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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 372 · 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 find directions. (a) False (b) True
  2. 2.What did Alexander Fleming give us? (a) penicillin (b) the first aeroplane (c) raised-dot writing (d) the printing press
  3. 3.What does a thermometer help us do? (a) measure body temperature (b) print many books (c) see tiny germs (d) tell the time
  4. 4.🔧 Which invention helps us measure body temperature? (a) printing press (b) compass (c) thermometer (d) stethoscope
  5. 5.What did the Wright brothers give us? (a) the first aeroplane (b) the printing press (c) penicillin (d) the electric battery
  6. 6.What did Edward Jenner give us? (a) the smallpox vaccine (b) the stethoscope (c) raised-dot writing (d) the printing press
  7. 7.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Edward Jenner (c) Alexander Fleming (d) Wilhelm Röntgen
  8. 8.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  9. 9.True or false: a thermometer helps us tell the time. (a) False (b) True
  10. 10.What does a telescope help us do? (a) do sums quickly (b) see faraway stars (c) print many books (d) tell the time
  11. 11.True or false: a stethoscope helps us print many books. (a) False (b) True
  12. 12.🔧 Which invention helps us see faraway stars? (a) stethoscope (b) telephone (c) telescope (d) thermometer
  13. 13.🔧 Which invention helps us tell the time? (a) printing press (b) thermometer (c) clock (d) stethoscope
  14. 14.True or false: the Wright brothers gave us penicillin. (a) True (b) False
  15. 15.What did Wilhelm Röntgen give us? (a) the electric battery (b) the printing press (c) the telephone (d) X-rays
  16. 16.True or false: Alessandro Volta gave us the printing press. (a) True (b) False
  17. 17.💡 Who gave us the smallpox vaccine? (a) Alessandro Volta (b) Edward Jenner (c) Louis Braille (d) the Wright brothers
  18. 18.💡 Who gave us X-rays? (a) Edward Jenner (b) René Laennec (c) Louis Braille (d) Wilhelm Röntgen
  19. 19.What does a telephone help us do? (a) tell the time (b) hear the heartbeat (c) measure body temperature (d) talk to people far away
  20. 20.True or false: a printing press helps us tell the time. (a) False (b) True
  21. 21.What did Louis Braille give us? (a) the smallpox vaccine (b) the printing press (c) the telephone (d) raised-dot writing
  22. 22.💡 Who gave us penicillin? (a) Alessandro Volta (b) Alexander Fleming (c) Johannes Gutenberg (d) Alexander Graham Bell
  23. 23.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Alessandro Volta (c) Johannes Gutenberg (d) the Wright brothers
  24. 24.True or false: a telephone helps us talk to people far away. (a) False (b) True
  25. 25.🔧 Which invention helps us talk to people far away? (a) telescope (b) printing press (c) clock (d) telephone
  26. 26.What does a printing press help us do? (a) tell the time (b) find directions (c) print many books (d) measure body temperature
  27. 27.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  28. 28.What does a stethoscope help us do? (a) hear the heartbeat (b) find directions (c) talk to people far away (d) do sums quickly
  29. 29.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) the Wright brothers
  30. 30.What does a compass help us do? (a) talk to people far away (b) find directions (c) see tiny germs (d) print many books
  31. 31.What does a microscope help us do? (a) measure body temperature (b) see tiny germs (c) tell the time (d) hear the heartbeat
  32. 32.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  33. 33.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  34. 34.What did Alessandro Volta give us? (a) the first aeroplane (b) penicillin (c) the electric battery (d) the stethoscope
  35. 35.🔧 Which invention helps us find directions? (a) clock (b) calculator (c) compass (d) printing press
  36. 36.True or false: a calculator helps us see tiny germs. (a) True (b) False
  37. 37.True or false: the Wright brothers gave us the telephone. (a) True (b) False
  38. 38.What does a calculator help us do? (a) tell the time (b) print many books (c) see tiny germs (d) do sums quickly
  39. 39.True or false: a printing press helps us measure body temperature. (a) False (b) True
  40. 40.True or false: Alexander Graham Bell gave us raised-dot writing. (a) True (b) False

Answer key

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

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