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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 839 · 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 compass helps us see faraway stars. (a) False (b) True
  2. 2.True or false: a telescope helps us tell the time. (a) True (b) False
  3. 3.💡 Who gave us the smallpox vaccine? (a) Alessandro Volta (b) René Laennec (c) Wilhelm Röntgen (d) Edward Jenner
  4. 4.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) compass (c) telephone (d) microscope
  5. 5.True or false: a compass helps us measure body temperature. (a) True (b) False
  6. 6.True or false: a compass helps us see tiny germs. (a) False (b) True
  7. 7.What does a clock help us do? (a) tell the time (b) find directions (c) do sums quickly (d) hear the heartbeat
  8. 8.What does a telephone help us do? (a) hear the heartbeat (b) tell the time (c) find directions (d) talk to people far away
  9. 9.🔧 Which invention helps us see faraway stars? (a) telephone (b) telescope (c) calculator (d) compass
  10. 10.What did Alexander Fleming give us? (a) penicillin (b) the first aeroplane (c) the electric battery (d) raised-dot writing
  11. 11.What did Alexander Graham Bell give us? (a) X-rays (b) raised-dot writing (c) the telephone (d) the printing press
  12. 12.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) the Wright brothers (c) Alexander Fleming (d) Johannes Gutenberg
  13. 13.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the electric battery (c) the printing press (d) the telephone
  14. 14.💡 Who gave us X-rays? (a) Alexander Fleming (b) Alessandro Volta (c) Wilhelm Röntgen (d) Edward Jenner
  15. 15.🔧 Which invention helps us talk to people far away? (a) printing press (b) thermometer (c) calculator (d) telephone
  16. 16.True or false: Alessandro Volta gave us penicillin. (a) True (b) False
  17. 17.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) the Wright brothers (c) Alessandro Volta (d) Johannes Gutenberg
  18. 18.What does a telescope help us do? (a) measure body temperature (b) do sums quickly (c) find directions (d) see faraway stars
  19. 19.True or false: a calculator helps us do sums quickly. (a) True (b) False
  20. 20.What did Louis Braille give us? (a) the smallpox vaccine (b) the printing press (c) the stethoscope (d) raised-dot writing
  21. 21.💡 Who gave us penicillin? (a) René Laennec (b) Johannes Gutenberg (c) the Wright brothers (d) Alexander Fleming
  22. 22.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) False (b) True
  23. 23.What did Wilhelm Röntgen give us? (a) penicillin (b) the first aeroplane (c) the telephone (d) X-rays
  24. 24.True or false: Wilhelm Röntgen gave us the telephone. (a) True (b) False
  25. 25.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) True (b) False
  26. 26.True or false: a telephone helps us hear the heartbeat. (a) False (b) True
  27. 27.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  28. 28.True or false: a calculator helps us hear the heartbeat. (a) True (b) False
  29. 29.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  30. 30.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  31. 31.True or false: a clock helps us see tiny germs. (a) True (b) False
  32. 32.True or false: Alexander Graham Bell gave us the stethoscope. (a) True (b) False
  33. 33.What did the Wright brothers give us? (a) the telephone (b) the printing press (c) the first aeroplane (d) the electric battery
  34. 34.What did Edward Jenner give us? (a) the telephone (b) the smallpox vaccine (c) raised-dot writing (d) the first aeroplane
  35. 35.💡 Who gave us the stethoscope? (a) René Laennec (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Alexander Fleming
  36. 36.🔧 Which invention helps us print many books? (a) printing press (b) telephone (c) thermometer (d) clock
  37. 37.True or false: a microscope helps us see tiny germs. (a) False (b) True
  38. 38.What did René Laennec give us? (a) raised-dot writing (b) the electric battery (c) the stethoscope (d) the first aeroplane
  39. 39.🔧 Which invention helps us measure body temperature? (a) microscope (b) telephone (c) printing press (d) thermometer
  40. 40.True or false: Louis Braille gave us the first aeroplane. (a) False (b) True

Answer key

  1. False
  2. False
  3. Edward Jenner
  4. microscope
  5. False
  6. False
  7. tell the time
  8. talk to people far away
  9. telescope
  10. penicillin
  11. the telephone
  12. the Wright brothers
  13. the printing press
  14. Wilhelm Röntgen
  15. telephone
  16. False
  17. Johannes Gutenberg
  18. see faraway stars
  19. True
  20. raised-dot writing
  21. Alexander Fleming
  22. False
  23. X-rays
  24. False
  25. False
  26. False
  27. False
  28. False
  29. True
  30. True
  31. False
  32. False
  33. the first aeroplane
  34. the smallpox vaccine
  35. René Laennec
  36. printing press
  37. True
  38. the stethoscope
  39. thermometer
  40. False

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