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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 450 · 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.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  2. 2.What does a clock help us do? (a) do sums quickly (b) hear the heartbeat (c) find directions (d) tell the time
  3. 3.🔧 Which invention helps us measure body temperature? (a) printing press (b) thermometer (c) calculator (d) compass
  4. 4.True or false: a printing press helps us print many books. (a) True (b) False
  5. 5.True or false: René Laennec gave us the first aeroplane. (a) False (b) True
  6. 6.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  7. 7.True or false: a telescope helps us see faraway stars. (a) False (b) True
  8. 8.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the stethoscope (c) the telephone (d) X-rays
  9. 9.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Edward Jenner (c) the Wright brothers (d) Louis Braille
  10. 10.What does a thermometer help us do? (a) print many books (b) measure body temperature (c) do sums quickly (d) hear the heartbeat
  11. 11.True or false: a calculator helps us see faraway stars. (a) True (b) False
  12. 12.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Alexander Fleming (d) Edward Jenner
  13. 13.True or false: a telescope helps us tell the time. (a) False (b) True
  14. 14.What does a telescope help us do? (a) talk to people far away (b) see faraway stars (c) see tiny germs (d) find directions
  15. 15.What does a calculator help us do? (a) hear the heartbeat (b) see faraway stars (c) do sums quickly (d) talk to people far away
  16. 16.🔧 Which invention helps us talk to people far away? (a) telescope (b) clock (c) telephone (d) thermometer
  17. 17.What does a printing press help us do? (a) measure body temperature (b) see faraway stars (c) print many books (d) talk to people far away
  18. 18.🔧 Which invention helps us do sums quickly? (a) compass (b) stethoscope (c) calculator (d) printing press
  19. 19.True or false: Edward Jenner gave us penicillin. (a) False (b) True
  20. 20.What did René Laennec give us? (a) penicillin (b) the telephone (c) the first aeroplane (d) the stethoscope
  21. 21.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) René Laennec (c) the Wright brothers (d) Louis Braille
  22. 22.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Alexander Fleming (c) the Wright brothers (d) Johannes Gutenberg
  23. 23.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) René Laennec (c) Louis Braille (d) Alessandro Volta
  24. 24.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  25. 25.True or false: a stethoscope helps us do sums quickly. (a) True (b) False
  26. 26.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  27. 27.🔧 Which invention helps us find directions? (a) telephone (b) printing press (c) thermometer (d) compass
  28. 28.💡 Who gave us the electric battery? (a) Alessandro Volta (b) René Laennec (c) Alexander Fleming (d) the Wright brothers
  29. 29.What did the Wright brothers give us? (a) the telephone (b) the first aeroplane (c) the stethoscope (d) the smallpox vaccine
  30. 30.🔧 Which invention helps us hear the heartbeat? (a) compass (b) calculator (c) clock (d) stethoscope
  31. 31.What did Wilhelm Röntgen give us? (a) the electric battery (b) penicillin (c) the telephone (d) X-rays
  32. 32.🔧 Which invention helps us see faraway stars? (a) thermometer (b) clock (c) telescope (d) calculator
  33. 33.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  34. 34.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  35. 35.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  36. 36.🔧 Which invention helps us print many books? (a) telephone (b) printing press (c) stethoscope (d) microscope
  37. 37.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  38. 38.What did Alessandro Volta give us? (a) the smallpox vaccine (b) the electric battery (c) raised-dot writing (d) the telephone
  39. 39.True or false: a printing press helps us measure body temperature. (a) True (b) False
  40. 40.True or false: a thermometer helps us measure body temperature. (a) True (b) False

Answer key

  1. False
  2. tell the time
  3. thermometer
  4. True
  5. False
  6. True
  7. True
  8. the telephone
  9. Louis Braille
  10. measure body temperature
  11. False
  12. Alexander Fleming
  13. False
  14. see faraway stars
  15. do sums quickly
  16. telephone
  17. print many books
  18. calculator
  19. False
  20. the stethoscope
  21. the Wright brothers
  22. Wilhelm Röntgen
  23. René Laennec
  24. True
  25. False
  26. True
  27. compass
  28. Alessandro Volta
  29. the first aeroplane
  30. stethoscope
  31. X-rays
  32. telescope
  33. True
  34. True
  35. True
  36. printing press
  37. False
  38. the electric battery
  39. False
  40. True

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