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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 821 · 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 thermometer helps us tell the time. (a) False (b) True
  2. 2.🔧 Which invention helps us do sums quickly? (a) printing press (b) telescope (c) calculator (d) clock
  3. 3.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  4. 4.True or false: René Laennec gave us the electric battery. (a) True (b) False
  5. 5.What did Louis Braille give us? (a) the electric battery (b) the smallpox vaccine (c) the printing press (d) raised-dot writing
  6. 6.What did Johannes Gutenberg give us? (a) the printing press (b) raised-dot writing (c) penicillin (d) the smallpox vaccine
  7. 7.True or false: a clock helps us tell the time. (a) False (b) True
  8. 8.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) the Wright brothers (c) Alexander Fleming (d) Louis Braille
  9. 9.True or false: a compass helps us measure body temperature. (a) True (b) False
  10. 10.What does a microscope help us do? (a) talk to people far away (b) see tiny germs (c) do sums quickly (d) measure body temperature
  11. 11.What does a stethoscope help us do? (a) hear the heartbeat (b) measure body temperature (c) print many books (d) talk to people far away
  12. 12.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  13. 13.💡 Who gave us penicillin? (a) the Wright brothers (b) René Laennec (c) Alexander Fleming (d) Louis Braille
  14. 14.What did Edward Jenner give us? (a) the smallpox vaccine (b) penicillin (c) the first aeroplane (d) the telephone
  15. 15.What did Alexander Graham Bell give us? (a) X-rays (b) penicillin (c) the telephone (d) the first aeroplane
  16. 16.What does a compass help us do? (a) tell the time (b) talk to people far away (c) find directions (d) see tiny germs
  17. 17.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) Louis Braille (c) René Laennec (d) Alexander Fleming
  18. 18.🔧 Which invention helps us measure body temperature? (a) microscope (b) telescope (c) thermometer (d) stethoscope
  19. 19.True or false: a telephone helps us measure body temperature. (a) False (b) True
  20. 20.What does a thermometer help us do? (a) hear the heartbeat (b) measure body temperature (c) tell the time (d) find directions
  21. 21.True or false: a telephone helps us find directions. (a) False (b) True
  22. 22.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  23. 23.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  24. 24.What does a calculator help us do? (a) see tiny germs (b) do sums quickly (c) measure body temperature (d) talk to people far away
  25. 25.💡 Who gave us the electric battery? (a) Louis Braille (b) Johannes Gutenberg (c) the Wright brothers (d) Alessandro Volta
  26. 26.True or false: Alexander Fleming gave us the electric battery. (a) False (b) True
  27. 27.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) the Wright brothers (c) René Laennec (d) Wilhelm Röntgen
  28. 28.True or false: a stethoscope helps us print many books. (a) True (b) False
  29. 29.True or false: a stethoscope helps us see tiny germs. (a) True (b) False
  30. 30.True or false: a compass helps us tell the time. (a) False (b) True
  31. 31.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) True (b) False
  32. 32.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  33. 33.🔧 Which invention helps us see tiny germs? (a) thermometer (b) microscope (c) clock (d) telephone
  34. 34.💡 Who gave us X-rays? (a) Edward Jenner (b) Wilhelm Röntgen (c) the Wright brothers (d) Alexander Graham Bell
  35. 35.What did the Wright brothers give us? (a) penicillin (b) the smallpox vaccine (c) the electric battery (d) the first aeroplane
  36. 36.True or false: Wilhelm Röntgen gave us the stethoscope. (a) True (b) False
  37. 37.What did Alexander Fleming give us? (a) the first aeroplane (b) the printing press (c) penicillin (d) the telephone
  38. 38.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Louis Braille (c) Alexander Fleming (d) Alexander Graham Bell
  39. 39.True or false: a telescope helps us measure body temperature. (a) True (b) False
  40. 40.What does a telephone help us do? (a) tell the time (b) measure body temperature (c) talk to people far away (d) do sums quickly

Answer key

  1. False
  2. calculator
  3. True
  4. False
  5. raised-dot writing
  6. the printing press
  7. True
  8. the Wright brothers
  9. False
  10. see tiny germs
  11. hear the heartbeat
  12. True
  13. Alexander Fleming
  14. the smallpox vaccine
  15. the telephone
  16. find directions
  17. Louis Braille
  18. thermometer
  19. False
  20. measure body temperature
  21. False
  22. True
  23. True
  24. do sums quickly
  25. Alessandro Volta
  26. False
  27. René Laennec
  28. False
  29. False
  30. False
  31. False
  32. True
  33. microscope
  34. Wilhelm Röntgen
  35. the first aeroplane
  36. False
  37. penicillin
  38. Alexander Graham Bell
  39. False
  40. talk to people far away

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