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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 367 · 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 microscope helps us see tiny germs. (a) True (b) False
  2. 2.True or false: a calculator helps us tell the time. (a) True (b) False
  3. 3.What does a telescope help us do? (a) measure body temperature (b) tell the time (c) find directions (d) see faraway stars
  4. 4.True or false: a telephone helps us do sums quickly. (a) False (b) True
  5. 5.🔧 Which invention helps us find directions? (a) thermometer (b) microscope (c) compass (d) clock
  6. 6.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the electric battery (c) X-rays (d) the smallpox vaccine
  7. 7.What does a calculator help us do? (a) find directions (b) see faraway stars (c) see tiny germs (d) do sums quickly
  8. 8.What did Alessandro Volta give us? (a) the electric battery (b) raised-dot writing (c) X-rays (d) penicillin
  9. 9.🔧 Which invention helps us see faraway stars? (a) microscope (b) thermometer (c) telescope (d) compass
  10. 10.🔧 Which invention helps us hear the heartbeat? (a) clock (b) thermometer (c) stethoscope (d) telescope
  11. 11.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  12. 12.What does a thermometer help us do? (a) hear the heartbeat (b) talk to people far away (c) find directions (d) measure body temperature
  13. 13.True or false: Louis Braille gave us the first aeroplane. (a) True (b) False
  14. 14.True or false: a thermometer helps us find directions. (a) False (b) True
  15. 15.🔧 Which invention helps us measure body temperature? (a) printing press (b) thermometer (c) telephone (d) microscope
  16. 16.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) raised-dot writing (c) the printing press (d) the telephone
  17. 17.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Louis Braille (c) Alexander Graham Bell (d) the Wright brothers
  18. 18.True or false: a calculator helps us see tiny germs. (a) True (b) False
  19. 19.What does a telephone help us do? (a) measure body temperature (b) tell the time (c) talk to people far away (d) hear the heartbeat
  20. 20.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) thermometer (c) telephone (d) microscope
  21. 21.True or false: a thermometer helps us print many books. (a) False (b) True
  22. 22.True or false: Johannes Gutenberg gave us raised-dot writing. (a) False (b) True
  23. 23.True or false: a telephone helps us talk to people far away. (a) False (b) True
  24. 24.💡 Who gave us penicillin? (a) René Laennec (b) Wilhelm Röntgen (c) the Wright brothers (d) Alexander Fleming
  25. 25.True or false: Alessandro Volta gave us raised-dot writing. (a) True (b) False
  26. 26.True or false: Alexander Fleming gave us raised-dot writing. (a) False (b) True
  27. 27.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alexander Fleming (c) Johannes Gutenberg (d) Louis Braille
  28. 28.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) True (b) False
  29. 29.What did Louis Braille give us? (a) raised-dot writing (b) the stethoscope (c) the first aeroplane (d) the electric battery
  30. 30.True or false: Alexander Fleming gave us the first aeroplane. (a) False (b) True
  31. 31.💡 Who gave us the stethoscope? (a) Louis Braille (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) René Laennec
  32. 32.True or false: a calculator helps us do sums quickly. (a) True (b) False
  33. 33.True or false: a calculator helps us hear the heartbeat. (a) False (b) True
  34. 34.🔧 Which invention helps us tell the time? (a) clock (b) printing press (c) stethoscope (d) microscope
  35. 35.What does a stethoscope help us do? (a) find directions (b) hear the heartbeat (c) print many books (d) tell the time
  36. 36.💡 Who gave us X-rays? (a) Louis Braille (b) Wilhelm Röntgen (c) the Wright brothers (d) Alexander Fleming
  37. 37.True or false: a clock helps us tell the time. (a) True (b) False
  38. 38.True or false: a compass helps us find directions. (a) True (b) False
  39. 39.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) False (b) True
  40. 40.What did Johannes Gutenberg give us? (a) penicillin (b) the first aeroplane (c) the printing press (d) the smallpox vaccine

Answer key

  1. True
  2. False
  3. see faraway stars
  4. False
  5. compass
  6. X-rays
  7. do sums quickly
  8. the electric battery
  9. telescope
  10. stethoscope
  11. True
  12. measure body temperature
  13. False
  14. False
  15. thermometer
  16. the telephone
  17. Johannes Gutenberg
  18. False
  19. talk to people far away
  20. microscope
  21. False
  22. False
  23. True
  24. Alexander Fleming
  25. False
  26. False
  27. Alexander Graham Bell
  28. False
  29. raised-dot writing
  30. False
  31. René Laennec
  32. True
  33. False
  34. clock
  35. hear the heartbeat
  36. Wilhelm Röntgen
  37. True
  38. True
  39. False
  40. the printing press

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