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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 946 · 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: the Wright brothers gave us the first aeroplane. (a) False (b) True
  2. 2.True or false: Alexander Fleming gave us the electric battery. (a) False (b) True
  3. 3.True or false: a telescope helps us find directions. (a) False (b) True
  4. 4.True or false: a compass helps us print many books. (a) True (b) False
  5. 5.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  6. 6.What did Alexander Fleming give us? (a) penicillin (b) the stethoscope (c) the smallpox vaccine (d) the telephone
  7. 7.🔧 Which invention helps us do sums quickly? (a) compass (b) stethoscope (c) calculator (d) microscope
  8. 8.True or false: a compass helps us find directions. (a) True (b) False
  9. 9.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the electric battery (c) the first aeroplane (d) X-rays
  10. 10.What does a stethoscope help us do? (a) tell the time (b) hear the heartbeat (c) talk to people far away (d) find directions
  11. 11.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) Edward Jenner (c) René Laennec (d) Alessandro Volta
  12. 12.What did Alexander Graham Bell give us? (a) penicillin (b) the first aeroplane (c) the smallpox vaccine (d) the telephone
  13. 13.True or false: a telescope helps us see faraway stars. (a) True (b) False
  14. 14.True or false: the Wright brothers gave us the printing press. (a) False (b) True
  15. 15.True or false: Alexander Graham Bell gave us the printing press. (a) True (b) False
  16. 16.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  17. 17.True or false: René Laennec gave us the first aeroplane. (a) True (b) False
  18. 18.True or false: Johannes Gutenberg gave us the first aeroplane. (a) False (b) True
  19. 19.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  20. 20.💡 Who gave us penicillin? (a) Alexander Fleming (b) René Laennec (c) Alexander Graham Bell (d) the Wright brothers
  21. 21.What did Alessandro Volta give us? (a) the electric battery (b) X-rays (c) penicillin (d) the first aeroplane
  22. 22.True or false: Alexander Graham Bell gave us raised-dot writing. (a) False (b) True
  23. 23.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  24. 24.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Edward Jenner (c) René Laennec (d) the Wright brothers
  25. 25.🔧 Which invention helps us talk to people far away? (a) thermometer (b) telescope (c) compass (d) telephone
  26. 26.💡 Who gave us the printing press? (a) Louis Braille (b) René Laennec (c) the Wright brothers (d) Johannes Gutenberg
  27. 27.What does a telephone help us do? (a) hear the heartbeat (b) see faraway stars (c) talk to people far away (d) see tiny germs
  28. 28.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) thermometer (c) printing press (d) microscope
  29. 29.🔧 Which invention helps us find directions? (a) stethoscope (b) telephone (c) clock (d) compass
  30. 30.🔧 Which invention helps us see faraway stars? (a) compass (b) thermometer (c) telescope (d) stethoscope
  31. 31.What did Louis Braille give us? (a) raised-dot writing (b) the printing press (c) the smallpox vaccine (d) penicillin
  32. 32.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) René Laennec (c) Alexander Graham Bell (d) the Wright brothers
  33. 33.True or false: Edward Jenner gave us raised-dot writing. (a) True (b) False
  34. 34.What does a compass help us do? (a) see tiny germs (b) hear the heartbeat (c) see faraway stars (d) find directions
  35. 35.What does a thermometer help us do? (a) see faraway stars (b) talk to people far away (c) measure body temperature (d) print many books
  36. 36.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  37. 37.True or false: René Laennec gave us the smallpox vaccine. (a) False (b) True
  38. 38.True or false: Alexander Fleming gave us raised-dot writing. (a) False (b) True
  39. 39.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) Wilhelm Röntgen (c) Louis Braille (d) René Laennec
  40. 40.True or false: a telephone helps us talk to people far away. (a) True (b) False

Answer key

  1. True
  2. False
  3. False
  4. False
  5. False
  6. penicillin
  7. calculator
  8. True
  9. X-rays
  10. hear the heartbeat
  11. Edward Jenner
  12. the telephone
  13. True
  14. False
  15. False
  16. True
  17. False
  18. False
  19. True
  20. Alexander Fleming
  21. the electric battery
  22. False
  23. True
  24. Alexander Graham Bell
  25. telephone
  26. Johannes Gutenberg
  27. talk to people far away
  28. microscope
  29. compass
  30. telescope
  31. raised-dot writing
  32. the Wright brothers
  33. False
  34. find directions
  35. measure body temperature
  36. True
  37. False
  38. False
  39. Louis Braille
  40. True

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