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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 308 · 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 see faraway stars? (a) printing press (b) compass (c) telescope (d) thermometer
  2. 2.What does a compass help us do? (a) hear the heartbeat (b) see tiny germs (c) find directions (d) do sums quickly
  3. 3.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Alexander Fleming (c) Edward Jenner (d) Louis Braille
  4. 4.What does a stethoscope help us do? (a) tell the time (b) hear the heartbeat (c) see tiny germs (d) do sums quickly
  5. 5.True or false: a clock helps us do sums quickly. (a) True (b) False
  6. 6.💡 Who gave us penicillin? (a) the Wright brothers (b) Alexander Graham Bell (c) Louis Braille (d) Alexander Fleming
  7. 7.True or false: a clock helps us tell the time. (a) False (b) True
  8. 8.What does a telescope help us do? (a) tell the time (b) talk to people far away (c) print many books (d) see faraway stars
  9. 9.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) telephone (c) telescope (d) microscope
  10. 10.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  11. 11.What does a telephone help us do? (a) tell the time (b) see faraway stars (c) talk to people far away (d) hear the heartbeat
  12. 12.🔧 Which invention helps us print many books? (a) microscope (b) printing press (c) thermometer (d) compass
  13. 13.What did Alexander Graham Bell give us? (a) raised-dot writing (b) X-rays (c) the electric battery (d) the telephone
  14. 14.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the electric battery (c) X-rays (d) the printing press
  15. 15.True or false: a printing press helps us tell the time. (a) False (b) True
  16. 16.🔧 Which invention helps us see tiny germs? (a) calculator (b) clock (c) thermometer (d) microscope
  17. 17.What does a thermometer help us do? (a) do sums quickly (b) see faraway stars (c) measure body temperature (d) hear the heartbeat
  18. 18.What does a printing press help us do? (a) see tiny germs (b) talk to people far away (c) print many books (d) find directions
  19. 19.True or false: a microscope helps us tell the time. (a) False (b) True
  20. 20.What did René Laennec give us? (a) raised-dot writing (b) the telephone (c) the stethoscope (d) the first aeroplane
  21. 21.True or false: a printing press helps us see faraway stars. (a) False (b) True
  22. 22.True or false: Johannes Gutenberg gave us raised-dot writing. (a) True (b) False
  23. 23.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) thermometer (c) microscope (d) telephone
  24. 24.True or false: a telephone helps us talk to people far away. (a) False (b) True
  25. 25.True or false: Alexander Graham Bell gave us the printing press. (a) False (b) True
  26. 26.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  27. 27.🔧 Which invention helps us find directions? (a) compass (b) microscope (c) thermometer (d) stethoscope
  28. 28.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  29. 29.What does a calculator help us do? (a) measure body temperature (b) see tiny germs (c) tell the time (d) do sums quickly
  30. 30.💡 Who gave us the telephone? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Alexander Fleming (d) Alexander Graham Bell
  31. 31.True or false: Alexander Fleming gave us raised-dot writing. (a) True (b) False
  32. 32.True or false: a telescope helps us see faraway stars. (a) True (b) False
  33. 33.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  34. 34.💡 Who gave us the printing press? (a) Louis Braille (b) the Wright brothers (c) Johannes Gutenberg (d) Alexander Fleming
  35. 35.💡 Who gave us the stethoscope? (a) Alexander Fleming (b) the Wright brothers (c) René Laennec (d) Wilhelm Röntgen
  36. 36.True or false: Johannes Gutenberg gave us the telephone. (a) False (b) True
  37. 37.What did Johannes Gutenberg give us? (a) the stethoscope (b) raised-dot writing (c) the electric battery (d) the printing press
  38. 38.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  39. 39.True or false: René Laennec gave us the first aeroplane. (a) True (b) False
  40. 40.What did Edward Jenner give us? (a) X-rays (b) the electric battery (c) the smallpox vaccine (d) the stethoscope

Answer key

  1. telescope
  2. find directions
  3. Edward Jenner
  4. hear the heartbeat
  5. False
  6. Alexander Fleming
  7. True
  8. see faraway stars
  9. stethoscope
  10. True
  11. talk to people far away
  12. printing press
  13. the telephone
  14. X-rays
  15. False
  16. microscope
  17. measure body temperature
  18. print many books
  19. False
  20. the stethoscope
  21. False
  22. False
  23. thermometer
  24. True
  25. False
  26. True
  27. compass
  28. True
  29. do sums quickly
  30. Alexander Graham Bell
  31. False
  32. True
  33. True
  34. Johannes Gutenberg
  35. René Laennec
  36. False
  37. the printing press
  38. False
  39. False
  40. the smallpox vaccine

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