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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 160 · 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 talk to people far away. (a) False (b) True
  2. 2.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Edward Jenner (c) the Wright brothers (d) Alexander Graham Bell
  3. 3.What did Alexander Fleming give us? (a) penicillin (b) the stethoscope (c) the first aeroplane (d) the electric battery
  4. 4.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) True (b) False
  5. 5.True or false: a microscope helps us see faraway stars. (a) False (b) True
  6. 6.🔧 Which invention helps us print many books? (a) thermometer (b) printing press (c) telephone (d) microscope
  7. 7.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  8. 8.What did Alessandro Volta give us? (a) the smallpox vaccine (b) the stethoscope (c) the electric battery (d) the telephone
  9. 9.True or false: the Wright brothers gave us the stethoscope. (a) True (b) False
  10. 10.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) René Laennec (c) Alexander Fleming (d) Edward Jenner
  11. 11.What does a compass help us do? (a) find directions (b) see tiny germs (c) print many books (d) do sums quickly
  12. 12.What does a calculator help us do? (a) see tiny germs (b) print many books (c) find directions (d) do sums quickly
  13. 13.What did René Laennec give us? (a) the smallpox vaccine (b) X-rays (c) the stethoscope (d) the printing press
  14. 14.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  15. 15.What does a printing press help us do? (a) hear the heartbeat (b) do sums quickly (c) print many books (d) tell the time
  16. 16.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  17. 17.True or false: a microscope helps us find directions. (a) False (b) True
  18. 18.What does a stethoscope help us do? (a) measure body temperature (b) find directions (c) tell the time (d) hear the heartbeat
  19. 19.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  20. 20.What did Edward Jenner give us? (a) X-rays (b) the smallpox vaccine (c) the printing press (d) the first aeroplane
  21. 21.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) René Laennec (d) Alexander Fleming
  22. 22.True or false: Alexander Graham Bell gave us raised-dot writing. (a) False (b) True
  23. 23.🔧 Which invention helps us find directions? (a) thermometer (b) compass (c) telescope (d) printing press
  24. 24.What did Wilhelm Röntgen give us? (a) X-rays (b) the smallpox vaccine (c) the telephone (d) the printing press
  25. 25.What did Alexander Graham Bell give us? (a) penicillin (b) the electric battery (c) the telephone (d) the smallpox vaccine
  26. 26.What did the Wright brothers give us? (a) the first aeroplane (b) the telephone (c) the stethoscope (d) the electric battery
  27. 27.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Louis Braille (c) René Laennec (d) the Wright brothers
  28. 28.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) Edward Jenner (c) René Laennec (d) Johannes Gutenberg
  29. 29.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  30. 30.True or false: a telescope helps us see faraway stars. (a) False (b) True
  31. 31.🔧 Which invention helps us tell the time? (a) stethoscope (b) clock (c) calculator (d) telephone
  32. 32.💡 Who gave us the stethoscope? (a) the Wright brothers (b) Wilhelm Röntgen (c) René Laennec (d) Alexander Fleming
  33. 33.🔧 Which invention helps us do sums quickly? (a) thermometer (b) compass (c) stethoscope (d) calculator
  34. 34.🔧 Which invention helps us hear the heartbeat? (a) clock (b) microscope (c) stethoscope (d) telescope
  35. 35.True or false: Louis Braille gave us the stethoscope. (a) True (b) False
  36. 36.What does a clock help us do? (a) hear the heartbeat (b) find directions (c) tell the time (d) see faraway stars
  37. 37.What does a telescope help us do? (a) tell the time (b) hear the heartbeat (c) see faraway stars (d) talk to people far away
  38. 38.True or false: a thermometer helps us talk to people far away. (a) True (b) False
  39. 39.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  40. 40.True or false: a printing press helps us see tiny germs. (a) True (b) False

Answer key

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

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