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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 454 · 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.🔧 Which invention helps us measure body temperature? (a) telephone (b) stethoscope (c) thermometer (d) calculator
  2. 2.What did Alexander Fleming give us? (a) penicillin (b) the first aeroplane (c) X-rays (d) the smallpox vaccine
  3. 3.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  4. 4.💡 Who gave us the smallpox vaccine? (a) Alessandro Volta (b) the Wright brothers (c) Edward Jenner (d) René Laennec
  5. 5.True or false: Alexander Graham Bell gave us the electric battery. (a) True (b) False
  6. 6.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  7. 7.What does a compass help us do? (a) print many books (b) talk to people far away (c) tell the time (d) find directions
  8. 8.🔧 Which invention helps us print many books? (a) printing press (b) stethoscope (c) telephone (d) clock
  9. 9.True or false: a calculator helps us find directions. (a) True (b) False
  10. 10.True or false: Edward Jenner gave us the telephone. (a) False (b) True
  11. 11.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) stethoscope (c) telephone (d) calculator
  12. 12.💡 Who gave us the electric battery? (a) René Laennec (b) Louis Braille (c) Alessandro Volta (d) Johannes Gutenberg
  13. 13.What does a calculator help us do? (a) tell the time (b) hear the heartbeat (c) print many books (d) do sums quickly
  14. 14.What did René Laennec give us? (a) raised-dot writing (b) the stethoscope (c) the first aeroplane (d) the electric battery
  15. 15.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  16. 16.True or false: a telephone helps us talk to people far away. (a) True (b) False
  17. 17.What did Louis Braille give us? (a) penicillin (b) the stethoscope (c) raised-dot writing (d) the telephone
  18. 18.💡 Who gave us penicillin? (a) Alexander Fleming (b) Alessandro Volta (c) Alexander Graham Bell (d) the Wright brothers
  19. 19.True or false: a microscope helps us do sums quickly. (a) False (b) True
  20. 20.True or false: Johannes Gutenberg gave us the first aeroplane. (a) False (b) True
  21. 21.What does a stethoscope help us do? (a) hear the heartbeat (b) talk to people far away (c) find directions (d) print many books
  22. 22.What does a thermometer help us do? (a) print many books (b) hear the heartbeat (c) measure body temperature (d) talk to people far away
  23. 23.What did Johannes Gutenberg give us? (a) the first aeroplane (b) penicillin (c) the printing press (d) raised-dot writing
  24. 24.💡 Who gave us the telephone? (a) Alexander Fleming (b) Alexander Graham Bell (c) the Wright brothers (d) Edward Jenner
  25. 25.True or false: Louis Braille gave us penicillin. (a) True (b) False
  26. 26.True or false: a telescope helps us see faraway stars. (a) True (b) False
  27. 27.What does a microscope help us do? (a) see tiny germs (b) measure body temperature (c) see faraway stars (d) talk to people far away
  28. 28.True or false: René Laennec gave us the smallpox vaccine. (a) False (b) True
  29. 29.What did Wilhelm Röntgen give us? (a) the electric battery (b) X-rays (c) the first aeroplane (d) the stethoscope
  30. 30.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  31. 31.True or false: a thermometer helps us tell the time. (a) True (b) False
  32. 32.True or false: a telescope helps us hear the heartbeat. (a) False (b) True
  33. 33.True or false: a compass helps us hear the heartbeat. (a) False (b) True
  34. 34.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  35. 35.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Johannes Gutenberg (c) René Laennec (d) Louis Braille
  36. 36.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  37. 37.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Alexander Fleming (c) Wilhelm Röntgen (d) Johannes Gutenberg
  38. 38.True or false: a microscope helps us see tiny germs. (a) False (b) True
  39. 39.True or false: Alessandro Volta gave us the printing press. (a) True (b) False
  40. 40.True or false: a telescope helps us tell the time. (a) False (b) True

Answer key

  1. thermometer
  2. penicillin
  3. True
  4. Edward Jenner
  5. False
  6. True
  7. find directions
  8. printing press
  9. False
  10. False
  11. stethoscope
  12. Alessandro Volta
  13. do sums quickly
  14. the stethoscope
  15. True
  16. True
  17. raised-dot writing
  18. Alexander Fleming
  19. False
  20. False
  21. hear the heartbeat
  22. measure body temperature
  23. the printing press
  24. Alexander Graham Bell
  25. False
  26. True
  27. see tiny germs
  28. False
  29. X-rays
  30. True
  31. False
  32. False
  33. False
  34. True
  35. Louis Braille
  36. True
  37. Johannes Gutenberg
  38. True
  39. False
  40. False

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