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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 248 · 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 find directions. (a) True (b) False
  2. 2.True or false: a thermometer helps us see faraway stars. (a) True (b) False
  3. 3.What does a stethoscope help us do? (a) talk to people far away (b) print many books (c) see tiny germs (d) hear the heartbeat
  4. 4.What does a telephone help us do? (a) hear the heartbeat (b) measure body temperature (c) see faraway stars (d) talk to people far away
  5. 5.What did Alexander Fleming give us? (a) the first aeroplane (b) the telephone (c) the stethoscope (d) penicillin
  6. 6.🔧 Which invention helps us see faraway stars? (a) telephone (b) thermometer (c) printing press (d) telescope
  7. 7.What did Alexander Graham Bell give us? (a) X-rays (b) raised-dot writing (c) the printing press (d) the telephone
  8. 8.True or false: a telephone helps us tell the time. (a) False (b) True
  9. 9.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Johannes Gutenberg (c) the Wright brothers (d) Louis Braille
  10. 10.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  11. 11.What does a thermometer help us do? (a) hear the heartbeat (b) measure body temperature (c) find directions (d) see tiny germs
  12. 12.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) the Wright brothers (c) René Laennec (d) Edward Jenner
  13. 13.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  14. 14.True or false: a microscope helps us measure body temperature. (a) False (b) True
  15. 15.💡 Who gave us the telephone? (a) Alessandro Volta (b) Alexander Graham Bell (c) Alexander Fleming (d) Johannes Gutenberg
  16. 16.🔧 Which invention helps us measure body temperature? (a) printing press (b) microscope (c) telephone (d) thermometer
  17. 17.🔧 Which invention helps us do sums quickly? (a) telephone (b) calculator (c) clock (d) microscope
  18. 18.True or false: René Laennec gave us X-rays. (a) False (b) True
  19. 19.What did Johannes Gutenberg give us? (a) the smallpox vaccine (b) the telephone (c) the first aeroplane (d) the printing press
  20. 20.True or false: a telephone helps us talk to people far away. (a) False (b) True
  21. 21.🔧 Which invention helps us talk to people far away? (a) compass (b) telephone (c) thermometer (d) telescope
  22. 22.What does a calculator help us do? (a) tell the time (b) hear the heartbeat (c) see faraway stars (d) do sums quickly
  23. 23.💡 Who gave us raised-dot writing? (a) René Laennec (b) Alexander Graham Bell (c) Louis Braille (d) Alessandro Volta
  24. 24.What did Wilhelm Röntgen give us? (a) X-rays (b) raised-dot writing (c) the stethoscope (d) the printing press
  25. 25.What does a clock help us do? (a) hear the heartbeat (b) tell the time (c) find directions (d) see faraway stars
  26. 26.💡 Who gave us the electric battery? (a) Alessandro Volta (b) René Laennec (c) Alexander Fleming (d) the Wright brothers
  27. 27.True or false: a clock helps us measure body temperature. (a) True (b) False
  28. 28.🔧 Which invention helps us tell the time? (a) compass (b) microscope (c) calculator (d) clock
  29. 29.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  30. 30.What did Alessandro Volta give us? (a) the first aeroplane (b) the telephone (c) the stethoscope (d) the electric battery
  31. 31.🔧 Which invention helps us see tiny germs? (a) microscope (b) telephone (c) clock (d) printing press
  32. 32.What did Edward Jenner give us? (a) the smallpox vaccine (b) the stethoscope (c) the first aeroplane (d) X-rays
  33. 33.💡 Who gave us penicillin? (a) Alexander Fleming (b) Louis Braille (c) Wilhelm Röntgen (d) the Wright brothers
  34. 34.🔧 Which invention helps us print many books? (a) telescope (b) clock (c) stethoscope (d) printing press
  35. 35.What does a compass help us do? (a) hear the heartbeat (b) tell the time (c) find directions (d) print many books
  36. 36.What did René Laennec give us? (a) raised-dot writing (b) the stethoscope (c) penicillin (d) the telephone
  37. 37.💡 Who gave us X-rays? (a) René Laennec (b) Louis Braille (c) Wilhelm Röntgen (d) Alexander Graham Bell
  38. 38.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  39. 39.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  40. 40.True or false: a telephone helps us see faraway stars. (a) True (b) False

Answer key

  1. False
  2. False
  3. hear the heartbeat
  4. talk to people far away
  5. penicillin
  6. telescope
  7. the telephone
  8. False
  9. Edward Jenner
  10. True
  11. measure body temperature
  12. the Wright brothers
  13. True
  14. False
  15. Alexander Graham Bell
  16. thermometer
  17. calculator
  18. False
  19. the printing press
  20. True
  21. telephone
  22. do sums quickly
  23. Louis Braille
  24. X-rays
  25. tell the time
  26. Alessandro Volta
  27. False
  28. clock
  29. True
  30. the electric battery
  31. microscope
  32. the smallpox vaccine
  33. Alexander Fleming
  34. printing press
  35. find directions
  36. the stethoscope
  37. Wilhelm Röntgen
  38. True
  39. True
  40. False

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