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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 484 · 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 thermometer help us do? (a) see faraway stars (b) talk to people far away (c) hear the heartbeat (d) measure body temperature
  2. 2.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  3. 3.💡 Who gave us the electric battery? (a) René Laennec (b) Edward Jenner (c) Louis Braille (d) Alessandro Volta
  4. 4.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) X-rays (c) the stethoscope (d) penicillin
  5. 5.What does a telephone help us do? (a) talk to people far away (b) measure body temperature (c) do sums quickly (d) print many books
  6. 6.True or false: a printing press helps us talk to people far away. (a) False (b) True
  7. 7.What did the Wright brothers give us? (a) the stethoscope (b) raised-dot writing (c) the printing press (d) the first aeroplane
  8. 8.True or false: Wilhelm Röntgen gave us penicillin. (a) False (b) True
  9. 9.🔧 Which invention helps us see tiny germs? (a) compass (b) telescope (c) microscope (d) thermometer
  10. 10.What does a calculator help us do? (a) print many books (b) do sums quickly (c) tell the time (d) measure body temperature
  11. 11.True or false: a compass helps us hear the heartbeat. (a) True (b) False
  12. 12.What does a microscope help us do? (a) see tiny germs (b) tell the time (c) do sums quickly (d) measure body temperature
  13. 13.🔧 Which invention helps us do sums quickly? (a) thermometer (b) calculator (c) microscope (d) stethoscope
  14. 14.True or false: the Wright brothers gave us the telephone. (a) False (b) True
  15. 15.💡 Who gave us X-rays? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) Alexander Fleming
  16. 16.What did Johannes Gutenberg give us? (a) the stethoscope (b) penicillin (c) the printing press (d) the electric battery
  17. 17.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  18. 18.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) True (b) False
  19. 19.True or false: a telescope helps us measure body temperature. (a) True (b) False
  20. 20.🔧 Which invention helps us tell the time? (a) calculator (b) clock (c) stethoscope (d) telephone
  21. 21.What does a stethoscope help us do? (a) see faraway stars (b) hear the heartbeat (c) see tiny germs (d) do sums quickly
  22. 22.True or false: a compass helps us find directions. (a) True (b) False
  23. 23.💡 Who gave us the stethoscope? (a) Louis Braille (b) Alessandro Volta (c) René Laennec (d) Alexander Graham Bell
  24. 24.What did Louis Braille give us? (a) the first aeroplane (b) the smallpox vaccine (c) the printing press (d) raised-dot writing
  25. 25.What did Alexander Graham Bell give us? (a) the first aeroplane (b) the printing press (c) the telephone (d) X-rays
  26. 26.True or false: a telescope helps us find directions. (a) False (b) True
  27. 27.What does a compass help us do? (a) find directions (b) measure body temperature (c) talk to people far away (d) tell the time
  28. 28.True or false: a compass helps us talk to people far away. (a) False (b) True
  29. 29.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) microscope (c) stethoscope (d) clock
  30. 30.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  31. 31.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Edward Jenner (c) Louis Braille (d) Johannes Gutenberg
  32. 32.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) the Wright brothers (c) Alexander Graham Bell (d) Wilhelm Röntgen
  33. 33.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  34. 34.True or false: a calculator helps us see faraway stars. (a) False (b) True
  35. 35.🔧 Which invention helps us measure body temperature? (a) printing press (b) calculator (c) telephone (d) thermometer
  36. 36.What did Alessandro Volta give us? (a) the stethoscope (b) the printing press (c) the electric battery (d) the telephone
  37. 37.What does a telescope help us do? (a) talk to people far away (b) tell the time (c) measure body temperature (d) see faraway stars
  38. 38.True or false: a calculator helps us talk to people far away. (a) True (b) False
  39. 39.True or false: a calculator helps us find directions. (a) False (b) True
  40. 40.💡 Who gave us penicillin? (a) René Laennec (b) Alexander Fleming (c) Alexander Graham Bell (d) Edward Jenner

Answer key

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

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