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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 183 · 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 calculator helps us do sums quickly. (a) False (b) True
  2. 2.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Edward Jenner (c) René Laennec (d) Wilhelm Röntgen
  3. 3.🔧 Which invention helps us do sums quickly? (a) calculator (b) telescope (c) microscope (d) printing press
  4. 4.🔧 Which invention helps us measure body temperature? (a) compass (b) telescope (c) thermometer (d) clock
  5. 5.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Johannes Gutenberg (c) Alexander Graham Bell (d) Wilhelm Röntgen
  6. 6.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  7. 7.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) the Wright brothers (c) Edward Jenner (d) Johannes Gutenberg
  8. 8.🔧 Which invention helps us hear the heartbeat? (a) telescope (b) stethoscope (c) calculator (d) thermometer
  9. 9.💡 Who gave us penicillin? (a) Edward Jenner (b) Wilhelm Röntgen (c) Louis Braille (d) Alexander Fleming
  10. 10.What did the Wright brothers give us? (a) the electric battery (b) the smallpox vaccine (c) the telephone (d) the first aeroplane
  11. 11.💡 Who gave us X-rays? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Louis Braille (d) Alexander Graham Bell
  12. 12.What does a stethoscope help us do? (a) see tiny germs (b) hear the heartbeat (c) print many books (d) see faraway stars
  13. 13.🔧 Which invention helps us see faraway stars? (a) clock (b) thermometer (c) telescope (d) microscope
  14. 14.True or false: Alexander Graham Bell gave us raised-dot writing. (a) False (b) True
  15. 15.True or false: a compass helps us talk to people far away. (a) True (b) False
  16. 16.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) Alexander Fleming (c) René Laennec (d) the Wright brothers
  17. 17.What does a compass help us do? (a) do sums quickly (b) see faraway stars (c) measure body temperature (d) find directions
  18. 18.True or false: Alessandro Volta gave us the printing press. (a) True (b) False
  19. 19.What does a calculator help us do? (a) talk to people far away (b) print many books (c) do sums quickly (d) see faraway stars
  20. 20.What does a printing press help us do? (a) see faraway stars (b) see tiny germs (c) tell the time (d) print many books
  21. 21.🔧 Which invention helps us print many books? (a) telephone (b) printing press (c) compass (d) microscope
  22. 22.True or false: a calculator helps us hear the heartbeat. (a) False (b) True
  23. 23.🔧 Which invention helps us tell the time? (a) compass (b) stethoscope (c) telephone (d) clock
  24. 24.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Louis Braille (d) René Laennec
  25. 25.What did Louis Braille give us? (a) the stethoscope (b) raised-dot writing (c) the electric battery (d) the telephone
  26. 26.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  27. 27.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) X-rays (c) the telephone (d) penicillin
  28. 28.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  29. 29.True or false: a thermometer helps us find directions. (a) True (b) False
  30. 30.True or false: a clock helps us measure body temperature. (a) True (b) False
  31. 31.What did Edward Jenner give us? (a) the telephone (b) the smallpox vaccine (c) penicillin (d) the stethoscope
  32. 32.What does a telescope help us do? (a) hear the heartbeat (b) see faraway stars (c) tell the time (d) talk to people far away
  33. 33.True or false: Alessandro Volta gave us X-rays. (a) False (b) True
  34. 34.💡 Who gave us the printing press? (a) Edward Jenner (b) Johannes Gutenberg (c) Alexander Graham Bell (d) Wilhelm Röntgen
  35. 35.What did Alexander Fleming give us? (a) the first aeroplane (b) the telephone (c) penicillin (d) the stethoscope
  36. 36.🔧 Which invention helps us talk to people far away? (a) calculator (b) clock (c) telephone (d) thermometer
  37. 37.True or false: a telephone helps us measure body temperature. (a) True (b) False
  38. 38.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  39. 39.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  40. 40.What did Alessandro Volta give us? (a) the first aeroplane (b) raised-dot writing (c) the telephone (d) the electric battery

Answer key

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

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