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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 474 · 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.What does a calculator help us do? (a) talk to people far away (b) see faraway stars (c) do sums quickly (d) hear the heartbeat
  2. 2.🔧 Which invention helps us see faraway stars? (a) telephone (b) telescope (c) thermometer (d) clock
  3. 3.What did Johannes Gutenberg give us? (a) the stethoscope (b) the telephone (c) the printing press (d) the first aeroplane
  4. 4.True or false: a printing press helps us print many books. (a) False (b) True
  5. 5.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Alessandro Volta (c) Wilhelm Röntgen (d) Louis Braille
  6. 6.True or false: a clock helps us tell the time. (a) False (b) True
  7. 7.What does a thermometer help us do? (a) talk to people far away (b) do sums quickly (c) measure body temperature (d) see tiny germs
  8. 8.What did the Wright brothers give us? (a) the printing press (b) the electric battery (c) the telephone (d) the first aeroplane
  9. 9.What does a compass help us do? (a) measure body temperature (b) tell the time (c) find directions (d) see tiny germs
  10. 10.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  11. 11.💡 Who gave us the telephone? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) the Wright brothers (d) Alessandro Volta
  12. 12.What did Alessandro Volta give us? (a) the first aeroplane (b) the telephone (c) the stethoscope (d) the electric battery
  13. 13.True or false: a telephone helps us talk to people far away. (a) False (b) True
  14. 14.💡 Who gave us X-rays? (a) the Wright brothers (b) Alexander Fleming (c) Alessandro Volta (d) Wilhelm Röntgen
  15. 15.What does a microscope help us do? (a) hear the heartbeat (b) see tiny germs (c) print many books (d) find directions
  16. 16.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  17. 17.True or false: a microscope helps us see tiny germs. (a) False (b) True
  18. 18.True or false: a telescope helps us print many books. (a) True (b) False
  19. 19.🔧 Which invention helps us tell the time? (a) clock (b) compass (c) stethoscope (d) thermometer
  20. 20.💡 Who gave us penicillin? (a) the Wright brothers (b) Alexander Fleming (c) Alessandro Volta (d) Edward Jenner
  21. 21.True or false: a microscope helps us measure body temperature. (a) False (b) True
  22. 22.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Louis Braille (c) René Laennec (d) Alexander Graham Bell
  23. 23.What does a clock help us do? (a) see faraway stars (b) do sums quickly (c) print many books (d) tell the time
  24. 24.What does a telescope help us do? (a) see tiny germs (b) see faraway stars (c) print many books (d) tell the time
  25. 25.True or false: a clock helps us measure body temperature. (a) True (b) False
  26. 26.True or false: a stethoscope helps us find directions. (a) True (b) False
  27. 27.🔧 Which invention helps us measure body temperature? (a) clock (b) printing press (c) thermometer (d) stethoscope
  28. 28.True or false: a thermometer helps us hear the heartbeat. (a) True (b) False
  29. 29.What did Louis Braille give us? (a) the first aeroplane (b) the telephone (c) raised-dot writing (d) the smallpox vaccine
  30. 30.What did Wilhelm Röntgen give us? (a) penicillin (b) X-rays (c) the stethoscope (d) the first aeroplane
  31. 31.What did Alexander Graham Bell give us? (a) the telephone (b) the stethoscope (c) penicillin (d) the first aeroplane
  32. 32.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) the Wright brothers (c) Alexander Fleming (d) Edward Jenner
  33. 33.True or false: a compass helps us print many books. (a) True (b) False
  34. 34.True or false: a microscope helps us tell the time. (a) True (b) False
  35. 35.🔧 Which invention helps us talk to people far away? (a) telephone (b) printing press (c) thermometer (d) stethoscope
  36. 36.True or false: a telescope helps us see faraway stars. (a) False (b) True
  37. 37.What did Alexander Fleming give us? (a) X-rays (b) the telephone (c) the electric battery (d) penicillin
  38. 38.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  39. 39.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  40. 40.💡 Who gave us the stethoscope? (a) Alexander Fleming (b) Edward Jenner (c) René Laennec (d) Alessandro Volta

Answer key

  1. do sums quickly
  2. telescope
  3. the printing press
  4. True
  5. Louis Braille
  6. True
  7. measure body temperature
  8. the first aeroplane
  9. find directions
  10. True
  11. Alexander Graham Bell
  12. the electric battery
  13. True
  14. Wilhelm Röntgen
  15. see tiny germs
  16. True
  17. True
  18. False
  19. clock
  20. Alexander Fleming
  21. False
  22. Edward Jenner
  23. tell the time
  24. see faraway stars
  25. False
  26. False
  27. thermometer
  28. False
  29. raised-dot writing
  30. X-rays
  31. the telephone
  32. the Wright brothers
  33. False
  34. False
  35. telephone
  36. True
  37. penicillin
  38. True
  39. True
  40. René Laennec

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