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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 231 · 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 printing press helps us print many books. (a) True (b) False
  2. 2.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  3. 3.What did Louis Braille give us? (a) the first aeroplane (b) raised-dot writing (c) the electric battery (d) the printing press
  4. 4.What does a calculator help us do? (a) measure body temperature (b) do sums quickly (c) print many books (d) tell the time
  5. 5.💡 Who gave us X-rays? (a) Alessandro Volta (b) Louis Braille (c) Wilhelm Röntgen (d) René Laennec
  6. 6.💡 Who gave us penicillin? (a) Alexander Fleming (b) Alexander Graham Bell (c) René Laennec (d) Alessandro Volta
  7. 7.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Edward Jenner (c) René Laennec (d) Wilhelm Röntgen
  8. 8.🔧 Which invention helps us do sums quickly? (a) microscope (b) telephone (c) compass (d) calculator
  9. 9.What does a microscope help us do? (a) talk to people far away (b) do sums quickly (c) find directions (d) see tiny germs
  10. 10.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Johannes Gutenberg (c) Louis Braille (d) Alessandro Volta
  11. 11.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) telephone (c) stethoscope (d) microscope
  12. 12.🔧 Which invention helps us measure body temperature? (a) telephone (b) thermometer (c) microscope (d) stethoscope
  13. 13.True or false: a calculator helps us do sums quickly. (a) True (b) False
  14. 14.True or false: Alexander Graham Bell gave us the printing press. (a) True (b) False
  15. 15.What does a clock help us do? (a) see tiny germs (b) see faraway stars (c) print many books (d) tell the time
  16. 16.🔧 Which invention helps us find directions? (a) telescope (b) thermometer (c) clock (d) compass
  17. 17.True or false: a compass helps us find directions. (a) False (b) True
  18. 18.🔧 Which invention helps us tell the time? (a) telephone (b) stethoscope (c) compass (d) clock
  19. 19.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) calculator (c) compass (d) telephone
  20. 20.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Edward Jenner (c) the Wright brothers (d) Alexander Graham Bell
  21. 21.💡 Who gave us the printing press? (a) Edward Jenner (b) Wilhelm Röntgen (c) the Wright brothers (d) Johannes Gutenberg
  22. 22.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  23. 23.What did René Laennec give us? (a) penicillin (b) the telephone (c) the stethoscope (d) the smallpox vaccine
  24. 24.🔧 Which invention helps us see tiny germs? (a) telephone (b) microscope (c) calculator (d) thermometer
  25. 25.True or false: a microscope helps us see tiny germs. (a) False (b) True
  26. 26.What did Alexander Graham Bell give us? (a) the stethoscope (b) X-rays (c) the first aeroplane (d) the telephone
  27. 27.What did Alexander Fleming give us? (a) the electric battery (b) the first aeroplane (c) the telephone (d) penicillin
  28. 28.True or false: a telephone helps us talk to people far away. (a) False (b) True
  29. 29.What did the Wright brothers give us? (a) the first aeroplane (b) the electric battery (c) the telephone (d) the printing press
  30. 30.What does a thermometer help us do? (a) measure body temperature (b) see tiny germs (c) do sums quickly (d) hear the heartbeat
  31. 31.True or false: a microscope helps us talk to people far away. (a) True (b) False
  32. 32.What did Johannes Gutenberg give us? (a) penicillin (b) the printing press (c) the smallpox vaccine (d) the telephone
  33. 33.What does a stethoscope help us do? (a) tell the time (b) measure body temperature (c) hear the heartbeat (d) print many books
  34. 34.What does a compass help us do? (a) find directions (b) print many books (c) tell the time (d) measure body temperature
  35. 35.True or false: Wilhelm Röntgen gave us the electric battery. (a) False (b) True
  36. 36.True or false: a calculator helps us see tiny germs. (a) True (b) False
  37. 37.💡 Who gave us the telephone? (a) Alessandro Volta (b) Johannes Gutenberg (c) René Laennec (d) Alexander Graham Bell
  38. 38.True or false: Louis Braille gave us the printing press. (a) True (b) False
  39. 39.True or false: Alexander Graham Bell gave us the electric battery. (a) True (b) False
  40. 40.What does a printing press help us do? (a) see tiny germs (b) do sums quickly (c) see faraway stars (d) print many books

Answer key

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

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