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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 223 · 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 thermometer help us do? (a) find directions (b) see tiny germs (c) see faraway stars (d) measure body temperature
  2. 2.🔧 Which invention helps us talk to people far away? (a) microscope (b) calculator (c) stethoscope (d) telephone
  3. 3.True or false: Louis Braille gave us X-rays. (a) True (b) False
  4. 4.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  5. 5.💡 Who gave us the electric battery? (a) Johannes Gutenberg (b) Alessandro Volta (c) Alexander Graham Bell (d) René Laennec
  6. 6.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) True (b) False
  7. 7.💡 Who gave us the stethoscope? (a) René Laennec (b) Wilhelm Röntgen (c) Alexander Fleming (d) Alexander Graham Bell
  8. 8.True or false: a calculator helps us see faraway stars. (a) True (b) False
  9. 9.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Louis Braille (c) Wilhelm Röntgen (d) Alexander Graham Bell
  10. 10.What did Wilhelm Röntgen give us? (a) X-rays (b) penicillin (c) the smallpox vaccine (d) the telephone
  11. 11.What did Edward Jenner give us? (a) the telephone (b) raised-dot writing (c) the smallpox vaccine (d) the printing press
  12. 12.🔧 Which invention helps us find directions? (a) clock (b) printing press (c) stethoscope (d) compass
  13. 13.True or false: the Wright brothers gave us the electric battery. (a) True (b) False
  14. 14.True or false: a thermometer helps us see tiny germs. (a) False (b) True
  15. 15.🔧 Which invention helps us see faraway stars? (a) telephone (b) stethoscope (c) telescope (d) calculator
  16. 16.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) penicillin (c) the telephone (d) X-rays
  17. 17.True or false: Wilhelm Röntgen gave us the electric battery. (a) True (b) False
  18. 18.What did the Wright brothers give us? (a) the printing press (b) the first aeroplane (c) the stethoscope (d) the smallpox vaccine
  19. 19.💡 Who gave us the telephone? (a) Alessandro Volta (b) the Wright brothers (c) Alexander Graham Bell (d) Edward Jenner
  20. 20.True or false: a printing press helps us hear the heartbeat. (a) True (b) False
  21. 21.What does a stethoscope help us do? (a) find directions (b) hear the heartbeat (c) tell the time (d) see tiny germs
  22. 22.What does a telescope help us do? (a) tell the time (b) hear the heartbeat (c) see faraway stars (d) do sums quickly
  23. 23.True or false: a stethoscope helps us measure body temperature. (a) True (b) False
  24. 24.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) the Wright brothers (c) René Laennec (d) Johannes Gutenberg
  25. 25.🔧 Which invention helps us measure body temperature? (a) compass (b) calculator (c) thermometer (d) telescope
  26. 26.🔧 Which invention helps us do sums quickly? (a) microscope (b) telescope (c) telephone (d) calculator
  27. 27.What did Alessandro Volta give us? (a) the electric battery (b) the telephone (c) the first aeroplane (d) the printing press
  28. 28.True or false: a telescope helps us print many books. (a) False (b) True
  29. 29.What did Louis Braille give us? (a) the telephone (b) raised-dot writing (c) penicillin (d) X-rays
  30. 30.True or false: Alexander Fleming gave us X-rays. (a) False (b) True
  31. 31.What did René Laennec give us? (a) the stethoscope (b) penicillin (c) the printing press (d) the smallpox vaccine
  32. 32.True or false: a clock helps us find directions. (a) False (b) True
  33. 33.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) René Laennec (c) Alexander Fleming (d) Louis Braille
  34. 34.What does a compass help us do? (a) see faraway stars (b) find directions (c) measure body temperature (d) hear the heartbeat
  35. 35.What did Alexander Fleming give us? (a) X-rays (b) raised-dot writing (c) penicillin (d) the telephone
  36. 36.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) the Wright brothers (c) Edward Jenner (d) Alexander Fleming
  37. 37.True or false: a microscope helps us see tiny germs. (a) True (b) False
  38. 38.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  39. 39.What does a printing press help us do? (a) hear the heartbeat (b) talk to people far away (c) print many books (d) see tiny germs
  40. 40.🔧 Which invention helps us tell the time? (a) calculator (b) clock (c) telephone (d) compass

Answer key

  1. measure body temperature
  2. telephone
  3. False
  4. True
  5. Alessandro Volta
  6. False
  7. René Laennec
  8. False
  9. Edward Jenner
  10. X-rays
  11. the smallpox vaccine
  12. compass
  13. False
  14. False
  15. telescope
  16. the telephone
  17. False
  18. the first aeroplane
  19. Alexander Graham Bell
  20. False
  21. hear the heartbeat
  22. see faraway stars
  23. False
  24. Johannes Gutenberg
  25. thermometer
  26. calculator
  27. the electric battery
  28. False
  29. raised-dot writing
  30. False
  31. the stethoscope
  32. False
  33. Alexander Fleming
  34. find directions
  35. penicillin
  36. the Wright brothers
  37. True
  38. True
  39. print many books
  40. clock

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