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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 401 · 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: Louis Braille gave us the telephone. (a) True (b) False
  2. 2.What does a printing press help us do? (a) see faraway stars (b) measure body temperature (c) find directions (d) print many books
  3. 3.True or false: a calculator helps us do sums quickly. (a) True (b) False
  4. 4.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  5. 5.What did Edward Jenner give us? (a) X-rays (b) the first aeroplane (c) the printing press (d) the smallpox vaccine
  6. 6.🔧 Which invention helps us tell the time? (a) clock (b) thermometer (c) compass (d) telephone
  7. 7.True or false: a telephone helps us find directions. (a) True (b) False
  8. 8.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  9. 9.What did the Wright brothers give us? (a) penicillin (b) the first aeroplane (c) X-rays (d) raised-dot writing
  10. 10.What did Alessandro Volta give us? (a) the electric battery (b) the smallpox vaccine (c) the printing press (d) X-rays
  11. 11.🔧 Which invention helps us measure body temperature? (a) compass (b) thermometer (c) printing press (d) telephone
  12. 12.🔧 Which invention helps us do sums quickly? (a) calculator (b) thermometer (c) compass (d) telescope
  13. 13.True or false: Johannes Gutenberg gave us X-rays. (a) True (b) False
  14. 14.What does a thermometer help us do? (a) talk to people far away (b) see tiny germs (c) measure body temperature (d) hear the heartbeat
  15. 15.What did Alexander Fleming give us? (a) the telephone (b) the smallpox vaccine (c) the electric battery (d) penicillin
  16. 16.True or false: a compass helps us find directions. (a) False (b) True
  17. 17.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) the telephone (c) the printing press (d) X-rays
  18. 18.True or false: a microscope helps us see tiny germs. (a) True (b) False
  19. 19.What did Alexander Graham Bell give us? (a) X-rays (b) the smallpox vaccine (c) the telephone (d) penicillin
  20. 20.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) the Wright brothers (c) Wilhelm Röntgen (d) Louis Braille
  21. 21.What does a stethoscope help us do? (a) hear the heartbeat (b) see tiny germs (c) talk to people far away (d) find directions
  22. 22.What does a microscope help us do? (a) hear the heartbeat (b) talk to people far away (c) see tiny germs (d) find directions
  23. 23.True or false: a clock helps us tell the time. (a) False (b) True
  24. 24.What does a compass help us do? (a) measure body temperature (b) talk to people far away (c) find directions (d) see tiny germs
  25. 25.What does a clock help us do? (a) see faraway stars (b) measure body temperature (c) do sums quickly (d) tell the time
  26. 26.True or false: a telephone helps us talk to people far away. (a) False (b) True
  27. 27.True or false: a microscope helps us measure body temperature. (a) True (b) False
  28. 28.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Louis Braille (c) Alexander Fleming (d) René Laennec
  29. 29.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  30. 30.What does a calculator help us do? (a) talk to people far away (b) do sums quickly (c) measure body temperature (d) tell the time
  31. 31.What did Louis Braille give us? (a) raised-dot writing (b) the first aeroplane (c) the electric battery (d) penicillin
  32. 32.True or false: a printing press helps us measure body temperature. (a) False (b) True
  33. 33.True or false: Johannes Gutenberg gave us raised-dot writing. (a) True (b) False
  34. 34.🔧 Which invention helps us hear the heartbeat? (a) printing press (b) microscope (c) stethoscope (d) calculator
  35. 35.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) False (b) True
  36. 36.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  37. 37.🔧 Which invention helps us see faraway stars? (a) telescope (b) clock (c) calculator (d) telephone
  38. 38.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the electric battery (c) the telephone (d) the printing press
  39. 39.True or false: Alexander Graham Bell gave us X-rays. (a) False (b) True
  40. 40.True or false: a stethoscope helps us measure body temperature. (a) True (b) False

Answer key

  1. False
  2. print many books
  3. True
  4. True
  5. the smallpox vaccine
  6. clock
  7. False
  8. True
  9. the first aeroplane
  10. the electric battery
  11. thermometer
  12. calculator
  13. False
  14. measure body temperature
  15. penicillin
  16. True
  17. X-rays
  18. True
  19. the telephone
  20. Wilhelm Röntgen
  21. hear the heartbeat
  22. see tiny germs
  23. True
  24. find directions
  25. tell the time
  26. True
  27. False
  28. Louis Braille
  29. True
  30. do sums quickly
  31. raised-dot writing
  32. False
  33. False
  34. stethoscope
  35. False
  36. True
  37. telescope
  38. the printing press
  39. False
  40. False

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