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Class 4 GK Worksheet: Inventions and Inventors

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

Answer key

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

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