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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 272 · 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) measure body temperature (b) see tiny germs (c) tell the time (d) do sums quickly
  2. 2.True or false: a telescope helps us print many books. (a) False (b) True
  3. 3.True or false: a telephone helps us do sums quickly. (a) True (b) False
  4. 4.What does a stethoscope help us do? (a) see faraway stars (b) see tiny germs (c) tell the time (d) hear the heartbeat
  5. 5.💡 Who gave us the telephone? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Alessandro Volta (d) the Wright brothers
  6. 6.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  7. 7.True or false: Edward Jenner gave us the telephone. (a) False (b) True
  8. 8.True or false: the Wright brothers gave us the printing press. (a) True (b) False
  9. 9.True or false: a stethoscope helps us print many books. (a) True (b) False
  10. 10.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) stethoscope (c) calculator (d) printing press
  11. 11.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  12. 12.True or false: Alessandro Volta gave us the telephone. (a) True (b) False
  13. 13.What does a microscope help us do? (a) tell the time (b) talk to people far away (c) see tiny germs (d) find directions
  14. 14.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  15. 15.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  16. 16.True or false: a compass helps us print many books. (a) False (b) True
  17. 17.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True
  18. 18.🔧 Which invention helps us find directions? (a) compass (b) microscope (c) calculator (d) clock
  19. 19.💡 Who gave us the stethoscope? (a) the Wright brothers (b) Louis Braille (c) René Laennec (d) Alexander Graham Bell
  20. 20.🔧 Which invention helps us print many books? (a) compass (b) calculator (c) clock (d) printing press
  21. 21.🔧 Which invention helps us measure body temperature? (a) thermometer (b) telephone (c) clock (d) telescope
  22. 22.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  23. 23.What did Edward Jenner give us? (a) X-rays (b) the electric battery (c) the stethoscope (d) the smallpox vaccine
  24. 24.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Louis Braille
  25. 25.True or false: a telescope helps us see tiny germs. (a) True (b) False
  26. 26.What did Alexander Fleming give us? (a) the telephone (b) raised-dot writing (c) the stethoscope (d) penicillin
  27. 27.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Alessandro Volta (c) Johannes Gutenberg (d) Edward Jenner
  28. 28.💡 Who gave us penicillin? (a) Alexander Fleming (b) René Laennec (c) Louis Braille (d) the Wright brothers
  29. 29.What did Louis Braille give us? (a) raised-dot writing (b) the printing press (c) penicillin (d) the telephone
  30. 30.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  31. 31.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) Johannes Gutenberg (c) Alexander Graham Bell (d) the Wright brothers
  32. 32.True or false: Alexander Graham Bell gave us raised-dot writing. (a) True (b) False
  33. 33.What did Wilhelm Röntgen give us? (a) the stethoscope (b) the smallpox vaccine (c) X-rays (d) the electric battery
  34. 34.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  35. 35.True or false: a telephone helps us find directions. (a) False (b) True
  36. 36.What did Johannes Gutenberg give us? (a) the electric battery (b) the printing press (c) the smallpox vaccine (d) the first aeroplane
  37. 37.What did Alessandro Volta give us? (a) the electric battery (b) X-rays (c) the telephone (d) the first aeroplane
  38. 38.True or false: a calculator helps us see tiny germs. (a) False (b) True
  39. 39.True or false: a microscope helps us see tiny germs. (a) False (b) True
  40. 40.True or false: a stethoscope helps us find directions. (a) True (b) False

Answer key

  1. do sums quickly
  2. False
  3. False
  4. hear the heartbeat
  5. Alexander Graham Bell
  6. True
  7. False
  8. False
  9. False
  10. stethoscope
  11. True
  12. False
  13. see tiny germs
  14. True
  15. True
  16. False
  17. False
  18. compass
  19. René Laennec
  20. printing press
  21. thermometer
  22. True
  23. the smallpox vaccine
  24. Louis Braille
  25. False
  26. penicillin
  27. Alessandro Volta
  28. Alexander Fleming
  29. raised-dot writing
  30. True
  31. the Wright brothers
  32. False
  33. X-rays
  34. True
  35. False
  36. the printing press
  37. the electric battery
  38. False
  39. True
  40. False

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