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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 648 · 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.What does a telephone help us do? (a) talk to people far away (b) hear the heartbeat (c) print many books (d) find directions
  2. 2.True or false: a microscope helps us see tiny germs. (a) True (b) False
  3. 3.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  4. 4.True or false: a compass helps us find directions. (a) True (b) False
  5. 5.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) compass (c) clock (d) microscope
  6. 6.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  7. 7.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the first aeroplane (c) the electric battery (d) the telephone
  8. 8.What does a compass help us do? (a) find directions (b) do sums quickly (c) tell the time (d) talk to people far away
  9. 9.🔧 Which invention helps us tell the time? (a) calculator (b) thermometer (c) clock (d) printing press
  10. 10.True or false: Johannes Gutenberg gave us the telephone. (a) False (b) True
  11. 11.💡 Who gave us X-rays? (a) Alexander Fleming (b) the Wright brothers (c) Wilhelm Röntgen (d) Louis Braille
  12. 12.What does a calculator help us do? (a) measure body temperature (b) see tiny germs (c) hear the heartbeat (d) do sums quickly
  13. 13.💡 Who gave us the telephone? (a) Louis Braille (b) Edward Jenner (c) Alessandro Volta (d) Alexander Graham Bell
  14. 14.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) Alexander Graham Bell (c) Alexander Fleming (d) the Wright brothers
  15. 15.What does a stethoscope help us do? (a) see tiny germs (b) tell the time (c) hear the heartbeat (d) see faraway stars
  16. 16.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Louis Braille (c) Johannes Gutenberg (d) Wilhelm Röntgen
  17. 17.What did Louis Braille give us? (a) the electric battery (b) X-rays (c) raised-dot writing (d) penicillin
  18. 18.What does a clock help us do? (a) print many books (b) see tiny germs (c) measure body temperature (d) tell the time
  19. 19.🔧 Which invention helps us do sums quickly? (a) microscope (b) clock (c) printing press (d) calculator
  20. 20.🔧 Which invention helps us hear the heartbeat? (a) compass (b) calculator (c) telephone (d) stethoscope
  21. 21.What does a thermometer help us do? (a) see tiny germs (b) see faraway stars (c) print many books (d) measure body temperature
  22. 22.True or false: a telescope helps us do sums quickly. (a) False (b) True
  23. 23.What did Alessandro Volta give us? (a) the first aeroplane (b) the electric battery (c) X-rays (d) the smallpox vaccine
  24. 24.🔧 Which invention helps us measure body temperature? (a) calculator (b) telescope (c) clock (d) thermometer
  25. 25.True or false: a telephone helps us talk to people far away. (a) True (b) False
  26. 26.💡 Who gave us penicillin? (a) René Laennec (b) Wilhelm Röntgen (c) Alexander Fleming (d) Johannes Gutenberg
  27. 27.🔧 Which invention helps us see faraway stars? (a) printing press (b) telescope (c) compass (d) stethoscope
  28. 28.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Louis Braille (c) René Laennec (d) Edward Jenner
  29. 29.True or false: a telescope helps us see faraway stars. (a) True (b) False
  30. 30.True or false: Johannes Gutenberg gave us the electric battery. (a) False (b) True
  31. 31.🔧 Which invention helps us find directions? (a) compass (b) thermometer (c) telescope (d) telephone
  32. 32.What did Wilhelm Röntgen give us? (a) the printing press (b) raised-dot writing (c) penicillin (d) X-rays
  33. 33.What did Alexander Fleming give us? (a) the printing press (b) the electric battery (c) the first aeroplane (d) penicillin
  34. 34.True or false: the Wright brothers gave us the smallpox vaccine. (a) True (b) False
  35. 35.True or false: Alessandro Volta gave us raised-dot writing. (a) False (b) True
  36. 36.What did René Laennec give us? (a) the printing press (b) the telephone (c) the stethoscope (d) penicillin
  37. 37.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  38. 38.True or false: a telephone helps us see faraway stars. (a) False (b) True
  39. 39.True or false: a microscope helps us do sums quickly. (a) True (b) False
  40. 40.💡 Who gave us the stethoscope? (a) the Wright brothers (b) René Laennec (c) Johannes Gutenberg (d) Alexander Graham Bell

Answer key

  1. talk to people far away
  2. True
  3. True
  4. True
  5. microscope
  6. True
  7. the telephone
  8. find directions
  9. clock
  10. False
  11. Wilhelm Röntgen
  12. do sums quickly
  13. Alexander Graham Bell
  14. the Wright brothers
  15. hear the heartbeat
  16. Johannes Gutenberg
  17. raised-dot writing
  18. tell the time
  19. calculator
  20. stethoscope
  21. measure body temperature
  22. False
  23. the electric battery
  24. thermometer
  25. True
  26. Alexander Fleming
  27. telescope
  28. Edward Jenner
  29. True
  30. False
  31. compass
  32. X-rays
  33. penicillin
  34. False
  35. False
  36. the stethoscope
  37. True
  38. False
  39. False
  40. René Laennec

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