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  8. 8.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  9. 9.What did Wilhelm Röntgen give us? (a) the stethoscope (b) penicillin (c) the electric battery (d) X-rays
  10. 10.True or false: a compass helps us see tiny germs. (a) True (b) False
  11. 11.True or false: a telescope helps us measure body temperature. (a) True (b) False
  12. 12.🔧 Which invention helps us see faraway stars? (a) thermometer (b) telescope (c) clock (d) printing press
  13. 13.What does a stethoscope help us do? (a) do sums quickly (b) hear the heartbeat (c) find directions (d) talk to people far away
  14. 14.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) Edward Jenner (c) the Wright brothers (d) Alexander Graham Bell
  15. 15.What does a telephone help us do? (a) talk to people far away (b) see tiny germs (c) print many books (d) tell the time
  16. 16.What does a calculator help us do? (a) tell the time (b) print many books (c) do sums quickly (d) see faraway stars
  17. 17.True or false: a compass helps us find directions. (a) True (b) False
  18. 18.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  19. 19.What did Edward Jenner give us? (a) the first aeroplane (b) the smallpox vaccine (c) the electric battery (d) the stethoscope
  20. 20.🔧 Which invention helps us print many books? (a) clock (b) printing press (c) telephone (d) telescope
  21. 21.💡 Who gave us the telephone? (a) Edward Jenner (b) René Laennec (c) the Wright brothers (d) Alexander Graham Bell
  22. 22.What did Louis Braille give us? (a) the printing press (b) the telephone (c) the first aeroplane (d) raised-dot writing
  23. 23.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) René Laennec (d) Louis Braille
  24. 24.What did the Wright brothers give us? (a) the first aeroplane (b) the telephone (c) raised-dot writing (d) the printing press
  25. 25.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  26. 26.🔧 Which invention helps us do sums quickly? (a) printing press (b) compass (c) calculator (d) microscope
  27. 27.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) René Laennec (c) Louis Braille (d) the Wright brothers
  28. 28.🔧 Which invention helps us talk to people far away? (a) telescope (b) compass (c) stethoscope (d) telephone
  29. 29.What does a thermometer help us do? (a) see faraway stars (b) see tiny germs (c) measure body temperature (d) tell the time
  30. 30.True or false: a calculator helps us hear the heartbeat. (a) False (b) True
  31. 31.True or false: Alexander Graham Bell gave us the stethoscope. (a) True (b) False
  32. 32.What did Johannes Gutenberg give us? (a) the first aeroplane (b) X-rays (c) the printing press (d) the smallpox vaccine
  33. 33.True or false: a microscope helps us see tiny germs. (a) True (b) False
  34. 34.True or false: a calculator helps us tell the time. (a) True (b) False
  35. 35.What does a printing press help us do? (a) do sums quickly (b) see faraway stars (c) hear the heartbeat (d) print many books
  36. 36.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  37. 37.💡 Who gave us the electric battery? (a) Edward Jenner (b) the Wright brothers (c) Louis Braille (d) Alessandro Volta
  38. 38.What does a clock help us do? (a) tell the time (b) see faraway stars (c) find directions (d) hear the heartbeat
  39. 39.True or false: a thermometer helps us talk to people far away. (a) True (b) False
  40. 40.True or false: a telescope helps us hear the heartbeat. (a) True (b) False

Answer key

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

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