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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 546 · 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 microscope help us do? (a) see tiny germs (b) talk to people far away (c) find directions (d) see faraway stars
  2. 2.What does a calculator help us do? (a) print many books (b) see tiny germs (c) do sums quickly (d) see faraway stars
  3. 3.💡 Who gave us the electric battery? (a) René Laennec (b) Alexander Graham Bell (c) Alessandro Volta (d) Louis Braille
  4. 4.What did Johannes Gutenberg give us? (a) the electric battery (b) X-rays (c) penicillin (d) the printing press
  5. 5.🔧 Which invention helps us measure body temperature? (a) telescope (b) thermometer (c) stethoscope (d) microscope
  6. 6.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  7. 7.True or false: Louis Braille gave us the first aeroplane. (a) False (b) True
  8. 8.What did Edward Jenner give us? (a) the stethoscope (b) penicillin (c) the telephone (d) the smallpox vaccine
  9. 9.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  10. 10.What did the Wright brothers give us? (a) the printing press (b) the first aeroplane (c) X-rays (d) the smallpox vaccine
  11. 11.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) printing press (c) clock (d) calculator
  12. 12.What does a thermometer help us do? (a) talk to people far away (b) measure body temperature (c) hear the heartbeat (d) see tiny germs
  13. 13.True or false: a clock helps us tell the time. (a) True (b) False
  14. 14.True or false: the Wright brothers gave us raised-dot writing. (a) True (b) False
  15. 15.True or false: a microscope helps us see tiny germs. (a) False (b) True
  16. 16.What did Alexander Graham Bell give us? (a) the electric battery (b) the smallpox vaccine (c) the telephone (d) the first aeroplane
  17. 17.What does a telephone help us do? (a) talk to people far away (b) tell the time (c) measure body temperature (d) see faraway stars
  18. 18.True or false: the Wright brothers gave us X-rays. (a) True (b) False
  19. 19.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) René Laennec (c) Johannes Gutenberg (d) the Wright brothers
  20. 20.True or false: a telescope helps us see tiny germs. (a) False (b) True
  21. 21.💡 Who gave us X-rays? (a) Alessandro Volta (b) Louis Braille (c) René Laennec (d) Wilhelm Röntgen
  22. 22.What does a compass help us do? (a) find directions (b) talk to people far away (c) tell the time (d) measure body temperature
  23. 23.True or false: a telephone helps us talk to people far away. (a) True (b) False
  24. 24.True or false: the Wright brothers gave us the printing press. (a) False (b) True
  25. 25.True or false: a telescope helps us see faraway stars. (a) False (b) True
  26. 26.What does a stethoscope help us do? (a) measure body temperature (b) talk to people far away (c) hear the heartbeat (d) print many books
  27. 27.What did Louis Braille give us? (a) the printing press (b) raised-dot writing (c) the stethoscope (d) the smallpox vaccine
  28. 28.True or false: Alexander Fleming gave us the electric battery. (a) False (b) True
  29. 29.🔧 Which invention helps us hear the heartbeat? (a) clock (b) telescope (c) stethoscope (d) telephone
  30. 30.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Louis Braille (c) Alexander Fleming (d) René Laennec
  31. 31.What does a telescope help us do? (a) see tiny germs (b) talk to people far away (c) print many books (d) see faraway stars
  32. 32.True or false: a calculator helps us print many books. (a) True (b) False
  33. 33.True or false: René Laennec gave us the telephone. (a) True (b) False
  34. 34.True or false: a telescope helps us hear the heartbeat. (a) True (b) False
  35. 35.True or false: René Laennec gave us X-rays. (a) False (b) True
  36. 36.True or false: Johannes Gutenberg gave us raised-dot writing. (a) True (b) False
  37. 37.What did Alexander Fleming give us? (a) the telephone (b) the smallpox vaccine (c) penicillin (d) the first aeroplane
  38. 38.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  39. 39.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  40. 40.🔧 Which invention helps us talk to people far away? (a) printing press (b) telephone (c) stethoscope (d) thermometer

Answer key

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

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