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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 266 · 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.🔧 Which invention helps us measure body temperature? (a) telescope (b) printing press (c) stethoscope (d) thermometer
  2. 2.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Edward Jenner (c) Alessandro Volta (d) the Wright brothers
  3. 3.What does a thermometer help us do? (a) measure body temperature (b) find directions (c) see tiny germs (d) hear the heartbeat
  4. 4.🔧 Which invention helps us see faraway stars? (a) calculator (b) telescope (c) telephone (d) compass
  5. 5.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Alexander Fleming (c) Louis Braille (d) René Laennec
  6. 6.What did René Laennec give us? (a) the smallpox vaccine (b) the telephone (c) the printing press (d) the stethoscope
  7. 7.💡 Who gave us the telephone? (a) the Wright brothers (b) Johannes Gutenberg (c) Alexander Graham Bell (d) Wilhelm Röntgen
  8. 8.What does a compass help us do? (a) measure body temperature (b) find directions (c) see tiny germs (d) talk to people far away
  9. 9.What did the Wright brothers give us? (a) raised-dot writing (b) penicillin (c) the printing press (d) the first aeroplane
  10. 10.What did Johannes Gutenberg give us? (a) the telephone (b) the printing press (c) the stethoscope (d) penicillin
  11. 11.True or false: a calculator helps us do sums quickly. (a) False (b) True
  12. 12.What did Edward Jenner give us? (a) the telephone (b) raised-dot writing (c) the printing press (d) the smallpox vaccine
  13. 13.True or false: a compass helps us find directions. (a) True (b) False
  14. 14.True or false: a telescope helps us see faraway stars. (a) False (b) True
  15. 15.💡 Who gave us raised-dot writing? (a) René Laennec (b) Alexander Fleming (c) Wilhelm Röntgen (d) Louis Braille
  16. 16.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  17. 17.What did Alessandro Volta give us? (a) the smallpox vaccine (b) the first aeroplane (c) the telephone (d) the electric battery
  18. 18.What does a clock help us do? (a) tell the time (b) measure body temperature (c) do sums quickly (d) talk to people far away
  19. 19.What does a stethoscope help us do? (a) do sums quickly (b) hear the heartbeat (c) find directions (d) talk to people far away
  20. 20.💡 Who gave us X-rays? (a) Alexander Fleming (b) Alexander Graham Bell (c) Edward Jenner (d) Wilhelm Röntgen
  21. 21.What does a printing press help us do? (a) do sums quickly (b) hear the heartbeat (c) find directions (d) print many books
  22. 22.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Alexander Fleming (c) Edward Jenner (d) Wilhelm Röntgen
  23. 23.What does a calculator help us do? (a) measure body temperature (b) do sums quickly (c) tell the time (d) hear the heartbeat
  24. 24.🔧 Which invention helps us hear the heartbeat? (a) compass (b) microscope (c) stethoscope (d) thermometer
  25. 25.True or false: a telephone helps us measure body temperature. (a) True (b) False
  26. 26.💡 Who gave us the printing press? (a) Louis Braille (b) René Laennec (c) Johannes Gutenberg (d) Alessandro Volta
  27. 27.True or false: a microscope helps us do sums quickly. (a) False (b) True
  28. 28.What did Alexander Fleming give us? (a) the smallpox vaccine (b) the printing press (c) the telephone (d) penicillin
  29. 29.What did Alexander Graham Bell give us? (a) the electric battery (b) penicillin (c) the telephone (d) X-rays
  30. 30.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  31. 31.What does a telescope help us do? (a) measure body temperature (b) see faraway stars (c) do sums quickly (d) hear the heartbeat
  32. 32.🔧 Which invention helps us do sums quickly? (a) clock (b) printing press (c) calculator (d) thermometer
  33. 33.True or false: Alessandro Volta gave us the smallpox vaccine. (a) True (b) False
  34. 34.What did Louis Braille give us? (a) the printing press (b) the smallpox vaccine (c) the telephone (d) raised-dot writing
  35. 35.True or false: a clock helps us tell the time. (a) True (b) False
  36. 36.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) the Wright brothers (c) Alexander Graham Bell (d) René Laennec
  37. 37.🔧 Which invention helps us find directions? (a) thermometer (b) compass (c) calculator (d) stethoscope
  38. 38.True or false: a calculator helps us hear the heartbeat. (a) True (b) False
  39. 39.🔧 Which invention helps us print many books? (a) telephone (b) microscope (c) printing press (d) clock
  40. 40.True or false: a printing press helps us print many books. (a) True (b) False

Answer key

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

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