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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 340 · 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 telescope helps us see faraway stars. (a) False (b) True
  2. 2.What does a telescope help us do? (a) measure body temperature (b) hear the heartbeat (c) do sums quickly (d) see faraway stars
  3. 3.💡 Who gave us the telephone? (a) the Wright brothers (b) Louis Braille (c) Alexander Graham Bell (d) René Laennec
  4. 4.What did Johannes Gutenberg give us? (a) the printing press (b) the telephone (c) the smallpox vaccine (d) raised-dot writing
  5. 5.What did Edward Jenner give us? (a) the telephone (b) the first aeroplane (c) the smallpox vaccine (d) the stethoscope
  6. 6.🔧 Which invention helps us find directions? (a) printing press (b) stethoscope (c) thermometer (d) compass
  7. 7.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  8. 8.What did René Laennec give us? (a) the first aeroplane (b) the stethoscope (c) the smallpox vaccine (d) the telephone
  9. 9.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) False (b) True
  10. 10.🔧 Which invention helps us tell the time? (a) calculator (b) thermometer (c) telephone (d) clock
  11. 11.What does a microscope help us do? (a) tell the time (b) measure body temperature (c) see tiny germs (d) hear the heartbeat
  12. 12.True or false: a calculator helps us do sums quickly. (a) False (b) True
  13. 13.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Edward Jenner (c) Alexander Graham Bell (d) Wilhelm Röntgen
  14. 14.🔧 Which invention helps us do sums quickly? (a) clock (b) compass (c) calculator (d) microscope
  15. 15.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) Alexander Fleming (c) Wilhelm Röntgen (d) Alessandro Volta
  16. 16.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False
  17. 17.True or false: the Wright brothers gave us the smallpox vaccine. (a) False (b) True
  18. 18.What did Wilhelm Röntgen give us? (a) the telephone (b) the printing press (c) the electric battery (d) X-rays
  19. 19.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  20. 20.🔧 Which invention helps us see faraway stars? (a) compass (b) calculator (c) telescope (d) stethoscope
  21. 21.True or false: Alexander Graham Bell gave us the first aeroplane. (a) True (b) False
  22. 22.What does a telephone help us do? (a) see tiny germs (b) find directions (c) talk to people far away (d) hear the heartbeat
  23. 23.True or false: a printing press helps us print many books. (a) True (b) False
  24. 24.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) microscope (c) clock (d) telescope
  25. 25.🔧 Which invention helps us measure body temperature? (a) clock (b) thermometer (c) compass (d) telephone
  26. 26.💡 Who gave us the electric battery? (a) the Wright brothers (b) René Laennec (c) Alexander Graham Bell (d) Alessandro Volta
  27. 27.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the first aeroplane (d) X-rays
  28. 28.🔧 Which invention helps us talk to people far away? (a) clock (b) stethoscope (c) telephone (d) thermometer
  29. 29.True or false: a calculator helps us see tiny germs. (a) False (b) True
  30. 30.True or false: a clock helps us tell the time. (a) True (b) False
  31. 31.What did Louis Braille give us? (a) the telephone (b) the printing press (c) X-rays (d) raised-dot writing
  32. 32.What did Alessandro Volta give us? (a) the electric battery (b) X-rays (c) raised-dot writing (d) the first aeroplane
  33. 33.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Louis Braille (c) Alexander Fleming (d) Alexander Graham Bell
  34. 34.What does a thermometer help us do? (a) hear the heartbeat (b) find directions (c) measure body temperature (d) see tiny germs
  35. 35.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) René Laennec (c) Edward Jenner (d) the Wright brothers
  36. 36.True or false: Louis Braille gave us X-rays. (a) True (b) False
  37. 37.What did Alexander Graham Bell give us? (a) the printing press (b) the first aeroplane (c) the telephone (d) the electric battery
  38. 38.What does a stethoscope help us do? (a) tell the time (b) hear the heartbeat (c) do sums quickly (d) see faraway stars
  39. 39.What does a compass help us do? (a) find directions (b) do sums quickly (c) see tiny germs (d) measure body temperature
  40. 40.True or false: a compass helps us find directions. (a) True (b) False

Answer key

  1. True
  2. see faraway stars
  3. Alexander Graham Bell
  4. the printing press
  5. the smallpox vaccine
  6. compass
  7. True
  8. the stethoscope
  9. False
  10. clock
  11. see tiny germs
  12. True
  13. the Wright brothers
  14. calculator
  15. Wilhelm Röntgen
  16. False
  17. False
  18. X-rays
  19. True
  20. telescope
  21. False
  22. talk to people far away
  23. True
  24. stethoscope
  25. thermometer
  26. Alessandro Volta
  27. penicillin
  28. telephone
  29. False
  30. True
  31. raised-dot writing
  32. the electric battery
  33. Johannes Gutenberg
  34. measure body temperature
  35. Edward Jenner
  36. False
  37. the telephone
  38. hear the heartbeat
  39. find directions
  40. True

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