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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 705 · 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 see faraway stars? (a) telescope (b) printing press (c) compass (d) thermometer
  2. 2.What did Johannes Gutenberg give us? (a) the first aeroplane (b) raised-dot writing (c) the stethoscope (d) the printing press
  3. 3.True or false: Wilhelm Röntgen gave us penicillin. (a) True (b) False
  4. 4.True or false: a stethoscope helps us see tiny germs. (a) False (b) True
  5. 5.🔧 Which invention helps us talk to people far away? (a) telescope (b) telephone (c) printing press (d) stethoscope
  6. 6.What did the Wright brothers give us? (a) the electric battery (b) the printing press (c) the first aeroplane (d) the stethoscope
  7. 7.What did Wilhelm Röntgen give us? (a) X-rays (b) the printing press (c) the first aeroplane (d) the telephone
  8. 8.💡 Who gave us the stethoscope? (a) René Laennec (b) Wilhelm Röntgen (c) Edward Jenner (d) Alexander Graham Bell
  9. 9.💡 Who gave us the telephone? (a) René Laennec (b) Johannes Gutenberg (c) Alexander Fleming (d) Alexander Graham Bell
  10. 10.What does a calculator help us do? (a) do sums quickly (b) hear the heartbeat (c) tell the time (d) talk to people far away
  11. 11.💡 Who gave us X-rays? (a) Edward Jenner (b) Wilhelm Röntgen (c) Alessandro Volta (d) René Laennec
  12. 12.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  13. 13.True or false: a printing press helps us print many books. (a) False (b) True
  14. 14.🔧 Which invention helps us tell the time? (a) thermometer (b) telescope (c) stethoscope (d) clock
  15. 15.What does a microscope help us do? (a) see faraway stars (b) see tiny germs (c) hear the heartbeat (d) talk to people far away
  16. 16.True or false: a stethoscope helps us see faraway stars. (a) False (b) True
  17. 17.What did Louis Braille give us? (a) raised-dot writing (b) X-rays (c) the printing press (d) the first aeroplane
  18. 18.What does a stethoscope help us do? (a) find directions (b) hear the heartbeat (c) do sums quickly (d) measure body temperature
  19. 19.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) René Laennec (c) Johannes Gutenberg (d) Alexander Fleming
  20. 20.True or false: a printing press helps us see faraway stars. (a) True (b) False
  21. 21.True or false: Johannes Gutenberg gave us the first aeroplane. (a) False (b) True
  22. 22.What did René Laennec give us? (a) the printing press (b) the stethoscope (c) the smallpox vaccine (d) the telephone
  23. 23.What did Alexander Fleming give us? (a) the printing press (b) the telephone (c) the stethoscope (d) penicillin
  24. 24.🔧 Which invention helps us find directions? (a) telescope (b) compass (c) microscope (d) clock
  25. 25.💡 Who gave us the first aeroplane? (a) Louis Braille (b) the Wright brothers (c) Alexander Fleming (d) Alexander Graham Bell
  26. 26.True or false: a thermometer helps us print many books. (a) True (b) False
  27. 27.🔧 Which invention helps us do sums quickly? (a) compass (b) clock (c) calculator (d) telescope
  28. 28.True or false: a microscope helps us hear the heartbeat. (a) False (b) True
  29. 29.True or false: a telephone helps us talk to people far away. (a) False (b) True
  30. 30.What did Edward Jenner give us? (a) the smallpox vaccine (b) the first aeroplane (c) the telephone (d) raised-dot writing
  31. 31.What does a telescope help us do? (a) see faraway stars (b) measure body temperature (c) talk to people far away (d) print many books
  32. 32.🔧 Which invention helps us measure body temperature? (a) thermometer (b) clock (c) printing press (d) telescope
  33. 33.🔧 Which invention helps us hear the heartbeat? (a) compass (b) telescope (c) printing press (d) stethoscope
  34. 34.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  35. 35.What does a compass help us do? (a) measure body temperature (b) hear the heartbeat (c) find directions (d) do sums quickly
  36. 36.True or false: a telescope helps us see faraway stars. (a) False (b) True
  37. 37.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  38. 38.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Louis Braille (c) Wilhelm Röntgen (d) Alessandro Volta
  39. 39.True or false: a printing press helps us hear the heartbeat. (a) False (b) True
  40. 40.What did Alessandro Volta give us? (a) penicillin (b) the printing press (c) the stethoscope (d) the electric battery

Answer key

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

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