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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 746 · 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 do sums quickly? (a) clock (b) stethoscope (c) telescope (d) calculator
  2. 2.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  3. 3.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  4. 4.What does a thermometer help us do? (a) hear the heartbeat (b) see tiny germs (c) talk to people far away (d) measure body temperature
  5. 5.🔧 Which invention helps us measure body temperature? (a) clock (b) telephone (c) microscope (d) thermometer
  6. 6.What does a telescope help us do? (a) print many books (b) see faraway stars (c) hear the heartbeat (d) measure body temperature
  7. 7.True or false: a telephone helps us talk to people far away. (a) False (b) True
  8. 8.🔧 Which invention helps us find directions? (a) telescope (b) printing press (c) compass (d) microscope
  9. 9.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Johannes Gutenberg (c) Alexander Graham Bell (d) René Laennec
  10. 10.What did Louis Braille give us? (a) the first aeroplane (b) raised-dot writing (c) the electric battery (d) the printing press
  11. 11.🔧 Which invention helps us see tiny germs? (a) microscope (b) calculator (c) telephone (d) printing press
  12. 12.What does a clock help us do? (a) measure body temperature (b) tell the time (c) print many books (d) find directions
  13. 13.What does a telephone help us do? (a) talk to people far away (b) hear the heartbeat (c) see tiny germs (d) print many books
  14. 14.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Alexander Fleming (c) Louis Braille (d) René Laennec
  15. 15.What does a stethoscope help us do? (a) talk to people far away (b) see faraway stars (c) hear the heartbeat (d) tell the time
  16. 16.True or false: a clock helps us measure body temperature. (a) True (b) False
  17. 17.🔧 Which invention helps us talk to people far away? (a) microscope (b) calculator (c) telephone (d) thermometer
  18. 18.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  19. 19.What did Alexander Fleming give us? (a) the electric battery (b) the stethoscope (c) the telephone (d) penicillin
  20. 20.True or false: a stethoscope helps us measure body temperature. (a) True (b) False
  21. 21.What did the Wright brothers give us? (a) the smallpox vaccine (b) the printing press (c) the first aeroplane (d) X-rays
  22. 22.What did Alexander Graham Bell give us? (a) raised-dot writing (b) X-rays (c) the first aeroplane (d) the telephone
  23. 23.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) stethoscope (c) calculator (d) clock
  24. 24.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  25. 25.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) Johannes Gutenberg (c) the Wright brothers (d) René Laennec
  26. 26.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  27. 27.What did Alessandro Volta give us? (a) raised-dot writing (b) the smallpox vaccine (c) penicillin (d) the electric battery
  28. 28.True or false: a telescope helps us see faraway stars. (a) True (b) False
  29. 29.🔧 Which invention helps us tell the time? (a) stethoscope (b) telephone (c) clock (d) telescope
  30. 30.What did René Laennec give us? (a) the telephone (b) the stethoscope (c) the electric battery (d) raised-dot writing
  31. 31.True or false: the Wright brothers gave us penicillin. (a) True (b) False
  32. 32.💡 Who gave us penicillin? (a) Alessandro Volta (b) Alexander Fleming (c) the Wright brothers (d) Alexander Graham Bell
  33. 33.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  34. 34.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) Edward Jenner (c) René Laennec (d) the Wright brothers
  35. 35.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Louis Braille (d) Edward Jenner
  36. 36.True or false: a telephone helps us see faraway stars. (a) False (b) True
  37. 37.True or false: Johannes Gutenberg gave us the electric battery. (a) False (b) True
  38. 38.What did Wilhelm Röntgen give us? (a) penicillin (b) the smallpox vaccine (c) the stethoscope (d) X-rays
  39. 39.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Louis Braille (c) the Wright brothers (d) René Laennec
  40. 40.What does a compass help us do? (a) print many books (b) hear the heartbeat (c) tell the time (d) find directions

Answer key

  1. calculator
  2. True
  3. True
  4. measure body temperature
  5. thermometer
  6. see faraway stars
  7. True
  8. compass
  9. Alessandro Volta
  10. raised-dot writing
  11. microscope
  12. tell the time
  13. talk to people far away
  14. Louis Braille
  15. hear the heartbeat
  16. False
  17. telephone
  18. True
  19. penicillin
  20. False
  21. the first aeroplane
  22. the telephone
  23. stethoscope
  24. True
  25. the Wright brothers
  26. True
  27. the electric battery
  28. True
  29. clock
  30. the stethoscope
  31. False
  32. Alexander Fleming
  33. True
  34. René Laennec
  35. Johannes Gutenberg
  36. False
  37. False
  38. X-rays
  39. Edward Jenner
  40. find directions

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