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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 376 · 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 telescope helps us measure body temperature. (a) False (b) True
  2. 2.True or false: Alexander Graham Bell gave us the electric battery. (a) False (b) True
  3. 3.What did the Wright brothers give us? (a) the stethoscope (b) the electric battery (c) the telephone (d) the first aeroplane
  4. 4.True or false: Wilhelm Röntgen gave us the electric battery. (a) False (b) True
  5. 5.What does a clock help us do? (a) tell the time (b) print many books (c) measure body temperature (d) see faraway stars
  6. 6.💡 Who gave us the stethoscope? (a) Alessandro Volta (b) Alexander Graham Bell (c) René Laennec (d) Wilhelm Röntgen
  7. 7.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  8. 8.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  9. 9.What does a compass help us do? (a) talk to people far away (b) find directions (c) hear the heartbeat (d) tell the time
  10. 10.What does a calculator help us do? (a) see tiny germs (b) do sums quickly (c) talk to people far away (d) hear the heartbeat
  11. 11.What does a printing press help us do? (a) do sums quickly (b) hear the heartbeat (c) print many books (d) measure body temperature
  12. 12.What does a telescope help us do? (a) talk to people far away (b) see faraway stars (c) print many books (d) find directions
  13. 13.True or false: a printing press helps us talk to people far away. (a) True (b) False
  14. 14.What does a microscope help us do? (a) find directions (b) do sums quickly (c) talk to people far away (d) see tiny germs
  15. 15.True or false: the Wright brothers gave us the telephone. (a) True (b) False
  16. 16.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  17. 17.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  18. 18.🔧 Which invention helps us find directions? (a) telephone (b) compass (c) calculator (d) microscope
  19. 19.🔧 Which invention helps us see tiny germs? (a) telescope (b) stethoscope (c) microscope (d) telephone
  20. 20.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  21. 21.🔧 Which invention helps us see faraway stars? (a) clock (b) printing press (c) telephone (d) telescope
  22. 22.What did Wilhelm Röntgen give us? (a) penicillin (b) the first aeroplane (c) the telephone (d) X-rays
  23. 23.What does a stethoscope help us do? (a) see tiny germs (b) talk to people far away (c) print many books (d) hear the heartbeat
  24. 24.True or false: a calculator helps us see faraway stars. (a) True (b) False
  25. 25.🔧 Which invention helps us tell the time? (a) telephone (b) thermometer (c) clock (d) printing press
  26. 26.True or false: the Wright brothers gave us the stethoscope. (a) False (b) True
  27. 27.What did Johannes Gutenberg give us? (a) penicillin (b) the smallpox vaccine (c) the printing press (d) the telephone
  28. 28.🔧 Which invention helps us do sums quickly? (a) printing press (b) microscope (c) compass (d) calculator
  29. 29.What did Louis Braille give us? (a) penicillin (b) the smallpox vaccine (c) raised-dot writing (d) the first aeroplane
  30. 30.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) False (b) True
  31. 31.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Johannes Gutenberg (c) Louis Braille (d) Alessandro Volta
  32. 32.True or false: a telescope helps us see faraway stars. (a) True (b) False
  33. 33.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) Alexander Fleming (c) Alexander Graham Bell (d) Johannes Gutenberg
  34. 34.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) René Laennec
  35. 35.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) the Wright brothers (c) Edward Jenner (d) Johannes Gutenberg
  36. 36.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  37. 37.True or false: a thermometer helps us do sums quickly. (a) False (b) True
  38. 38.🔧 Which invention helps us measure body temperature? (a) microscope (b) telescope (c) clock (d) thermometer
  39. 39.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) False (b) True
  40. 40.True or false: a thermometer helps us see tiny germs. (a) False (b) True

Answer key

  1. False
  2. False
  3. the first aeroplane
  4. False
  5. tell the time
  6. René Laennec
  7. True
  8. True
  9. find directions
  10. do sums quickly
  11. print many books
  12. see faraway stars
  13. False
  14. see tiny germs
  15. False
  16. True
  17. True
  18. compass
  19. microscope
  20. True
  21. telescope
  22. X-rays
  23. hear the heartbeat
  24. False
  25. clock
  26. False
  27. the printing press
  28. calculator
  29. raised-dot writing
  30. False
  31. Alessandro Volta
  32. True
  33. Johannes Gutenberg
  34. Louis Braille
  35. the Wright brothers
  36. True
  37. False
  38. thermometer
  39. False
  40. False

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