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Class 4 GK Worksheet: Inventions and Inventors

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

Answer key

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

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