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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 498 · 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 clock helps us find directions. (a) False (b) True
  2. 2.What does a thermometer help us do? (a) print many books (b) tell the time (c) find directions (d) measure body temperature
  3. 3.🔧 Which invention helps us do sums quickly? (a) telephone (b) calculator (c) compass (d) printing press
  4. 4.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  5. 5.What did Alessandro Volta give us? (a) penicillin (b) the electric battery (c) the telephone (d) the printing press
  6. 6.What did René Laennec give us? (a) the smallpox vaccine (b) the stethoscope (c) penicillin (d) X-rays
  7. 7.💡 Who gave us X-rays? (a) Louis Braille (b) Alexander Fleming (c) the Wright brothers (d) Wilhelm Röntgen
  8. 8.What did the Wright brothers give us? (a) the telephone (b) the first aeroplane (c) the stethoscope (d) the smallpox vaccine
  9. 9.What does a stethoscope help us do? (a) measure body temperature (b) talk to people far away (c) tell the time (d) hear the heartbeat
  10. 10.True or false: a calculator helps us do sums quickly. (a) True (b) False
  11. 11.True or false: Alexander Fleming gave us the telephone. (a) True (b) False
  12. 12.What does a compass help us do? (a) measure body temperature (b) see tiny germs (c) see faraway stars (d) find directions
  13. 13.🔧 Which invention helps us see faraway stars? (a) calculator (b) thermometer (c) compass (d) telescope
  14. 14.💡 Who gave us the printing press? (a) the Wright brothers (b) René Laennec (c) Johannes Gutenberg (d) Alexander Graham Bell
  15. 15.True or false: a compass helps us find directions. (a) False (b) True
  16. 16.True or false: a telescope helps us see faraway stars. (a) True (b) False
  17. 17.True or false: Edward Jenner gave us X-rays. (a) False (b) True
  18. 18.💡 Who gave us the stethoscope? (a) René Laennec (b) Alexander Graham Bell (c) Louis Braille (d) Johannes Gutenberg
  19. 19.What does a telescope help us do? (a) hear the heartbeat (b) see faraway stars (c) print many books (d) talk to people far away
  20. 20.🔧 Which invention helps us find directions? (a) telescope (b) printing press (c) compass (d) telephone
  21. 21.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  22. 22.True or false: a telescope helps us measure body temperature. (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 the electric battery? (a) René Laennec (b) Alessandro Volta (c) Louis Braille (d) Wilhelm Röntgen
  25. 25.True or false: Alexander Fleming gave us X-rays. (a) False (b) True
  26. 26.What does a printing press help us do? (a) see faraway stars (b) print many books (c) do sums quickly (d) tell the time
  27. 27.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Louis Braille (d) the Wright brothers
  28. 28.💡 Who gave us the telephone? (a) Louis Braille (b) Alexander Graham Bell (c) Johannes Gutenberg (d) René Laennec
  29. 29.What did Edward Jenner give us? (a) the telephone (b) the printing press (c) the smallpox vaccine (d) the first aeroplane
  30. 30.What did Wilhelm Röntgen give us? (a) the electric battery (b) X-rays (c) the telephone (d) the stethoscope
  31. 31.What did Johannes Gutenberg give us? (a) the electric battery (b) the smallpox vaccine (c) penicillin (d) the printing press
  32. 32.💡 Who gave us penicillin? (a) René Laennec (b) Alexander Fleming (c) Alessandro Volta (d) Johannes Gutenberg
  33. 33.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) True (b) False
  34. 34.True or false: a thermometer helps us find directions. (a) False (b) True
  35. 35.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) clock (c) thermometer (d) microscope
  36. 36.True or false: a clock helps us print many books. (a) False (b) True
  37. 37.🔧 Which invention helps us measure body temperature? (a) telephone (b) printing press (c) thermometer (d) stethoscope
  38. 38.True or false: a stethoscope helps us see tiny germs. (a) False (b) True
  39. 39.What did Louis Braille give us? (a) the stethoscope (b) X-rays (c) the first aeroplane (d) raised-dot writing
  40. 40.What does a calculator help us do? (a) do sums quickly (b) find directions (c) see tiny germs (d) print many books

Answer key

  1. False
  2. measure body temperature
  3. calculator
  4. True
  5. the electric battery
  6. the stethoscope
  7. Wilhelm Röntgen
  8. the first aeroplane
  9. hear the heartbeat
  10. True
  11. False
  12. find directions
  13. telescope
  14. Johannes Gutenberg
  15. True
  16. True
  17. False
  18. René Laennec
  19. see faraway stars
  20. compass
  21. True
  22. False
  23. True
  24. Alessandro Volta
  25. False
  26. print many books
  27. Louis Braille
  28. Alexander Graham Bell
  29. the smallpox vaccine
  30. X-rays
  31. the printing press
  32. Alexander Fleming
  33. False
  34. False
  35. stethoscope
  36. False
  37. thermometer
  38. False
  39. raised-dot writing
  40. do sums quickly

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