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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 507 · 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 clock helps us tell the time. (a) True (b) False
  2. 2.True or false: a telescope helps us hear the heartbeat. (a) True (b) False
  3. 3.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  4. 4.What did Wilhelm Röntgen give us? (a) the telephone (b) the electric battery (c) X-rays (d) the smallpox vaccine
  5. 5.What did Alessandro Volta give us? (a) X-rays (b) the first aeroplane (c) the printing press (d) the electric battery
  6. 6.🔧 Which invention helps us print many books? (a) telescope (b) calculator (c) telephone (d) printing press
  7. 7.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Louis Braille (c) Alexander Graham Bell (d) Wilhelm Röntgen
  8. 8.What does a compass help us do? (a) do sums quickly (b) tell the time (c) find directions (d) see faraway stars
  9. 9.What does a clock help us do? (a) hear the heartbeat (b) print many books (c) tell the time (d) measure body temperature
  10. 10.What did the Wright brothers give us? (a) the telephone (b) the printing press (c) the first aeroplane (d) the electric battery
  11. 11.True or false: a telescope helps us see faraway stars. (a) False (b) True
  12. 12.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  13. 13.What did Johannes Gutenberg give us? (a) the smallpox vaccine (b) X-rays (c) the printing press (d) the telephone
  14. 14.🔧 Which invention helps us tell the time? (a) clock (b) telescope (c) microscope (d) printing press
  15. 15.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Louis Braille (c) Wilhelm Röntgen (d) Edward Jenner
  16. 16.🔧 Which invention helps us measure body temperature? (a) telephone (b) microscope (c) stethoscope (d) thermometer
  17. 17.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) telephone (c) clock (d) stethoscope
  18. 18.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  19. 19.What does a microscope help us do? (a) see tiny germs (b) see faraway stars (c) measure body temperature (d) print many books
  20. 20.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the smallpox vaccine (d) the electric battery
  21. 21.True or false: a thermometer helps us see faraway stars. (a) True (b) False
  22. 22.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) compass (c) telephone (d) thermometer
  23. 23.True or false: the Wright brothers gave us the printing press. (a) True (b) False
  24. 24.🔧 Which invention helps us find directions? (a) thermometer (b) telephone (c) telescope (d) compass
  25. 25.What does a telephone help us do? (a) hear the heartbeat (b) do sums quickly (c) see faraway stars (d) talk to people far away
  26. 26.🔧 Which invention helps us see tiny germs? (a) compass (b) stethoscope (c) microscope (d) clock
  27. 27.💡 Who gave us the telephone? (a) Alessandro Volta (b) Alexander Graham Bell (c) René Laennec (d) Edward Jenner
  28. 28.What does a stethoscope help us do? (a) find directions (b) do sums quickly (c) hear the heartbeat (d) tell the time
  29. 29.What did Edward Jenner give us? (a) the printing press (b) the electric battery (c) the stethoscope (d) the smallpox vaccine
  30. 30.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  31. 31.🔧 Which invention helps us see faraway stars? (a) compass (b) printing press (c) calculator (d) telescope
  32. 32.True or false: a calculator helps us talk to people far away. (a) False (b) True
  33. 33.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  34. 34.True or false: a printing press helps us print many books. (a) True (b) False
  35. 35.What did Alexander Graham Bell give us? (a) the printing press (b) the smallpox vaccine (c) raised-dot writing (d) the telephone
  36. 36.True or false: a telephone helps us do sums quickly. (a) True (b) False
  37. 37.True or false: a compass helps us measure body temperature. (a) False (b) True
  38. 38.True or false: René Laennec gave us raised-dot writing. (a) False (b) True
  39. 39.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  40. 40.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) the Wright brothers

Answer key

  1. True
  2. False
  3. True
  4. X-rays
  5. the electric battery
  6. printing press
  7. Wilhelm Röntgen
  8. find directions
  9. tell the time
  10. the first aeroplane
  11. True
  12. True
  13. the printing press
  14. clock
  15. Alessandro Volta
  16. thermometer
  17. stethoscope
  18. True
  19. see tiny germs
  20. penicillin
  21. False
  22. telephone
  23. False
  24. compass
  25. talk to people far away
  26. microscope
  27. Alexander Graham Bell
  28. hear the heartbeat
  29. the smallpox vaccine
  30. True
  31. telescope
  32. False
  33. True
  34. True
  35. the telephone
  36. False
  37. False
  38. False
  39. True
  40. the Wright brothers

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