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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 486 · 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: René Laennec gave us the stethoscope. (a) True (b) False
  2. 2.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  3. 3.True or false: a compass helps us do sums quickly. (a) False (b) True
  4. 4.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) the first aeroplane (c) raised-dot writing (d) X-rays
  5. 5.🔧 Which invention helps us see tiny germs? (a) telescope (b) microscope (c) stethoscope (d) calculator
  6. 6.True or false: a stethoscope helps us see tiny germs. (a) True (b) False
  7. 7.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  8. 8.What does a telephone help us do? (a) tell the time (b) do sums quickly (c) talk to people far away (d) find directions
  9. 9.🔧 Which invention helps us do sums quickly? (a) microscope (b) telephone (c) compass (d) calculator
  10. 10.What does a calculator help us do? (a) measure body temperature (b) tell the time (c) see tiny germs (d) do sums quickly
  11. 11.What does a telescope help us do? (a) hear the heartbeat (b) do sums quickly (c) see faraway stars (d) print many books
  12. 12.What did Alessandro Volta give us? (a) the printing press (b) penicillin (c) X-rays (d) the electric battery
  13. 13.True or false: a telephone helps us see tiny germs. (a) False (b) True
  14. 14.🔧 Which invention helps us measure body temperature? (a) calculator (b) clock (c) compass (d) thermometer
  15. 15.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) Louis Braille (c) Alessandro Volta (d) Edward Jenner
  16. 16.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Alessandro Volta (c) René Laennec (d) Edward Jenner
  17. 17.True or false: Wilhelm Röntgen gave us the telephone. (a) True (b) False
  18. 18.What did the Wright brothers give us? (a) the electric battery (b) the first aeroplane (c) raised-dot writing (d) the printing press
  19. 19.True or false: a printing press helps us print many books. (a) True (b) False
  20. 20.True or false: a calculator helps us do sums quickly. (a) True (b) False
  21. 21.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  22. 22.🔧 Which invention helps us find directions? (a) calculator (b) microscope (c) telescope (d) compass
  23. 23.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) the Wright brothers (c) Alessandro Volta (d) Louis Braille
  24. 24.True or false: Wilhelm Röntgen gave us the printing press. (a) True (b) False
  25. 25.🔧 Which invention helps us tell the time? (a) telescope (b) stethoscope (c) compass (d) clock
  26. 26.What does a stethoscope help us do? (a) hear the heartbeat (b) see tiny germs (c) print many books (d) do sums quickly
  27. 27.What did Johannes Gutenberg give us? (a) raised-dot writing (b) penicillin (c) the printing press (d) the first aeroplane
  28. 28.🔧 Which invention helps us hear the heartbeat? (a) compass (b) stethoscope (c) calculator (d) printing press
  29. 29.🔧 Which invention helps us see faraway stars? (a) telescope (b) microscope (c) printing press (d) calculator
  30. 30.💡 Who gave us the printing press? (a) René Laennec (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) Louis Braille
  31. 31.What did Edward Jenner give us? (a) the first aeroplane (b) the printing press (c) X-rays (d) the smallpox vaccine
  32. 32.💡 Who gave us X-rays? (a) the Wright brothers (b) Louis Braille (c) Alexander Fleming (d) Wilhelm Röntgen
  33. 33.True or false: Louis Braille gave us the electric battery. (a) True (b) False
  34. 34.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) True (b) False
  35. 35.What did Alexander Graham Bell give us? (a) X-rays (b) penicillin (c) the telephone (d) the first aeroplane
  36. 36.True or false: Alessandro Volta gave us the smallpox vaccine. (a) True (b) False
  37. 37.💡 Who gave us the stethoscope? (a) René Laennec (b) the Wright brothers (c) Alexander Graham Bell (d) Alexander Fleming
  38. 38.🔧 Which invention helps us talk to people far away? (a) microscope (b) compass (c) telephone (d) printing press
  39. 39.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) the Wright brothers (c) Johannes Gutenberg (d) Wilhelm Röntgen
  40. 40.True or false: Johannes Gutenberg gave us X-rays. (a) True (b) False

Answer key

  1. True
  2. True
  3. False
  4. X-rays
  5. microscope
  6. False
  7. True
  8. talk to people far away
  9. calculator
  10. do sums quickly
  11. see faraway stars
  12. the electric battery
  13. False
  14. thermometer
  15. Edward Jenner
  16. Alessandro Volta
  17. False
  18. the first aeroplane
  19. True
  20. True
  21. True
  22. compass
  23. Louis Braille
  24. False
  25. clock
  26. hear the heartbeat
  27. the printing press
  28. stethoscope
  29. telescope
  30. Johannes Gutenberg
  31. the smallpox vaccine
  32. Wilhelm Röntgen
  33. False
  34. False
  35. the telephone
  36. False
  37. René Laennec
  38. telephone
  39. the Wright brothers
  40. False

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