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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 154 · 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: a calculator helps us do sums quickly. (a) True (b) False
  2. 2.🔧 Which invention helps us tell the time? (a) telescope (b) telephone (c) printing press (d) clock
  3. 3.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  4. 4.True or false: Alexander Graham Bell gave us raised-dot writing. (a) True (b) False
  5. 5.What does a microscope help us do? (a) tell the time (b) do sums quickly (c) see tiny germs (d) see faraway stars
  6. 6.What did Alessandro Volta give us? (a) raised-dot writing (b) X-rays (c) the printing press (d) the electric battery
  7. 7.🔧 Which invention helps us see tiny germs? (a) clock (b) compass (c) microscope (d) stethoscope
  8. 8.🔧 Which invention helps us see faraway stars? (a) telephone (b) stethoscope (c) printing press (d) telescope
  9. 9.True or false: a compass helps us find directions. (a) False (b) True
  10. 10.What does a printing press help us do? (a) hear the heartbeat (b) print many books (c) talk to people far away (d) see tiny germs
  11. 11.What does a stethoscope help us do? (a) do sums quickly (b) find directions (c) talk to people far away (d) hear the heartbeat
  12. 12.💡 Who gave us the printing press? (a) Alexander Fleming (b) Wilhelm Röntgen (c) René Laennec (d) Johannes Gutenberg
  13. 13.What did Alexander Graham Bell give us? (a) the printing press (b) X-rays (c) the telephone (d) the stethoscope
  14. 14.🔧 Which invention helps us print many books? (a) telephone (b) compass (c) printing press (d) telescope
  15. 15.True or false: a stethoscope helps us do sums quickly. (a) True (b) False
  16. 16.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  17. 17.True or false: Louis Braille gave us the first aeroplane. (a) True (b) False
  18. 18.True or false: a compass helps us see faraway stars. (a) False (b) True
  19. 19.True or false: a telephone helps us talk to people far away. (a) True (b) False
  20. 20.True or false: a printing press helps us measure body temperature. (a) False (b) True
  21. 21.🔧 Which invention helps us find directions? (a) telephone (b) compass (c) telescope (d) thermometer
  22. 22.What did the Wright brothers give us? (a) the smallpox vaccine (b) the printing press (c) the first aeroplane (d) the electric battery
  23. 23.What does a telephone help us do? (a) hear the heartbeat (b) measure body temperature (c) find directions (d) talk to people far away
  24. 24.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) the Wright brothers (c) Edward Jenner (d) Alexander Graham Bell
  25. 25.True or false: Alexander Graham Bell gave us the printing press. (a) False (b) True
  26. 26.True or false: a telephone helps us do sums quickly. (a) False (b) True
  27. 27.True or false: a printing press helps us see faraway stars. (a) True (b) False
  28. 28.💡 Who gave us penicillin? (a) Alessandro Volta (b) Edward Jenner (c) René Laennec (d) Alexander Fleming
  29. 29.What does a telescope help us do? (a) find directions (b) print many books (c) do sums quickly (d) see faraway stars
  30. 30.True or false: Louis Braille gave us the electric battery. (a) False (b) True
  31. 31.True or false: Alexander Fleming gave us X-rays. (a) False (b) True
  32. 32.What does a calculator help us do? (a) do sums quickly (b) talk to people far away (c) see faraway stars (d) hear the heartbeat
  33. 33.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  34. 34.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) True (b) False
  35. 35.True or false: a telephone helps us see faraway stars. (a) False (b) True
  36. 36.💡 Who gave us X-rays? (a) Alessandro Volta (b) Louis Braille (c) Alexander Fleming (d) Wilhelm Röntgen
  37. 37.What did Louis Braille give us? (a) the printing press (b) the smallpox vaccine (c) the stethoscope (d) raised-dot writing
  38. 38.True or false: Johannes Gutenberg gave us the stethoscope. (a) False (b) True
  39. 39.True or false: Alexander Graham Bell gave us the stethoscope. (a) False (b) True
  40. 40.🔧 Which invention helps us measure body temperature? (a) telephone (b) calculator (c) stethoscope (d) thermometer

Answer key

  1. True
  2. clock
  3. True
  4. False
  5. see tiny germs
  6. the electric battery
  7. microscope
  8. telescope
  9. True
  10. print many books
  11. hear the heartbeat
  12. Johannes Gutenberg
  13. the telephone
  14. printing press
  15. False
  16. True
  17. False
  18. False
  19. True
  20. False
  21. compass
  22. the first aeroplane
  23. talk to people far away
  24. the Wright brothers
  25. False
  26. False
  27. False
  28. Alexander Fleming
  29. see faraway stars
  30. False
  31. False
  32. do sums quickly
  33. True
  34. False
  35. False
  36. Wilhelm Röntgen
  37. raised-dot writing
  38. False
  39. False
  40. thermometer

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