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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 105 · 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 measure body temperature? (a) calculator (b) clock (c) microscope (d) thermometer
  2. 2.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Louis Braille (c) Alexander Fleming (d) Wilhelm Röntgen
  3. 3.What did Louis Braille give us? (a) the stethoscope (b) the telephone (c) the electric battery (d) raised-dot writing
  4. 4.What does a microscope help us do? (a) see tiny germs (b) print many books (c) measure body temperature (d) find directions
  5. 5.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  6. 6.True or false: a telephone helps us do sums quickly. (a) False (b) True
  7. 7.True or false: a compass helps us find directions. (a) True (b) False
  8. 8.🔧 Which invention helps us talk to people far away? (a) telephone (b) telescope (c) calculator (d) thermometer
  9. 9.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  10. 10.🔧 Which invention helps us tell the time? (a) thermometer (b) telescope (c) microscope (d) clock
  11. 11.What does a calculator help us do? (a) do sums quickly (b) talk to people far away (c) print many books (d) hear the heartbeat
  12. 12.True or false: Edward Jenner gave us the telephone. (a) False (b) True
  13. 13.What did Edward Jenner give us? (a) X-rays (b) penicillin (c) raised-dot writing (d) the smallpox vaccine
  14. 14.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  15. 15.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  16. 16.True or false: the Wright brothers gave us the smallpox vaccine. (a) True (b) False
  17. 17.What does a stethoscope help us do? (a) hear the heartbeat (b) see faraway stars (c) tell the time (d) measure body temperature
  18. 18.What does a compass help us do? (a) see faraway stars (b) hear the heartbeat (c) find directions (d) tell the time
  19. 19.True or false: a telescope helps us print many books. (a) True (b) False
  20. 20.🔧 Which invention helps us see tiny germs? (a) clock (b) telescope (c) microscope (d) compass
  21. 21.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  22. 22.What does a printing press help us do? (a) tell the time (b) see faraway stars (c) print many books (d) measure body temperature
  23. 23.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) René Laennec (c) Alexander Fleming (d) Wilhelm Röntgen
  24. 24.What did Wilhelm Röntgen give us? (a) X-rays (b) raised-dot writing (c) the printing press (d) the telephone
  25. 25.💡 Who gave us the electric battery? (a) Wilhelm Röntgen (b) Edward Jenner (c) Alexander Graham Bell (d) Alessandro Volta
  26. 26.💡 Who gave us the telephone? (a) the Wright brothers (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Edward Jenner
  27. 27.True or false: a calculator helps us find directions. (a) True (b) False
  28. 28.💡 Who gave us penicillin? (a) René Laennec (b) the Wright brothers (c) Alexander Fleming (d) Louis Braille
  29. 29.True or false: Alexander Graham Bell gave us X-rays. (a) False (b) True
  30. 30.What did René Laennec give us? (a) raised-dot writing (b) the electric battery (c) the stethoscope (d) the first aeroplane
  31. 31.🔧 Which invention helps us see faraway stars? (a) telescope (b) microscope (c) thermometer (d) printing press
  32. 32.True or false: Alexander Graham Bell gave us penicillin. (a) False (b) True
  33. 33.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) stethoscope (c) printing press (d) compass
  34. 34.What does a clock help us do? (a) measure body temperature (b) see tiny germs (c) find directions (d) tell the time
  35. 35.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True
  36. 36.True or false: Alessandro Volta gave us raised-dot writing. (a) True (b) False
  37. 37.What does a thermometer help us do? (a) hear the heartbeat (b) measure body temperature (c) find directions (d) print many books
  38. 38.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) compass (c) telescope (d) calculator
  39. 39.True or false: a printing press helps us see faraway stars. (a) True (b) False
  40. 40.🔧 Which invention helps us print many books? (a) clock (b) calculator (c) stethoscope (d) printing press

Answer key

  1. thermometer
  2. the Wright brothers
  3. raised-dot writing
  4. see tiny germs
  5. True
  6. False
  7. True
  8. telephone
  9. True
  10. clock
  11. do sums quickly
  12. False
  13. the smallpox vaccine
  14. True
  15. True
  16. False
  17. hear the heartbeat
  18. find directions
  19. False
  20. microscope
  21. True
  22. print many books
  23. Wilhelm Röntgen
  24. X-rays
  25. Alessandro Volta
  26. Alexander Graham Bell
  27. False
  28. Alexander Fleming
  29. False
  30. the stethoscope
  31. telescope
  32. False
  33. stethoscope
  34. tell the time
  35. False
  36. False
  37. measure body temperature
  38. calculator
  39. False
  40. printing press

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