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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 647 · 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 printing press helps us see faraway stars. (a) False (b) True
  2. 2.True or false: a calculator helps us find directions. (a) True (b) False
  3. 3.🔧 Which invention helps us talk to people far away? (a) clock (b) compass (c) thermometer (d) telephone
  4. 4.🔧 Which invention helps us see faraway stars? (a) calculator (b) compass (c) telephone (d) telescope
  5. 5.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the smallpox vaccine (d) X-rays
  6. 6.What did Louis Braille give us? (a) the first aeroplane (b) X-rays (c) the printing press (d) raised-dot writing
  7. 7.What did Alessandro Volta give us? (a) the stethoscope (b) X-rays (c) the electric battery (d) raised-dot writing
  8. 8.What did Johannes Gutenberg give us? (a) penicillin (b) the stethoscope (c) the telephone (d) the printing press
  9. 9.💡 Who gave us penicillin? (a) Louis Braille (b) Wilhelm Röntgen (c) Alexander Fleming (d) Johannes Gutenberg
  10. 10.🔧 Which invention helps us measure body temperature? (a) compass (b) calculator (c) thermometer (d) telephone
  11. 11.True or false: a thermometer helps us hear the heartbeat. (a) True (b) False
  12. 12.What did the Wright brothers give us? (a) the telephone (b) the printing press (c) X-rays (d) the first aeroplane
  13. 13.True or false: a calculator helps us measure body temperature. (a) True (b) False
  14. 14.What does a microscope help us do? (a) hear the heartbeat (b) see tiny germs (c) do sums quickly (d) find directions
  15. 15.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alessandro Volta (c) René Laennec (d) Louis Braille
  16. 16.True or false: Alexander Graham Bell gave us the printing press. (a) False (b) True
  17. 17.💡 Who gave us the stethoscope? (a) Louis Braille (b) Edward Jenner (c) René Laennec (d) Alexander Fleming
  18. 18.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Wilhelm Röntgen (c) René Laennec (d) Edward Jenner
  19. 19.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) the Wright brothers (c) Edward Jenner (d) Louis Braille
  20. 20.What does a clock help us do? (a) tell the time (b) hear the heartbeat (c) see faraway stars (d) do sums quickly
  21. 21.🔧 Which invention helps us do sums quickly? (a) telescope (b) thermometer (c) calculator (d) telephone
  22. 22.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) X-rays (c) the printing press (d) penicillin
  23. 23.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  24. 24.True or false: a calculator helps us do sums quickly. (a) True (b) False
  25. 25.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) clock (c) calculator (d) compass
  26. 26.What did Edward Jenner give us? (a) raised-dot writing (b) X-rays (c) the smallpox vaccine (d) the first aeroplane
  27. 27.What does a stethoscope help us do? (a) see faraway stars (b) see tiny germs (c) hear the heartbeat (d) tell the time
  28. 28.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  29. 29.What does a compass help us do? (a) find directions (b) measure body temperature (c) talk to people far away (d) see faraway stars
  30. 30.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alexander Fleming (c) Johannes Gutenberg (d) Louis Braille
  31. 31.True or false: Louis Braille gave us the electric battery. (a) True (b) False
  32. 32.What does a telephone help us do? (a) tell the time (b) measure body temperature (c) hear the heartbeat (d) talk to people far away
  33. 33.What did Alexander Graham Bell give us? (a) the printing press (b) the smallpox vaccine (c) X-rays (d) the telephone
  34. 34.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True
  35. 35.True or false: a clock helps us tell the time. (a) True (b) False
  36. 36.True or false: a microscope helps us see tiny germs. (a) False (b) True
  37. 37.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) the Wright brothers (d) Edward Jenner
  38. 38.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  39. 39.🔧 Which invention helps us tell the time? (a) clock (b) telephone (c) printing press (d) compass
  40. 40.True or false: a telephone helps us measure body temperature. (a) False (b) True

Answer key

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

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