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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 284 · 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 hear the heartbeat? (a) microscope (b) stethoscope (c) thermometer (d) telephone
  2. 2.💡 Who gave us X-rays? (a) Louis Braille (b) Wilhelm Röntgen (c) René Laennec (d) Alessandro Volta
  3. 3.True or false: a microscope helps us talk to people far away. (a) False (b) True
  4. 4.True or false: Alexander Graham Bell gave us the electric battery. (a) False (b) True
  5. 5.🔧 Which invention helps us measure body temperature? (a) calculator (b) stethoscope (c) telephone (d) thermometer
  6. 6.💡 Who gave us the stethoscope? (a) Edward Jenner (b) René Laennec (c) Wilhelm Röntgen (d) Alexander Fleming
  7. 7.True or false: a microscope helps us do sums quickly. (a) True (b) False
  8. 8.What did Alessandro Volta give us? (a) the stethoscope (b) X-rays (c) the electric battery (d) raised-dot writing
  9. 9.What does a telephone help us do? (a) see faraway stars (b) talk to people far away (c) see tiny germs (d) tell the time
  10. 10.True or false: Louis Braille gave us penicillin. (a) True (b) False
  11. 11.True or false: a microscope helps us hear the heartbeat. (a) False (b) True
  12. 12.True or false: a calculator helps us do sums quickly. (a) False (b) True
  13. 13.True or false: Alessandro Volta gave us the telephone. (a) True (b) False
  14. 14.What does a clock help us do? (a) see faraway stars (b) tell the time (c) see tiny germs (d) measure body temperature
  15. 15.True or false: a printing press helps us hear the heartbeat. (a) True (b) False
  16. 16.💡 Who gave us the electric battery? (a) Edward Jenner (b) Louis Braille (c) Alessandro Volta (d) René Laennec
  17. 17.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) the Wright brothers (d) Louis Braille
  18. 18.True or false: Alexander Fleming gave us the printing press. (a) False (b) True
  19. 19.🔧 Which invention helps us do sums quickly? (a) compass (b) telescope (c) thermometer (d) calculator
  20. 20.What does a calculator help us do? (a) talk to people far away (b) do sums quickly (c) tell the time (d) print many books
  21. 21.💡 Who gave us the smallpox vaccine? (a) René Laennec (b) Alessandro Volta (c) Edward Jenner (d) Johannes Gutenberg
  22. 22.What did Wilhelm Röntgen give us? (a) X-rays (b) the electric battery (c) the stethoscope (d) the printing press
  23. 23.True or false: a compass helps us talk to people far away. (a) True (b) False
  24. 24.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  25. 25.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) René Laennec (c) Wilhelm Röntgen (d) Louis Braille
  26. 26.💡 Who gave us the printing press? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) Louis Braille
  27. 27.True or false: a compass helps us find directions. (a) False (b) True
  28. 28.🔧 Which invention helps us tell the time? (a) compass (b) stethoscope (c) telephone (d) clock
  29. 29.What does a stethoscope help us do? (a) measure body temperature (b) find directions (c) hear the heartbeat (d) talk to people far away
  30. 30.What does a printing press help us do? (a) print many books (b) hear the heartbeat (c) tell the time (d) talk to people far away
  31. 31.True or false: a clock helps us find directions. (a) True (b) False
  32. 32.True or false: a telephone helps us talk to people far away. (a) True (b) False
  33. 33.True or false: the Wright brothers gave us the smallpox vaccine. (a) False (b) True
  34. 34.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  35. 35.🔧 Which invention helps us find directions? (a) printing press (b) microscope (c) compass (d) thermometer
  36. 36.What did Louis Braille give us? (a) the smallpox vaccine (b) raised-dot writing (c) the first aeroplane (d) penicillin
  37. 37.What did the Wright brothers give us? (a) the first aeroplane (b) raised-dot writing (c) the telephone (d) the smallpox vaccine
  38. 38.True or false: a printing press helps us tell the time. (a) True (b) False
  39. 39.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  40. 40.What does a telescope help us do? (a) tell the time (b) find directions (c) do sums quickly (d) see faraway stars

Answer key

  1. stethoscope
  2. Wilhelm Röntgen
  3. False
  4. False
  5. thermometer
  6. René Laennec
  7. False
  8. the electric battery
  9. talk to people far away
  10. False
  11. False
  12. True
  13. False
  14. tell the time
  15. False
  16. Alessandro Volta
  17. the Wright brothers
  18. False
  19. calculator
  20. do sums quickly
  21. Edward Jenner
  22. X-rays
  23. False
  24. True
  25. Louis Braille
  26. Johannes Gutenberg
  27. True
  28. clock
  29. hear the heartbeat
  30. print many books
  31. False
  32. True
  33. False
  34. True
  35. compass
  36. raised-dot writing
  37. the first aeroplane
  38. False
  39. True
  40. see faraway stars

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