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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 840 · 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.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Alexander Fleming (d) Alessandro Volta
  2. 2.True or false: Alexander Graham Bell gave us penicillin. (a) True (b) False
  3. 3.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) telescope (d) compass
  4. 4.True or false: a telescope helps us talk to people far away. (a) False (b) True
  5. 5.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) stethoscope (c) compass (d) thermometer
  6. 6.What did the Wright brothers give us? (a) the smallpox vaccine (b) the first aeroplane (c) the electric battery (d) the printing press
  7. 7.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  8. 8.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) the Wright brothers (c) Alessandro Volta (d) René Laennec
  9. 9.True or false: a printing press helps us print many books. (a) False (b) True
  10. 10.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  11. 11.🔧 Which invention helps us find directions? (a) calculator (b) stethoscope (c) compass (d) telescope
  12. 12.What does a microscope help us do? (a) measure body temperature (b) print many books (c) see tiny germs (d) talk to people far away
  13. 13.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  14. 14.What did René Laennec give us? (a) the smallpox vaccine (b) raised-dot writing (c) the stethoscope (d) X-rays
  15. 15.True or false: a microscope helps us see tiny germs. (a) False (b) True
  16. 16.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  17. 17.What did Louis Braille give us? (a) the telephone (b) raised-dot writing (c) the electric battery (d) the smallpox vaccine
  18. 18.What did Edward Jenner give us? (a) the printing press (b) penicillin (c) the smallpox vaccine (d) the first aeroplane
  19. 19.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  20. 20.True or false: René Laennec gave us the first aeroplane. (a) False (b) True
  21. 21.True or false: René Laennec gave us the printing press. (a) False (b) True
  22. 22.True or false: Edward Jenner gave us the stethoscope. (a) True (b) False
  23. 23.💡 Who gave us the printing press? (a) Louis Braille (b) Wilhelm Röntgen (c) the Wright brothers (d) Johannes Gutenberg
  24. 24.🔧 Which invention helps us print many books? (a) printing press (b) stethoscope (c) microscope (d) thermometer
  25. 25.True or false: a thermometer helps us do sums quickly. (a) False (b) True
  26. 26.🔧 Which invention helps us see faraway stars? (a) thermometer (b) stethoscope (c) calculator (d) telescope
  27. 27.True or false: René Laennec gave us penicillin. (a) True (b) False
  28. 28.True or false: a clock helps us tell the time. (a) False (b) True
  29. 29.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  30. 30.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) calculator (c) printing press (d) clock
  31. 31.What does a clock help us do? (a) hear the heartbeat (b) tell the time (c) see tiny germs (d) talk to people far away
  32. 32.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) the Wright brothers (c) Wilhelm Röntgen (d) René Laennec
  33. 33.💡 Who gave us the electric battery? (a) Johannes Gutenberg (b) the Wright brothers (c) Alexander Fleming (d) Alessandro Volta
  34. 34.What does a printing press help us do? (a) see tiny germs (b) tell the time (c) hear the heartbeat (d) print many books
  35. 35.True or false: a microscope helps us measure body temperature. (a) True (b) False
  36. 36.💡 Who gave us penicillin? (a) Alessandro Volta (b) Alexander Fleming (c) Alexander Graham Bell (d) Edward Jenner
  37. 37.🔧 Which invention helps us measure body temperature? (a) printing press (b) compass (c) telephone (d) thermometer
  38. 38.True or false: Louis Braille gave us the printing press. (a) True (b) False
  39. 39.True or false: Johannes Gutenberg gave us penicillin. (a) True (b) False
  40. 40.True or false: a calculator helps us measure body temperature. (a) False (b) True

Answer key

  1. Alexander Graham Bell
  2. False
  3. telephone
  4. False
  5. stethoscope
  6. the first aeroplane
  7. True
  8. Wilhelm Röntgen
  9. True
  10. True
  11. compass
  12. see tiny germs
  13. True
  14. the stethoscope
  15. True
  16. True
  17. raised-dot writing
  18. the smallpox vaccine
  19. False
  20. False
  21. False
  22. False
  23. Johannes Gutenberg
  24. printing press
  25. False
  26. telescope
  27. False
  28. True
  29. True
  30. calculator
  31. tell the time
  32. the Wright brothers
  33. Alessandro Volta
  34. print many books
  35. False
  36. Alexander Fleming
  37. thermometer
  38. False
  39. False
  40. False

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