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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 641 · 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 does a compass help us do? (a) do sums quickly (b) find directions (c) hear the heartbeat (d) see faraway stars
  2. 2.What does a telephone help us do? (a) print many books (b) hear the heartbeat (c) talk to people far away (d) see faraway stars
  3. 3.True or false: a telescope helps us find directions. (a) True (b) False
  4. 4.True or false: Wilhelm Röntgen gave us the stethoscope. (a) False (b) True
  5. 5.True or false: a clock helps us tell the time. (a) False (b) True
  6. 6.True or false: Louis Braille gave us the telephone. (a) False (b) True
  7. 7.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  8. 8.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  9. 9.What does a thermometer help us do? (a) print many books (b) see faraway stars (c) talk to people far away (d) measure body temperature
  10. 10.What did Louis Braille give us? (a) X-rays (b) the stethoscope (c) the smallpox vaccine (d) raised-dot writing
  11. 11.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) Edward Jenner (c) Alessandro Volta (d) Louis Braille
  12. 12.What did Alessandro Volta give us? (a) penicillin (b) the telephone (c) the stethoscope (d) the electric battery
  13. 13.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Edward Jenner (c) Alexander Graham Bell (d) Alexander Fleming
  14. 14.What does a printing press help us do? (a) do sums quickly (b) see tiny germs (c) print many books (d) hear the heartbeat
  15. 15.🔧 Which invention helps us see faraway stars? (a) telephone (b) thermometer (c) microscope (d) telescope
  16. 16.What does a calculator help us do? (a) see tiny germs (b) print many books (c) measure body temperature (d) do sums quickly
  17. 17.💡 Who gave us X-rays? (a) René Laennec (b) the Wright brothers (c) Alexander Fleming (d) Wilhelm Röntgen
  18. 18.What did Alexander Fleming give us? (a) the electric battery (b) the first aeroplane (c) penicillin (d) X-rays
  19. 19.What did Wilhelm Röntgen give us? (a) X-rays (b) the first aeroplane (c) the stethoscope (d) the printing press
  20. 20.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  21. 21.True or false: a microscope helps us measure body temperature. (a) True (b) False
  22. 22.What did Edward Jenner give us? (a) raised-dot writing (b) the smallpox vaccine (c) X-rays (d) the electric battery
  23. 23.What does a telescope help us do? (a) print many books (b) see faraway stars (c) do sums quickly (d) find directions
  24. 24.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  25. 25.True or false: a calculator helps us tell the time. (a) False (b) True
  26. 26.🔧 Which invention helps us tell the time? (a) clock (b) compass (c) thermometer (d) telephone
  27. 27.True or false: Edward Jenner gave us the telephone. (a) False (b) True
  28. 28.🔧 Which invention helps us find directions? (a) calculator (b) clock (c) compass (d) telescope
  29. 29.True or false: a telephone helps us talk to people far away. (a) True (b) False
  30. 30.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) René Laennec (c) Alexander Fleming (d) Alexander Graham Bell
  31. 31.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  32. 32.True or false: Johannes Gutenberg gave us X-rays. (a) False (b) True
  33. 33.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Alexander Fleming (c) René Laennec (d) Louis Braille
  34. 34.True or false: a compass helps us find directions. (a) True (b) False
  35. 35.🔧 Which invention helps us print many books? (a) telescope (b) thermometer (c) printing press (d) compass
  36. 36.🔧 Which invention helps us hear the heartbeat? (a) clock (b) stethoscope (c) thermometer (d) calculator
  37. 37.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False
  38. 38.💡 Who gave us the stethoscope? (a) Louis Braille (b) René Laennec (c) Johannes Gutenberg (d) Alexander Graham Bell
  39. 39.True or false: a calculator helps us do sums quickly. (a) False (b) True
  40. 40.True or false: René Laennec gave us the printing press. (a) True (b) False

Answer key

  1. find directions
  2. talk to people far away
  3. False
  4. False
  5. True
  6. False
  7. True
  8. False
  9. measure body temperature
  10. raised-dot writing
  11. Edward Jenner
  12. the electric battery
  13. Alexander Graham Bell
  14. print many books
  15. telescope
  16. do sums quickly
  17. Wilhelm Röntgen
  18. penicillin
  19. X-rays
  20. True
  21. False
  22. the smallpox vaccine
  23. see faraway stars
  24. True
  25. False
  26. clock
  27. False
  28. compass
  29. True
  30. the Wright brothers
  31. True
  32. False
  33. Alexander Fleming
  34. True
  35. printing press
  36. stethoscope
  37. False
  38. René Laennec
  39. True
  40. False

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