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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 636 · 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 did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the smallpox vaccine (d) raised-dot writing
  2. 2.True or false: Alessandro Volta gave us penicillin. (a) True (b) False
  3. 3.True or false: a compass helps us hear the heartbeat. (a) True (b) False
  4. 4.🔧 Which invention helps us tell the time? (a) compass (b) clock (c) telescope (d) thermometer
  5. 5.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  6. 6.True or false: Louis Braille gave us the smallpox vaccine. (a) True (b) False
  7. 7.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) thermometer (c) stethoscope (d) compass
  8. 8.💡 Who gave us X-rays? (a) Louis Braille (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Alexander Fleming
  9. 9.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  10. 10.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) False (b) True
  11. 11.True or false: Edward Jenner gave us the telephone. (a) True (b) False
  12. 12.What does a stethoscope help us do? (a) hear the heartbeat (b) tell the time (c) see faraway stars (d) do sums quickly
  13. 13.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  14. 14.True or false: a telescope helps us find directions. (a) True (b) False
  15. 15.What did the Wright brothers give us? (a) X-rays (b) the first aeroplane (c) the smallpox vaccine (d) the stethoscope
  16. 16.💡 Who gave us the printing press? (a) René Laennec (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Johannes Gutenberg
  17. 17.What does a clock help us do? (a) tell the time (b) see tiny germs (c) hear the heartbeat (d) see faraway stars
  18. 18.True or false: a calculator helps us do sums quickly. (a) True (b) False
  19. 19.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Alessandro Volta (d) René Laennec
  20. 20.💡 Who gave us penicillin? (a) Alexander Fleming (b) Johannes Gutenberg (c) Alexander Graham Bell (d) Wilhelm Röntgen
  21. 21.What does a telescope help us do? (a) tell the time (b) see tiny germs (c) see faraway stars (d) print many books
  22. 22.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  23. 23.What does a calculator help us do? (a) do sums quickly (b) tell the time (c) measure body temperature (d) talk to people far away
  24. 24.What did Alessandro Volta give us? (a) the printing press (b) the electric battery (c) raised-dot writing (d) the smallpox vaccine
  25. 25.🔧 Which invention helps us find directions? (a) thermometer (b) compass (c) microscope (d) telephone
  26. 26.💡 Who gave us the telephone? (a) Edward Jenner (b) Alexander Graham Bell (c) the Wright brothers (d) Johannes Gutenberg
  27. 27.True or false: Johannes Gutenberg gave us the stethoscope. (a) True (b) False
  28. 28.True or false: a calculator helps us talk to people far away. (a) True (b) False
  29. 29.What did Wilhelm Röntgen give us? (a) X-rays (b) the electric battery (c) raised-dot writing (d) the printing press
  30. 30.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alexander Graham Bell (c) the Wright brothers (d) Johannes Gutenberg
  31. 31.What did René Laennec give us? (a) X-rays (b) penicillin (c) the stethoscope (d) the smallpox vaccine
  32. 32.What did Edward Jenner give us? (a) the electric battery (b) the first aeroplane (c) the stethoscope (d) the smallpox vaccine
  33. 33.True or false: René Laennec gave us the telephone. (a) False (b) True
  34. 34.What did Alexander Graham Bell give us? (a) raised-dot writing (b) the printing press (c) the first aeroplane (d) the telephone
  35. 35.True or false: Edward Jenner gave us penicillin. (a) False (b) True
  36. 36.True or false: a telephone helps us talk to people far away. (a) False (b) True
  37. 37.True or false: a telescope helps us see faraway stars. (a) False (b) True
  38. 38.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  39. 39.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  40. 40.True or false: a thermometer helps us hear the heartbeat. (a) False (b) True

Answer key

  1. penicillin
  2. False
  3. False
  4. clock
  5. True
  6. False
  7. stethoscope
  8. Wilhelm Röntgen
  9. True
  10. False
  11. False
  12. hear the heartbeat
  13. True
  14. False
  15. the first aeroplane
  16. Johannes Gutenberg
  17. tell the time
  18. True
  19. Alessandro Volta
  20. Alexander Fleming
  21. see faraway stars
  22. True
  23. do sums quickly
  24. the electric battery
  25. compass
  26. Alexander Graham Bell
  27. False
  28. False
  29. X-rays
  30. Louis Braille
  31. the stethoscope
  32. the smallpox vaccine
  33. False
  34. the telephone
  35. False
  36. True
  37. True
  38. True
  39. False
  40. False

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