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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 535 · 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: Alessandro Volta gave us the electric battery. (a) True (b) False
  2. 2.True or false: a thermometer helps us print many books. (a) False (b) True
  3. 3.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Alexander Fleming (c) Louis Braille (d) Johannes Gutenberg
  4. 4.What did Wilhelm Röntgen give us? (a) X-rays (b) the electric battery (c) the printing press (d) the first aeroplane
  5. 5.What did Louis Braille give us? (a) the smallpox vaccine (b) the electric battery (c) the first aeroplane (d) raised-dot writing
  6. 6.What does a stethoscope help us do? (a) measure body temperature (b) hear the heartbeat (c) see faraway stars (d) do sums quickly
  7. 7.🔧 Which invention helps us measure body temperature? (a) thermometer (b) clock (c) microscope (d) compass
  8. 8.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) the Wright brothers
  9. 9.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  10. 10.🔧 Which invention helps us print many books? (a) stethoscope (b) compass (c) printing press (d) telephone
  11. 11.What did Alexander Graham Bell give us? (a) raised-dot writing (b) the telephone (c) the electric battery (d) the first aeroplane
  12. 12.What did Alexander Fleming give us? (a) raised-dot writing (b) penicillin (c) the printing press (d) the stethoscope
  13. 13.What does a thermometer help us do? (a) hear the heartbeat (b) print many books (c) measure body temperature (d) see faraway stars
  14. 14.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  15. 15.True or false: a printing press helps us print many books. (a) False (b) True
  16. 16.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  17. 17.🔧 Which invention helps us tell the time? (a) clock (b) thermometer (c) stethoscope (d) calculator
  18. 18.True or false: Alessandro Volta gave us the telephone. (a) True (b) False
  19. 19.What does a clock help us do? (a) talk to people far away (b) find directions (c) hear the heartbeat (d) tell the time
  20. 20.💡 Who gave us X-rays? (a) Louis Braille (b) Edward Jenner (c) Wilhelm Röntgen (d) Alessandro Volta
  21. 21.What does a printing press help us do? (a) measure body temperature (b) find directions (c) do sums quickly (d) print many books
  22. 22.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  23. 23.True or false: a microscope helps us see tiny germs. (a) True (b) False
  24. 24.True or false: Alexander Fleming gave us the printing press. (a) False (b) True
  25. 25.🔧 Which invention helps us talk to people far away? (a) thermometer (b) telephone (c) clock (d) printing press
  26. 26.True or false: René Laennec gave us penicillin. (a) False (b) True
  27. 27.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) René Laennec (d) Louis Braille
  28. 28.What did the Wright brothers give us? (a) the stethoscope (b) the first aeroplane (c) the smallpox vaccine (d) the electric battery
  29. 29.What does a telescope help us do? (a) print many books (b) see tiny germs (c) hear the heartbeat (d) see faraway stars
  30. 30.🔧 Which invention helps us hear the heartbeat? (a) printing press (b) microscope (c) stethoscope (d) telephone
  31. 31.🔧 Which invention helps us see tiny germs? (a) calculator (b) compass (c) microscope (d) telephone
  32. 32.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  33. 33.True or false: a telephone helps us see faraway stars. (a) True (b) False
  34. 34.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) the Wright brothers (c) Alexander Graham Bell (d) René Laennec
  35. 35.True or false: a telephone helps us talk to people far away. (a) False (b) True
  36. 36.💡 Who gave us the smallpox vaccine? (a) Alessandro Volta (b) Louis Braille (c) Edward Jenner (d) Alexander Fleming
  37. 37.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  38. 38.True or false: a printing press helps us measure body temperature. (a) True (b) False
  39. 39.What does a calculator help us do? (a) do sums quickly (b) see faraway stars (c) find directions (d) measure body temperature
  40. 40.True or false: René Laennec gave us the stethoscope. (a) True (b) False

Answer key

  1. True
  2. False
  3. Louis Braille
  4. X-rays
  5. raised-dot writing
  6. hear the heartbeat
  7. thermometer
  8. Johannes Gutenberg
  9. True
  10. printing press
  11. the telephone
  12. penicillin
  13. measure body temperature
  14. True
  15. True
  16. True
  17. clock
  18. False
  19. tell the time
  20. Wilhelm Röntgen
  21. print many books
  22. True
  23. True
  24. False
  25. telephone
  26. False
  27. René Laennec
  28. the first aeroplane
  29. see faraway stars
  30. stethoscope
  31. microscope
  32. True
  33. False
  34. the Wright brothers
  35. True
  36. Edward Jenner
  37. True
  38. False
  39. do sums quickly
  40. True

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