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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 671 · 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 see tiny germs. (a) True (b) False
  2. 2.💡 Who gave us penicillin? (a) René Laennec (b) Alexander Fleming (c) the Wright brothers (d) Alexander Graham Bell
  3. 3.True or false: a clock helps us hear the heartbeat. (a) False (b) True
  4. 4.True or false: the Wright brothers gave us raised-dot writing. (a) True (b) False
  5. 5.What does a microscope help us do? (a) see tiny germs (b) measure body temperature (c) do sums quickly (d) talk to people far away
  6. 6.What did Johannes Gutenberg give us? (a) the first aeroplane (b) the stethoscope (c) raised-dot writing (d) the printing press
  7. 7.What does a calculator help us do? (a) do sums quickly (b) measure body temperature (c) see faraway stars (d) hear the heartbeat
  8. 8.What did Alexander Graham Bell give us? (a) the printing press (b) the first aeroplane (c) X-rays (d) the telephone
  9. 9.What did the Wright brothers give us? (a) the printing press (b) the telephone (c) raised-dot writing (d) the first aeroplane
  10. 10.True or false: the Wright brothers gave us the electric battery. (a) True (b) False
  11. 11.🔧 Which invention helps us see faraway stars? (a) microscope (b) compass (c) thermometer (d) telescope
  12. 12.💡 Who gave us the stethoscope? (a) Alessandro Volta (b) the Wright brothers (c) René Laennec (d) Johannes Gutenberg
  13. 13.What does a telephone help us do? (a) see tiny germs (b) measure body temperature (c) talk to people far away (d) tell the time
  14. 14.What does a printing press help us do? (a) talk to people far away (b) see tiny germs (c) tell the time (d) print many books
  15. 15.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  16. 16.💡 Who gave us X-rays? (a) Edward Jenner (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) the Wright brothers
  17. 17.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alessandro Volta (c) Alexander Graham Bell (d) Louis Braille
  18. 18.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  19. 19.True or false: Louis Braille gave us the telephone. (a) True (b) False
  20. 20.💡 Who gave us the printing press? (a) Louis Braille (b) René Laennec (c) Johannes Gutenberg (d) Wilhelm Röntgen
  21. 21.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  22. 22.🔧 Which invention helps us talk to people far away? (a) thermometer (b) microscope (c) telephone (d) printing press
  23. 23.What does a clock help us do? (a) measure body temperature (b) tell the time (c) talk to people far away (d) find directions
  24. 24.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  25. 25.True or false: a telescope helps us see faraway stars. (a) False (b) True
  26. 26.🔧 Which invention helps us see tiny germs? (a) thermometer (b) telephone (c) microscope (d) printing press
  27. 27.🔧 Which invention helps us find directions? (a) calculator (b) stethoscope (c) printing press (d) compass
  28. 28.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  29. 29.True or false: a thermometer helps us do sums quickly. (a) True (b) False
  30. 30.True or false: a microscope helps us print many books. (a) False (b) True
  31. 31.True or false: a microscope helps us hear the heartbeat. (a) False (b) True
  32. 32.What does a telescope help us do? (a) see faraway stars (b) talk to people far away (c) see tiny germs (d) measure body temperature
  33. 33.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) René Laennec (c) the Wright brothers (d) Edward Jenner
  34. 34.What did Alessandro Volta give us? (a) the smallpox vaccine (b) the stethoscope (c) the first aeroplane (d) the electric battery
  35. 35.True or false: a clock helps us tell the time. (a) False (b) True
  36. 36.🔧 Which invention helps us hear the heartbeat? (a) compass (b) printing press (c) thermometer (d) stethoscope
  37. 37.What does a compass help us do? (a) talk to people far away (b) find directions (c) print many books (d) see faraway stars
  38. 38.True or false: a printing press helps us measure body temperature. (a) False (b) True
  39. 39.What does a thermometer help us do? (a) print many books (b) measure body temperature (c) do sums quickly (d) tell the time
  40. 40.True or false: Alexander Graham Bell gave us the stethoscope. (a) True (b) False

Answer key

  1. False
  2. Alexander Fleming
  3. False
  4. False
  5. see tiny germs
  6. the printing press
  7. do sums quickly
  8. the telephone
  9. the first aeroplane
  10. False
  11. telescope
  12. René Laennec
  13. talk to people far away
  14. print many books
  15. True
  16. Wilhelm Röntgen
  17. the Wright brothers
  18. True
  19. False
  20. Johannes Gutenberg
  21. True
  22. telephone
  23. tell the time
  24. True
  25. True
  26. microscope
  27. compass
  28. True
  29. False
  30. False
  31. False
  32. see faraway stars
  33. Edward Jenner
  34. the electric battery
  35. True
  36. stethoscope
  37. find directions
  38. False
  39. measure body temperature
  40. False

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