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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 735 · 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.What does a telescope help us do? (a) see faraway stars (b) tell the time (c) do sums quickly (d) print many books
  2. 2.What does a microscope help us do? (a) do sums quickly (b) tell the time (c) see tiny germs (d) measure body temperature
  3. 3.🔧 Which invention helps us print many books? (a) telescope (b) printing press (c) stethoscope (d) telephone
  4. 4.What does a calculator help us do? (a) do sums quickly (b) talk to people far away (c) see faraway stars (d) hear the heartbeat
  5. 5.True or false: Louis Braille gave us the electric battery. (a) False (b) True
  6. 6.What does a telephone help us do? (a) see faraway stars (b) hear the heartbeat (c) measure body temperature (d) talk to people far away
  7. 7.💡 Who gave us X-rays? (a) Edward Jenner (b) Wilhelm Röntgen (c) the Wright brothers (d) Alexander Fleming
  8. 8.What did Alessandro Volta give us? (a) the first aeroplane (b) raised-dot writing (c) the printing press (d) the electric battery
  9. 9.🔧 Which invention helps us measure body temperature? (a) telephone (b) calculator (c) stethoscope (d) thermometer
  10. 10.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) telescope (c) calculator (d) telephone
  11. 11.🔧 Which invention helps us do sums quickly? (a) thermometer (b) calculator (c) stethoscope (d) microscope
  12. 12.🔧 Which invention helps us tell the time? (a) stethoscope (b) thermometer (c) telescope (d) clock
  13. 13.💡 Who gave us the stethoscope? (a) Louis Braille (b) Alexander Fleming (c) René Laennec (d) Alessandro Volta
  14. 14.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  15. 15.What does a clock help us do? (a) see tiny germs (b) talk to people far away (c) do sums quickly (d) tell the time
  16. 16.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alexander Fleming (c) the Wright brothers (d) Wilhelm Röntgen
  17. 17.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  18. 18.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  19. 19.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) True (b) False
  20. 20.True or false: a telephone helps us talk to people far away. (a) True (b) False
  21. 21.True or false: a telephone helps us find directions. (a) False (b) True
  22. 22.What did Edward Jenner give us? (a) the first aeroplane (b) the smallpox vaccine (c) raised-dot writing (d) the electric battery
  23. 23.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  24. 24.True or false: Wilhelm Röntgen gave us penicillin. (a) True (b) False
  25. 25.💡 Who gave us the smallpox vaccine? (a) René Laennec (b) Johannes Gutenberg (c) Edward Jenner (d) Alessandro Volta
  26. 26.True or false: a stethoscope helps us measure body temperature. (a) False (b) True
  27. 27.What did Alexander Graham Bell give us? (a) the telephone (b) the first aeroplane (c) penicillin (d) the printing press
  28. 28.True or false: Alexander Graham Bell gave us X-rays. (a) False (b) True
  29. 29.What does a compass help us do? (a) hear the heartbeat (b) see tiny germs (c) find directions (d) tell the time
  30. 30.True or false: a thermometer helps us find directions. (a) False (b) True
  31. 31.True or false: a clock helps us talk to people far away. (a) False (b) True
  32. 32.What did Johannes Gutenberg give us? (a) the first aeroplane (b) the printing press (c) raised-dot writing (d) the smallpox vaccine
  33. 33.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  34. 34.True or false: a printing press helps us see faraway stars. (a) True (b) False
  35. 35.What did Louis Braille give us? (a) the telephone (b) penicillin (c) raised-dot writing (d) the printing press
  36. 36.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Alessandro Volta (c) Alexander Fleming (d) René Laennec
  37. 37.True or false: a clock helps us hear the heartbeat. (a) True (b) False
  38. 38.What did the Wright brothers give us? (a) the telephone (b) the first aeroplane (c) raised-dot writing (d) the electric battery
  39. 39.What did René Laennec give us? (a) the printing press (b) the stethoscope (c) penicillin (d) the first aeroplane
  40. 40.True or false: a calculator helps us hear the heartbeat. (a) True (b) False

Answer key

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

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