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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 595 · 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) telescope (b) microscope (c) stethoscope (d) compass
  2. 2.What did René Laennec give us? (a) the stethoscope (b) the printing press (c) X-rays (d) the telephone
  3. 3.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) the Wright brothers
  4. 4.💡 Who gave us the stethoscope? (a) Edward Jenner (b) René Laennec (c) Louis Braille (d) Alessandro Volta
  5. 5.What does a stethoscope help us do? (a) see tiny germs (b) see faraway stars (c) hear the heartbeat (d) talk to people far away
  6. 6.True or false: René Laennec gave us the electric battery. (a) False (b) True
  7. 7.🔧 Which invention helps us hear the heartbeat? (a) printing press (b) thermometer (c) compass (d) stethoscope
  8. 8.True or false: a microscope helps us see tiny germs. (a) True (b) False
  9. 9.🔧 Which invention helps us talk to people far away? (a) printing press (b) telephone (c) microscope (d) clock
  10. 10.What did the Wright brothers give us? (a) the electric battery (b) penicillin (c) the first aeroplane (d) X-rays
  11. 11.💡 Who gave us X-rays? (a) Alessandro Volta (b) Alexander Fleming (c) Alexander Graham Bell (d) Wilhelm Röntgen
  12. 12.What does a printing press help us do? (a) print many books (b) hear the heartbeat (c) measure body temperature (d) do sums quickly
  13. 13.True or false: a calculator helps us measure body temperature. (a) False (b) True
  14. 14.🔧 Which invention helps us do sums quickly? (a) calculator (b) stethoscope (c) printing press (d) telephone
  15. 15.True or false: Louis Braille gave us the electric battery. (a) True (b) False
  16. 16.What did Edward Jenner give us? (a) penicillin (b) the first aeroplane (c) the smallpox vaccine (d) the electric battery
  17. 17.What does a clock help us do? (a) tell the time (b) see faraway stars (c) measure body temperature (d) find directions
  18. 18.True or false: a compass helps us find directions. (a) True (b) False
  19. 19.What did Alexander Fleming give us? (a) penicillin (b) the stethoscope (c) the printing press (d) raised-dot writing
  20. 20.True or false: the Wright brothers gave us the telephone. (a) False (b) True
  21. 21.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) the Wright brothers (c) Edward Jenner (d) Louis Braille
  22. 22.🔧 Which invention helps us see tiny germs? (a) compass (b) microscope (c) clock (d) stethoscope
  23. 23.💡 Who gave us raised-dot writing? (a) René Laennec (b) Johannes Gutenberg (c) Louis Braille (d) the Wright brothers
  24. 24.True or false: a calculator helps us see tiny germs. (a) True (b) False
  25. 25.True or false: Alexander Graham Bell gave us the stethoscope. (a) False (b) True
  26. 26.True or false: Alessandro Volta gave us the printing press. (a) False (b) True
  27. 27.What does a telephone help us do? (a) tell the time (b) see faraway stars (c) measure body temperature (d) talk to people far away
  28. 28.What did Alexander Graham Bell give us? (a) the telephone (b) the stethoscope (c) the first aeroplane (d) raised-dot writing
  29. 29.🔧 Which invention helps us find directions? (a) calculator (b) microscope (c) compass (d) thermometer
  30. 30.True or false: Edward Jenner gave us penicillin. (a) True (b) False
  31. 31.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  32. 32.💡 Who gave us the printing press? (a) Edward Jenner (b) René Laennec (c) Louis Braille (d) Johannes Gutenberg
  33. 33.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  34. 34.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  35. 35.🔧 Which invention helps us tell the time? (a) clock (b) thermometer (c) microscope (d) printing press
  36. 36.🔧 Which invention helps us print many books? (a) printing press (b) stethoscope (c) thermometer (d) microscope
  37. 37.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) the Wright brothers (d) Wilhelm Röntgen
  38. 38.True or false: René Laennec gave us the telephone. (a) False (b) True
  39. 39.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  40. 40.True or false: a thermometer helps us measure body temperature. (a) False (b) True

Answer key

  1. telescope
  2. the stethoscope
  3. the Wright brothers
  4. René Laennec
  5. hear the heartbeat
  6. False
  7. stethoscope
  8. True
  9. telephone
  10. the first aeroplane
  11. Wilhelm Röntgen
  12. print many books
  13. False
  14. calculator
  15. False
  16. the smallpox vaccine
  17. tell the time
  18. True
  19. penicillin
  20. False
  21. Edward Jenner
  22. microscope
  23. Louis Braille
  24. False
  25. False
  26. False
  27. talk to people far away
  28. the telephone
  29. compass
  30. False
  31. True
  32. Johannes Gutenberg
  33. False
  34. True
  35. clock
  36. printing press
  37. Alexander Graham Bell
  38. False
  39. True
  40. True

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