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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 167 · 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 compass helps us do sums quickly. (a) False (b) True
  2. 2.🔧 Which invention helps us see tiny germs? (a) telescope (b) microscope (c) compass (d) thermometer
  3. 3.What does a clock help us do? (a) print many books (b) talk to people far away (c) hear the heartbeat (d) tell the time
  4. 4.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) X-rays (c) raised-dot writing (d) the printing press
  5. 5.True or false: a microscope helps us see faraway stars. (a) False (b) True
  6. 6.🔧 Which invention helps us tell the time? (a) clock (b) thermometer (c) telephone (d) printing press
  7. 7.What did Johannes Gutenberg give us? (a) the printing press (b) X-rays (c) the telephone (d) penicillin
  8. 8.What did Edward Jenner give us? (a) raised-dot writing (b) the first aeroplane (c) the smallpox vaccine (d) X-rays
  9. 9.🔧 Which invention helps us talk to people far away? (a) microscope (b) telephone (c) printing press (d) telescope
  10. 10.True or false: a clock helps us do sums quickly. (a) True (b) False
  11. 11.What does a thermometer help us do? (a) hear the heartbeat (b) tell the time (c) see tiny germs (d) measure body temperature
  12. 12.True or false: Edward Jenner gave us the telephone. (a) True (b) False
  13. 13.💡 Who gave us the telephone? (a) René Laennec (b) Alexander Graham Bell (c) Edward Jenner (d) Louis Braille
  14. 14.What does a stethoscope help us do? (a) hear the heartbeat (b) tell the time (c) measure body temperature (d) do sums quickly
  15. 15.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  16. 16.💡 Who gave us the electric battery? (a) Edward Jenner (b) Alessandro Volta (c) Johannes Gutenberg (d) Wilhelm Röntgen
  17. 17.True or false: a clock helps us see tiny germs. (a) False (b) True
  18. 18.🔧 Which invention helps us measure body temperature? (a) printing press (b) calculator (c) thermometer (d) compass
  19. 19.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Johannes Gutenberg (c) the Wright brothers (d) Alexander Fleming
  20. 20.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) the Wright brothers (c) Wilhelm Röntgen (d) Alexander Fleming
  21. 21.🔧 Which invention helps us hear the heartbeat? (a) telescope (b) telephone (c) stethoscope (d) thermometer
  22. 22.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Edward Jenner (c) Alexander Fleming (d) Alessandro Volta
  23. 23.True or false: Edward Jenner gave us X-rays. (a) True (b) False
  24. 24.What did Alexander Graham Bell give us? (a) the telephone (b) penicillin (c) the smallpox vaccine (d) raised-dot writing
  25. 25.🔧 Which invention helps us print many books? (a) printing press (b) telephone (c) compass (d) telescope
  26. 26.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) the Wright brothers (c) Louis Braille (d) Johannes Gutenberg
  27. 27.True or false: a compass helps us hear the heartbeat. (a) False (b) True
  28. 28.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) False (b) True
  29. 29.True or false: a microscope helps us print many books. (a) True (b) False
  30. 30.True or false: a compass helps us find directions. (a) True (b) False
  31. 31.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  32. 32.True or false: Louis Braille gave us the printing press. (a) True (b) False
  33. 33.What does a compass help us do? (a) talk to people far away (b) tell the time (c) print many books (d) find directions
  34. 34.What does a telescope help us do? (a) hear the heartbeat (b) see faraway stars (c) print many books (d) do sums quickly
  35. 35.True or false: a telephone helps us see faraway stars. (a) False (b) True
  36. 36.What does a telephone help us do? (a) talk to people far away (b) measure body temperature (c) see faraway stars (d) hear the heartbeat
  37. 37.🔧 Which invention helps us find directions? (a) printing press (b) telephone (c) stethoscope (d) compass
  38. 38.💡 Who gave us the stethoscope? (a) René Laennec (b) Alexander Graham Bell (c) the Wright brothers (d) Alexander Fleming
  39. 39.True or false: a calculator helps us see faraway stars. (a) True (b) False
  40. 40.What did Louis Braille give us? (a) the stethoscope (b) raised-dot writing (c) the printing press (d) the telephone

Answer key

  1. False
  2. microscope
  3. tell the time
  4. X-rays
  5. False
  6. clock
  7. the printing press
  8. the smallpox vaccine
  9. telephone
  10. False
  11. measure body temperature
  12. False
  13. Alexander Graham Bell
  14. hear the heartbeat
  15. True
  16. Alessandro Volta
  17. False
  18. thermometer
  19. the Wright brothers
  20. Wilhelm Röntgen
  21. stethoscope
  22. Edward Jenner
  23. False
  24. the telephone
  25. printing press
  26. Louis Braille
  27. False
  28. False
  29. False
  30. True
  31. True
  32. False
  33. find directions
  34. see faraway stars
  35. False
  36. talk to people far away
  37. compass
  38. René Laennec
  39. False
  40. raised-dot writing

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