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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 120 · 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.What does a compass help us do? (a) see faraway stars (b) tell the time (c) talk to people far away (d) find directions
  2. 2.What does a telescope help us do? (a) measure body temperature (b) do sums quickly (c) see faraway stars (d) hear the heartbeat
  3. 3.🔧 Which invention helps us see tiny germs? (a) telescope (b) telephone (c) calculator (d) microscope
  4. 4.True or false: Louis Braille gave us the telephone. (a) True (b) False
  5. 5.True or false: a microscope helps us see tiny germs. (a) False (b) True
  6. 6.🔧 Which invention helps us find directions? (a) clock (b) compass (c) calculator (d) stethoscope
  7. 7.True or false: a calculator helps us do sums quickly. (a) False (b) True
  8. 8.💡 Who gave us X-rays? (a) Louis Braille (b) Alexander Fleming (c) René Laennec (d) Wilhelm Röntgen
  9. 9.What does a printing press help us do? (a) print many books (b) see faraway stars (c) talk to people far away (d) do sums quickly
  10. 10.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alexander Fleming (c) the Wright brothers (d) Johannes Gutenberg
  11. 11.💡 Who gave us the printing press? (a) René Laennec (b) Johannes Gutenberg (c) Louis Braille (d) the Wright brothers
  12. 12.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  13. 13.What did Alessandro Volta give us? (a) the telephone (b) penicillin (c) raised-dot writing (d) the electric battery
  14. 14.True or false: a microscope helps us find directions. (a) False (b) True
  15. 15.True or false: a compass helps us tell the time. (a) True (b) False
  16. 16.💡 Who gave us the electric battery? (a) Louis Braille (b) René Laennec (c) Edward Jenner (d) Alessandro Volta
  17. 17.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  18. 18.What did Louis Braille give us? (a) the stethoscope (b) raised-dot writing (c) penicillin (d) the telephone
  19. 19.True or false: the Wright brothers gave us the stethoscope. (a) True (b) False
  20. 20.True or false: a calculator helps us see tiny germs. (a) False (b) True
  21. 21.What did Wilhelm Röntgen give us? (a) X-rays (b) the electric battery (c) the first aeroplane (d) raised-dot writing
  22. 22.What does a calculator help us do? (a) print many books (b) tell the time (c) see faraway stars (d) do sums quickly
  23. 23.🔧 Which invention helps us print many books? (a) clock (b) thermometer (c) printing press (d) stethoscope
  24. 24.🔧 Which invention helps us see faraway stars? (a) compass (b) telescope (c) telephone (d) stethoscope
  25. 25.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  26. 26.What did the Wright brothers give us? (a) the first aeroplane (b) the telephone (c) raised-dot writing (d) X-rays
  27. 27.What did Johannes Gutenberg give us? (a) the printing press (b) the smallpox vaccine (c) raised-dot writing (d) the stethoscope
  28. 28.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) René Laennec (c) Louis Braille (d) Johannes Gutenberg
  29. 29.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Edward Jenner
  30. 30.🔧 Which invention helps us talk to people far away? (a) thermometer (b) telephone (c) telescope (d) calculator
  31. 31.What did Edward Jenner give us? (a) the telephone (b) the smallpox vaccine (c) penicillin (d) the first aeroplane
  32. 32.True or false: a printing press helps us find directions. (a) True (b) False
  33. 33.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  34. 34.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) printing press (c) compass (d) stethoscope
  35. 35.True or false: a thermometer helps us hear the heartbeat. (a) False (b) True
  36. 36.True or false: a telescope helps us find directions. (a) False (b) True
  37. 37.What does a microscope help us do? (a) tell the time (b) see faraway stars (c) talk to people far away (d) see tiny germs
  38. 38.What does a thermometer help us do? (a) see faraway stars (b) do sums quickly (c) measure body temperature (d) hear the heartbeat
  39. 39.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  40. 40.True or false: a printing press helps us print many books. (a) True (b) False

Answer key

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

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