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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 281 · 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 find directions? (a) telephone (b) clock (c) compass (d) telescope
  2. 2.🔧 Which invention helps us measure body temperature? (a) compass (b) printing press (c) clock (d) thermometer
  3. 3.True or false: a microscope helps us see tiny germs. (a) False (b) True
  4. 4.What did Wilhelm Röntgen give us? (a) the electric battery (b) the printing press (c) the stethoscope (d) X-rays
  5. 5.True or false: a microscope helps us hear the heartbeat. (a) False (b) True
  6. 6.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Edward Jenner (c) Wilhelm Röntgen (d) Alexander Graham Bell
  7. 7.True or false: Edward Jenner gave us the telephone. (a) False (b) True
  8. 8.💡 Who gave us the electric battery? (a) Johannes Gutenberg (b) the Wright brothers (c) Wilhelm Röntgen (d) Alessandro Volta
  9. 9.What does a calculator help us do? (a) hear the heartbeat (b) find directions (c) do sums quickly (d) tell the time
  10. 10.What does a clock help us do? (a) measure body temperature (b) hear the heartbeat (c) talk to people far away (d) tell the time
  11. 11.What does a printing press help us do? (a) print many books (b) measure body temperature (c) talk to people far away (d) tell the time
  12. 12.True or false: a compass helps us find directions. (a) True (b) False
  13. 13.💡 Who gave us penicillin? (a) Alexander Fleming (b) the Wright brothers (c) Wilhelm Röntgen (d) Edward Jenner
  14. 14.True or false: a printing press helps us measure body temperature. (a) True (b) False
  15. 15.True or false: a telescope helps us see faraway stars. (a) True (b) False
  16. 16.💡 Who gave us the telephone? (a) Alexander Fleming (b) Alessandro Volta (c) the Wright brothers (d) Alexander Graham Bell
  17. 17.🔧 Which invention helps us see faraway stars? (a) telescope (b) stethoscope (c) printing press (d) clock
  18. 18.True or false: Louis Braille gave us the first aeroplane. (a) True (b) False
  19. 19.What does a stethoscope help us do? (a) find directions (b) see tiny germs (c) hear the heartbeat (d) talk to people far away
  20. 20.What did Edward Jenner give us? (a) the smallpox vaccine (b) the stethoscope (c) the telephone (d) penicillin
  21. 21.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  22. 22.What did René Laennec give us? (a) the stethoscope (b) the printing press (c) the first aeroplane (d) X-rays
  23. 23.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  24. 24.🔧 Which invention helps us do sums quickly? (a) thermometer (b) compass (c) calculator (d) microscope
  25. 25.🔧 Which invention helps us tell the time? (a) thermometer (b) clock (c) stethoscope (d) microscope
  26. 26.True or false: the Wright brothers gave us X-rays. (a) False (b) True
  27. 27.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) telescope (c) thermometer (d) stethoscope
  28. 28.💡 Who gave us the printing press? (a) the Wright brothers (b) René Laennec (c) Edward Jenner (d) Johannes Gutenberg
  29. 29.What did Alexander Graham Bell give us? (a) penicillin (b) the stethoscope (c) the telephone (d) raised-dot writing
  30. 30.What did the Wright brothers give us? (a) X-rays (b) the first aeroplane (c) the telephone (d) the stethoscope
  31. 31.True or false: René Laennec gave us the smallpox vaccine. (a) False (b) True
  32. 32.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Alexander Fleming (c) Louis Braille (d) René Laennec
  33. 33.True or false: René Laennec gave us the first aeroplane. (a) True (b) False
  34. 34.True or false: Alexander Fleming gave us the first aeroplane. (a) True (b) False
  35. 35.True or false: Alexander Graham Bell gave us penicillin. (a) False (b) True
  36. 36.🔧 Which invention helps us talk to people far away? (a) calculator (b) stethoscope (c) telephone (d) microscope
  37. 37.What does a telescope help us do? (a) see faraway stars (b) tell the time (c) measure body temperature (d) find directions
  38. 38.What did Louis Braille give us? (a) penicillin (b) raised-dot writing (c) the electric battery (d) X-rays
  39. 39.True or false: a telephone helps us find directions. (a) True (b) False
  40. 40.True or false: Edward Jenner gave us X-rays. (a) True (b) False

Answer key

  1. compass
  2. thermometer
  3. True
  4. X-rays
  5. False
  6. Edward Jenner
  7. False
  8. Alessandro Volta
  9. do sums quickly
  10. tell the time
  11. print many books
  12. True
  13. Alexander Fleming
  14. False
  15. True
  16. Alexander Graham Bell
  17. telescope
  18. False
  19. hear the heartbeat
  20. the smallpox vaccine
  21. True
  22. the stethoscope
  23. True
  24. calculator
  25. clock
  26. False
  27. stethoscope
  28. Johannes Gutenberg
  29. the telephone
  30. the first aeroplane
  31. False
  32. Louis Braille
  33. False
  34. False
  35. False
  36. telephone
  37. see faraway stars
  38. raised-dot writing
  39. False
  40. False

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