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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 99 · 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: Louis Braille gave us raised-dot writing. (a) True (b) False
  2. 2.What does a calculator help us do? (a) measure body temperature (b) do sums quickly (c) see tiny germs (d) hear the heartbeat
  3. 3.True or false: a calculator helps us do sums quickly. (a) True (b) False
  4. 4.What did René Laennec give us? (a) the smallpox vaccine (b) the printing press (c) the stethoscope (d) the telephone
  5. 5.🔧 Which invention helps us see faraway stars? (a) printing press (b) microscope (c) telephone (d) telescope
  6. 6.What does a telescope help us do? (a) see faraway stars (b) hear the heartbeat (c) tell the time (d) talk to people far away
  7. 7.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  8. 8.🔧 Which invention helps us find directions? (a) compass (b) stethoscope (c) telescope (d) telephone
  9. 9.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  10. 10.True or false: Alessandro Volta gave us raised-dot writing. (a) False (b) True
  11. 11.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) the telephone (c) raised-dot writing (d) X-rays
  12. 12.What does a compass help us do? (a) talk to people far away (b) tell the time (c) find directions (d) hear the heartbeat
  13. 13.True or false: a telephone helps us print many books. (a) False (b) True
  14. 14.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alexander Fleming (c) Edward Jenner (d) Louis Braille
  15. 15.What does a microscope help us do? (a) find directions (b) hear the heartbeat (c) see tiny germs (d) talk to people far away
  16. 16.🔧 Which invention helps us print many books? (a) thermometer (b) calculator (c) telescope (d) printing press
  17. 17.🔧 Which invention helps us hear the heartbeat? (a) compass (b) calculator (c) microscope (d) stethoscope
  18. 18.True or false: a telephone helps us talk to people far away. (a) False (b) True
  19. 19.What did Alessandro Volta give us? (a) the printing press (b) the electric battery (c) the telephone (d) penicillin
  20. 20.🔧 Which invention helps us talk to people far away? (a) clock (b) printing press (c) calculator (d) telephone
  21. 21.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  22. 22.What did Alexander Graham Bell give us? (a) the first aeroplane (b) the electric battery (c) the stethoscope (d) the telephone
  23. 23.💡 Who gave us the stethoscope? (a) Alessandro Volta (b) the Wright brothers (c) René Laennec (d) Johannes Gutenberg
  24. 24.True or false: a clock helps us tell the time. (a) False (b) True
  25. 25.True or false: a telephone helps us measure body temperature. (a) False (b) True
  26. 26.True or false: Johannes Gutenberg gave us penicillin. (a) False (b) True
  27. 27.True or false: a calculator helps us measure body temperature. (a) True (b) False
  28. 28.True or false: the Wright brothers gave us penicillin. (a) False (b) True
  29. 29.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) the Wright brothers
  30. 30.🔧 Which invention helps us tell the time? (a) calculator (b) clock (c) telescope (d) compass
  31. 31.💡 Who gave us the printing press? (a) Alessandro Volta (b) Edward Jenner (c) Johannes Gutenberg (d) Louis Braille
  32. 32.True or false: a telephone helps us hear the heartbeat. (a) False (b) True
  33. 33.True or false: a compass helps us measure body temperature. (a) True (b) False
  34. 34.True or false: a compass helps us print many books. (a) True (b) False
  35. 35.What does a stethoscope help us do? (a) do sums quickly (b) hear the heartbeat (c) print many books (d) tell the time
  36. 36.What did the Wright brothers give us? (a) the telephone (b) the stethoscope (c) the printing press (d) the first aeroplane
  37. 37.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  38. 38.True or false: Louis Braille gave us X-rays. (a) False (b) True
  39. 39.What did Louis Braille give us? (a) X-rays (b) penicillin (c) raised-dot writing (d) the stethoscope
  40. 40.What does a thermometer help us do? (a) talk to people far away (b) measure body temperature (c) find directions (d) tell the time

Answer key

  1. True
  2. do sums quickly
  3. True
  4. the stethoscope
  5. telescope
  6. see faraway stars
  7. True
  8. compass
  9. False
  10. False
  11. X-rays
  12. find directions
  13. False
  14. Alexander Graham Bell
  15. see tiny germs
  16. printing press
  17. stethoscope
  18. True
  19. the electric battery
  20. telephone
  21. True
  22. the telephone
  23. René Laennec
  24. True
  25. False
  26. False
  27. False
  28. False
  29. the Wright brothers
  30. clock
  31. Johannes Gutenberg
  32. False
  33. False
  34. False
  35. hear the heartbeat
  36. the first aeroplane
  37. True
  38. False
  39. raised-dot writing
  40. measure body temperature

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