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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 926 · 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) microscope (b) thermometer (c) compass (d) printing press
  2. 2.True or false: a thermometer helps us see faraway stars. (a) True (b) False
  3. 3.🔧 Which invention helps us see faraway stars? (a) telescope (b) printing press (c) compass (d) telephone
  4. 4.What did Johannes Gutenberg give us? (a) penicillin (b) the stethoscope (c) raised-dot writing (d) the printing press
  5. 5.What does a telescope help us do? (a) do sums quickly (b) see tiny germs (c) see faraway stars (d) talk to people far away
  6. 6.🔧 Which invention helps us print many books? (a) microscope (b) printing press (c) telephone (d) calculator
  7. 7.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) René Laennec (c) Louis Braille (d) Johannes Gutenberg
  8. 8.💡 Who gave us penicillin? (a) Louis Braille (b) Johannes Gutenberg (c) Alexander Fleming (d) Alessandro Volta
  9. 9.True or false: a clock helps us tell the time. (a) False (b) True
  10. 10.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  11. 11.True or false: a thermometer helps us find directions. (a) True (b) False
  12. 12.🔧 Which invention helps us find directions? (a) telescope (b) printing press (c) compass (d) telephone
  13. 13.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Louis Braille
  14. 14.True or false: a telescope helps us see faraway stars. (a) False (b) True
  15. 15.True or false: a compass helps us see faraway stars. (a) False (b) True
  16. 16.What did Louis Braille give us? (a) the telephone (b) raised-dot writing (c) penicillin (d) the electric battery
  17. 17.True or false: a microscope helps us talk to people far away. (a) False (b) True
  18. 18.💡 Who gave us X-rays? (a) Alessandro Volta (b) Alexander Fleming (c) Wilhelm Röntgen (d) Edward Jenner
  19. 19.True or false: a printing press helps us print many books. (a) False (b) True
  20. 20.💡 Who gave us the smallpox vaccine? (a) René Laennec (b) the Wright brothers (c) Alexander Graham Bell (d) Edward Jenner
  21. 21.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Edward Jenner (d) the Wright brothers
  22. 22.What does a clock help us do? (a) talk to people far away (b) tell the time (c) hear the heartbeat (d) print many books
  23. 23.True or false: a telephone helps us hear the heartbeat. (a) True (b) False
  24. 24.What did Alessandro Volta give us? (a) X-rays (b) raised-dot writing (c) the telephone (d) the electric battery
  25. 25.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  26. 26.True or false: the Wright brothers gave us the printing press. (a) False (b) True
  27. 27.What did the Wright brothers give us? (a) the stethoscope (b) the smallpox vaccine (c) raised-dot writing (d) the first aeroplane
  28. 28.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  29. 29.What did Alexander Graham Bell give us? (a) the telephone (b) the electric battery (c) raised-dot writing (d) penicillin
  30. 30.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  31. 31.What does a microscope help us do? (a) hear the heartbeat (b) talk to people far away (c) see tiny germs (d) measure body temperature
  32. 32.🔧 Which invention helps us talk to people far away? (a) compass (b) calculator (c) thermometer (d) telephone
  33. 33.💡 Who gave us the stethoscope? (a) Louis Braille (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) René Laennec
  34. 34.What does a calculator help us do? (a) talk to people far away (b) see faraway stars (c) tell the time (d) do sums quickly
  35. 35.True or false: the Wright brothers gave us the stethoscope. (a) False (b) True
  36. 36.True or false: Alexander Graham Bell gave us the first aeroplane. (a) True (b) False
  37. 37.What does a printing press help us do? (a) hear the heartbeat (b) find directions (c) do sums quickly (d) print many books
  38. 38.True or false: a compass helps us find directions. (a) False (b) True
  39. 39.What did René Laennec give us? (a) the telephone (b) the electric battery (c) the stethoscope (d) the first aeroplane
  40. 40.What does a thermometer help us do? (a) see faraway stars (b) print many books (c) measure body temperature (d) see tiny germs

Answer key

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

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