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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 73 · 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.What does a compass help us do? (a) do sums quickly (b) find directions (c) tell the time (d) see tiny germs
  2. 2.What did René Laennec give us? (a) the printing press (b) the telephone (c) X-rays (d) the stethoscope
  3. 3.True or false: a thermometer helps us print many books. (a) True (b) False
  4. 4.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  5. 5.What did Louis Braille give us? (a) penicillin (b) raised-dot writing (c) the first aeroplane (d) X-rays
  6. 6.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  7. 7.What does a printing press help us do? (a) see faraway stars (b) find directions (c) print many books (d) do sums quickly
  8. 8.🔧 Which invention helps us see faraway stars? (a) microscope (b) telescope (c) calculator (d) clock
  9. 9.💡 Who gave us the stethoscope? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) René Laennec
  10. 10.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Louis Braille (c) Alessandro Volta (d) Wilhelm Röntgen
  11. 11.🔧 Which invention helps us see tiny germs? (a) clock (b) telescope (c) microscope (d) stethoscope
  12. 12.True or false: Johannes Gutenberg gave us the first aeroplane. (a) False (b) True
  13. 13.True or false: René Laennec gave us penicillin. (a) True (b) False
  14. 14.What does a telephone help us do? (a) talk to people far away (b) see tiny germs (c) measure body temperature (d) do sums quickly
  15. 15.What did Alessandro Volta give us? (a) the printing press (b) the electric battery (c) X-rays (d) the smallpox vaccine
  16. 16.🔧 Which invention helps us measure body temperature? (a) microscope (b) thermometer (c) compass (d) clock
  17. 17.What does a clock help us do? (a) tell the time (b) see tiny germs (c) measure body temperature (d) print many books
  18. 18.🔧 Which invention helps us tell the time? (a) stethoscope (b) telescope (c) telephone (d) clock
  19. 19.What does a microscope help us do? (a) talk to people far away (b) hear the heartbeat (c) do sums quickly (d) see tiny germs
  20. 20.True or false: a stethoscope helps us print many books. (a) True (b) False
  21. 21.True or false: a calculator helps us find directions. (a) False (b) True
  22. 22.What did Alexander Graham Bell give us? (a) penicillin (b) the printing press (c) the telephone (d) the first aeroplane
  23. 23.What does a thermometer help us do? (a) tell the time (b) find directions (c) see tiny germs (d) measure body temperature
  24. 24.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  25. 25.True or false: a telephone helps us talk to people far away. (a) False (b) True
  26. 26.What did Alexander Fleming give us? (a) penicillin (b) the first aeroplane (c) the electric battery (d) X-rays
  27. 27.What did Edward Jenner give us? (a) raised-dot writing (b) penicillin (c) the telephone (d) the smallpox vaccine
  28. 28.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alexander Graham Bell (c) René Laennec (d) Alessandro Volta
  29. 29.True or false: a calculator helps us do sums quickly. (a) True (b) False
  30. 30.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  31. 31.True or false: the Wright brothers gave us raised-dot writing. (a) True (b) False
  32. 32.🔧 Which invention helps us hear the heartbeat? (a) clock (b) microscope (c) stethoscope (d) telephone
  33. 33.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  34. 34.True or false: a clock helps us tell the time. (a) False (b) True
  35. 35.True or false: René Laennec gave us the printing press. (a) True (b) False
  36. 36.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) the Wright brothers (d) Wilhelm Röntgen
  37. 37.🔧 Which invention helps us print many books? (a) thermometer (b) clock (c) microscope (d) printing press
  38. 38.True or false: a telescope helps us see faraway stars. (a) True (b) False
  39. 39.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Alexander Fleming
  40. 40.🔧 Which invention helps us talk to people far away? (a) microscope (b) clock (c) calculator (d) telephone

Answer key

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

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