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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 247 · 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 talk to people far away? (a) calculator (b) thermometer (c) printing press (d) telephone
  2. 2.What did Alessandro Volta give us? (a) the electric battery (b) X-rays (c) the telephone (d) raised-dot writing
  3. 3.True or false: Alessandro Volta gave us raised-dot writing. (a) True (b) False
  4. 4.💡 Who gave us the smallpox vaccine? (a) Alessandro Volta (b) Edward Jenner (c) Alexander Graham Bell (d) Wilhelm Röntgen
  5. 5.What does a compass help us do? (a) see faraway stars (b) print many books (c) find directions (d) see tiny germs
  6. 6.True or false: a thermometer helps us tell the time. (a) False (b) True
  7. 7.What did Edward Jenner give us? (a) the stethoscope (b) the first aeroplane (c) the electric battery (d) the smallpox vaccine
  8. 8.What did Alexander Fleming give us? (a) the smallpox vaccine (b) the first aeroplane (c) X-rays (d) penicillin
  9. 9.What does a telescope help us do? (a) measure body temperature (b) talk to people far away (c) find directions (d) see faraway stars
  10. 10.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  11. 11.True or false: René Laennec gave us the telephone. (a) True (b) False
  12. 12.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) Edward Jenner (c) the Wright brothers (d) René Laennec
  13. 13.True or false: a telescope helps us hear the heartbeat. (a) True (b) False
  14. 14.What did René Laennec give us? (a) the telephone (b) the stethoscope (c) X-rays (d) the smallpox vaccine
  15. 15.What does a thermometer help us do? (a) tell the time (b) find directions (c) measure body temperature (d) talk to people far away
  16. 16.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  17. 17.True or false: a telephone helps us talk to people far away. (a) True (b) False
  18. 18.True or false: a thermometer helps us see faraway stars. (a) True (b) False
  19. 19.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  20. 20.True or false: Alexander Graham Bell gave us X-rays. (a) True (b) False
  21. 21.💡 Who gave us penicillin? (a) the Wright brothers (b) Alexander Fleming (c) Alexander Graham Bell (d) Alessandro Volta
  22. 22.🔧 Which invention helps us see faraway stars? (a) telescope (b) clock (c) telephone (d) stethoscope
  23. 23.What does a microscope help us do? (a) measure body temperature (b) hear the heartbeat (c) find directions (d) see tiny germs
  24. 24.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) X-rays (c) raised-dot writing (d) the stethoscope
  25. 25.What does a stethoscope help us do? (a) see tiny germs (b) talk to people far away (c) hear the heartbeat (d) print many books
  26. 26.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  27. 27.True or false: a stethoscope helps us find directions. (a) True (b) False
  28. 28.True or false: a printing press helps us print many books. (a) True (b) False
  29. 29.True or false: a compass helps us find directions. (a) True (b) False
  30. 30.🔧 Which invention helps us measure body temperature? (a) clock (b) compass (c) thermometer (d) telephone
  31. 31.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  32. 32.What does a calculator help us do? (a) do sums quickly (b) see tiny germs (c) talk to people far away (d) find directions
  33. 33.What does a clock help us do? (a) do sums quickly (b) tell the time (c) see faraway stars (d) find directions
  34. 34.🔧 Which invention helps us see tiny germs? (a) thermometer (b) compass (c) microscope (d) clock
  35. 35.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  36. 36.What did Alexander Graham Bell give us? (a) raised-dot writing (b) penicillin (c) the stethoscope (d) the telephone
  37. 37.True or false: a telephone helps us do sums quickly. (a) False (b) True
  38. 38.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) printing press (c) compass (d) thermometer
  39. 39.What did Louis Braille give us? (a) the telephone (b) raised-dot writing (c) the first aeroplane (d) the stethoscope
  40. 40.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Johannes Gutenberg (c) René Laennec (d) the Wright brothers

Answer key

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

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