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Class 4 GK Worksheet: Inventions and Inventors

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

Answer key

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

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