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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 370 · 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.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) the Wright brothers (c) Louis Braille (d) Alexander Fleming
  2. 2.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) Louis Braille (c) René Laennec (d) Johannes Gutenberg
  3. 3.True or false: René Laennec gave us the electric battery. (a) True (b) False
  4. 4.What does a microscope help us do? (a) do sums quickly (b) measure body temperature (c) print many books (d) see tiny germs
  5. 5.🔧 Which invention helps us find directions? (a) clock (b) compass (c) microscope (d) thermometer
  6. 6.What does a telescope help us do? (a) do sums quickly (b) see tiny germs (c) hear the heartbeat (d) see faraway stars
  7. 7.True or false: a compass helps us talk to people far away. (a) False (b) True
  8. 8.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) compass (c) stethoscope (d) thermometer
  9. 9.True or false: a calculator helps us do sums quickly. (a) False (b) True
  10. 10.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) the Wright brothers (d) Louis Braille
  11. 11.What did Louis Braille give us? (a) raised-dot writing (b) X-rays (c) the first aeroplane (d) the electric battery
  12. 12.True or false: a telephone helps us print many books. (a) True (b) False
  13. 13.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the printing press (c) the first aeroplane (d) X-rays
  14. 14.True or false: Wilhelm Röntgen gave us penicillin. (a) False (b) True
  15. 15.What did Alexander Graham Bell give us? (a) the stethoscope (b) the printing press (c) the telephone (d) raised-dot writing
  16. 16.🔧 Which invention helps us talk to people far away? (a) thermometer (b) clock (c) stethoscope (d) telephone
  17. 17.What does a calculator help us do? (a) tell the time (b) do sums quickly (c) talk to people far away (d) hear the heartbeat
  18. 18.True or false: René Laennec gave us the telephone. (a) True (b) False
  19. 19.What did Alexander Fleming give us? (a) penicillin (b) the printing press (c) X-rays (d) the electric battery
  20. 20.🔧 Which invention helps us see faraway stars? (a) stethoscope (b) telephone (c) clock (d) telescope
  21. 21.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  22. 22.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Louis Braille (c) Alexander Graham Bell (d) René Laennec
  23. 23.🔧 Which invention helps us print many books? (a) printing press (b) clock (c) microscope (d) thermometer
  24. 24.True or false: a calculator helps us see tiny germs. (a) True (b) False
  25. 25.True or false: René Laennec gave us X-rays. (a) True (b) False
  26. 26.💡 Who gave us the telephone? (a) Louis Braille (b) Wilhelm Röntgen (c) René Laennec (d) Alexander Graham Bell
  27. 27.What does a thermometer help us do? (a) do sums quickly (b) tell the time (c) measure body temperature (d) find directions
  28. 28.What did Edward Jenner give us? (a) the first aeroplane (b) the electric battery (c) the smallpox vaccine (d) the printing press
  29. 29.True or false: a microscope helps us talk to people far away. (a) True (b) False
  30. 30.What did Alessandro Volta give us? (a) the first aeroplane (b) the stethoscope (c) the electric battery (d) penicillin
  31. 31.What does a telephone help us do? (a) print many books (b) talk to people far away (c) hear the heartbeat (d) find directions
  32. 32.True or false: a telephone helps us find directions. (a) False (b) True
  33. 33.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Wilhelm Röntgen (c) Alexander Fleming (d) Louis Braille
  34. 34.What does a clock help us do? (a) tell the time (b) hear the heartbeat (c) see tiny germs (d) talk to people far away
  35. 35.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  36. 36.💡 Who gave us penicillin? (a) René Laennec (b) Alexander Graham Bell (c) Louis Braille (d) Alexander Fleming
  37. 37.What did the Wright brothers give us? (a) the telephone (b) the smallpox vaccine (c) raised-dot writing (d) the first aeroplane
  38. 38.🔧 Which invention helps us see tiny germs? (a) microscope (b) stethoscope (c) printing press (d) calculator
  39. 39.True or false: a compass helps us find directions. (a) True (b) False
  40. 40.What does a stethoscope help us do? (a) measure body temperature (b) talk to people far away (c) find directions (d) hear the heartbeat

Answer key

  1. Louis Braille
  2. Johannes Gutenberg
  3. False
  4. see tiny germs
  5. compass
  6. see faraway stars
  7. False
  8. stethoscope
  9. True
  10. the Wright brothers
  11. raised-dot writing
  12. False
  13. the printing press
  14. False
  15. the telephone
  16. telephone
  17. do sums quickly
  18. False
  19. penicillin
  20. telescope
  21. True
  22. Alessandro Volta
  23. printing press
  24. False
  25. False
  26. Alexander Graham Bell
  27. measure body temperature
  28. the smallpox vaccine
  29. False
  30. the electric battery
  31. talk to people far away
  32. False
  33. Edward Jenner
  34. tell the time
  35. True
  36. Alexander Fleming
  37. the first aeroplane
  38. microscope
  39. True
  40. hear the heartbeat

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