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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 726 · 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.🔧 Which invention helps us do sums quickly? (a) clock (b) compass (c) calculator (d) stethoscope
  2. 2.💡 Who gave us X-rays? (a) Louis Braille (b) René Laennec (c) Wilhelm Röntgen (d) Alexander Graham Bell
  3. 3.💡 Who gave us the printing press? (a) Louis Braille (b) Alessandro Volta (c) René Laennec (d) Johannes Gutenberg
  4. 4.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  5. 5.True or false: a stethoscope helps us see tiny germs. (a) True (b) False
  6. 6.True or false: Johannes Gutenberg gave us the telephone. (a) True (b) False
  7. 7.What does a thermometer help us do? (a) see faraway stars (b) tell the time (c) measure body temperature (d) hear the heartbeat
  8. 8.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) the Wright brothers (c) René Laennec (d) Edward Jenner
  9. 9.True or false: a calculator helps us hear the heartbeat. (a) True (b) False
  10. 10.What did Edward Jenner give us? (a) penicillin (b) raised-dot writing (c) the smallpox vaccine (d) the telephone
  11. 11.🔧 Which invention helps us tell the time? (a) thermometer (b) compass (c) printing press (d) clock
  12. 12.What does a clock help us do? (a) tell the time (b) see faraway stars (c) do sums quickly (d) find directions
  13. 13.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  14. 14.🔧 Which invention helps us see faraway stars? (a) telescope (b) printing press (c) thermometer (d) clock
  15. 15.What did the Wright brothers give us? (a) the first aeroplane (b) X-rays (c) the electric battery (d) the printing press
  16. 16.🔧 Which invention helps us talk to people far away? (a) printing press (b) compass (c) stethoscope (d) telephone
  17. 17.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  18. 18.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  19. 19.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) René Laennec (c) Alexander Fleming (d) Edward Jenner
  20. 20.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) True (b) False
  21. 21.True or false: a telephone helps us talk to people far away. (a) False (b) True
  22. 22.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Alessandro Volta (c) the Wright brothers (d) René Laennec
  23. 23.True or false: a compass helps us find directions. (a) True (b) False
  24. 24.True or false: a telescope helps us see tiny germs. (a) False (b) True
  25. 25.💡 Who gave us the telephone? (a) Louis Braille (b) Alexander Fleming (c) Alexander Graham Bell (d) Alessandro Volta
  26. 26.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) telephone (c) stethoscope (d) microscope
  27. 27.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  28. 28.What did Alexander Fleming give us? (a) the stethoscope (b) X-rays (c) penicillin (d) the first aeroplane
  29. 29.What does a telescope help us do? (a) do sums quickly (b) see tiny germs (c) see faraway stars (d) tell the time
  30. 30.What did Alexander Graham Bell give us? (a) the telephone (b) the stethoscope (c) penicillin (d) the smallpox vaccine
  31. 31.🔧 Which invention helps us measure body temperature? (a) thermometer (b) printing press (c) microscope (d) telescope
  32. 32.True or false: Alessandro Volta gave us raised-dot writing. (a) False (b) True
  33. 33.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  34. 34.What does a calculator help us do? (a) do sums quickly (b) hear the heartbeat (c) talk to people far away (d) find directions
  35. 35.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  36. 36.What did René Laennec give us? (a) the first aeroplane (b) the stethoscope (c) the printing press (d) the telephone
  37. 37.What does a telephone help us do? (a) measure body temperature (b) hear the heartbeat (c) see faraway stars (d) talk to people far away
  38. 38.What does a microscope help us do? (a) find directions (b) print many books (c) see tiny germs (d) tell the time
  39. 39.True or false: a clock helps us tell the time. (a) True (b) False
  40. 40.True or false: a clock helps us print many books. (a) False (b) True

Answer key

  1. calculator
  2. Wilhelm Röntgen
  3. Johannes Gutenberg
  4. True
  5. False
  6. False
  7. measure body temperature
  8. the Wright brothers
  9. False
  10. the smallpox vaccine
  11. clock
  12. tell the time
  13. True
  14. telescope
  15. the first aeroplane
  16. telephone
  17. False
  18. True
  19. René Laennec
  20. False
  21. True
  22. Alessandro Volta
  23. True
  24. False
  25. Alexander Graham Bell
  26. stethoscope
  27. True
  28. penicillin
  29. see faraway stars
  30. the telephone
  31. thermometer
  32. False
  33. True
  34. do sums quickly
  35. True
  36. the stethoscope
  37. talk to people far away
  38. see tiny germs
  39. True
  40. False

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