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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 706 · 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 smallpox vaccine? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Edward Jenner (d) Alexander Graham Bell
  2. 2.True or false: a telescope helps us see tiny germs. (a) False (b) True
  3. 3.True or false: a calculator helps us do sums quickly. (a) False (b) True
  4. 4.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) the Wright brothers (d) Louis Braille
  5. 5.What did Louis Braille give us? (a) the electric battery (b) X-rays (c) raised-dot writing (d) the first aeroplane
  6. 6.What does a stethoscope help us do? (a) print many books (b) see tiny germs (c) talk to people far away (d) hear the heartbeat
  7. 7.True or false: a printing press helps us tell the time. (a) True (b) False
  8. 8.True or false: Edward Jenner gave us penicillin. (a) False (b) True
  9. 9.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) René Laennec (c) Louis Braille (d) the Wright brothers
  10. 10.💡 Who gave us the stethoscope? (a) René Laennec (b) Alexander Graham Bell (c) Louis Braille (d) Johannes Gutenberg
  11. 11.True or false: Wilhelm Röntgen gave us the printing press. (a) False (b) True
  12. 12.True or false: a compass helps us print many books. (a) True (b) False
  13. 13.🔧 Which invention helps us see faraway stars? (a) thermometer (b) stethoscope (c) telescope (d) printing press
  14. 14.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  15. 15.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  16. 16.🔧 Which invention helps us find directions? (a) microscope (b) stethoscope (c) compass (d) printing press
  17. 17.🔧 Which invention helps us print many books? (a) compass (b) calculator (c) printing press (d) telephone
  18. 18.What does a clock help us do? (a) do sums quickly (b) find directions (c) tell the time (d) see faraway stars
  19. 19.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Alexander Fleming (c) the Wright brothers (d) Johannes Gutenberg
  20. 20.True or false: a printing press helps us print many books. (a) True (b) False
  21. 21.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) X-rays (c) the first aeroplane (d) the smallpox vaccine
  22. 22.True or false: a telephone helps us talk to people far away. (a) False (b) True
  23. 23.What did Alexander Graham Bell give us? (a) the telephone (b) penicillin (c) the electric battery (d) the first aeroplane
  24. 24.🔧 Which invention helps us measure body temperature? (a) microscope (b) clock (c) thermometer (d) telephone
  25. 25.💡 Who gave us penicillin? (a) Alessandro Volta (b) Louis Braille (c) Alexander Fleming (d) René Laennec
  26. 26.True or false: a stethoscope helps us tell the time. (a) True (b) False
  27. 27.What did Johannes Gutenberg give us? (a) the stethoscope (b) the first aeroplane (c) the printing press (d) the telephone
  28. 28.What does a telescope help us do? (a) see faraway stars (b) talk to people far away (c) print many books (d) hear the heartbeat
  29. 29.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  30. 30.True or false: a microscope helps us see tiny germs. (a) True (b) False
  31. 31.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  32. 32.What does a thermometer help us do? (a) do sums quickly (b) hear the heartbeat (c) measure body temperature (d) see faraway stars
  33. 33.🔧 Which invention helps us do sums quickly? (a) clock (b) stethoscope (c) calculator (d) thermometer
  34. 34.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) stethoscope (c) compass (d) telephone
  35. 35.True or false: a clock helps us tell the time. (a) False (b) True
  36. 36.What did Alexander Fleming give us? (a) the printing press (b) the first aeroplane (c) penicillin (d) the electric battery
  37. 37.True or false: Alexander Fleming gave us the smallpox vaccine. (a) True (b) False
  38. 38.True or false: a printing press helps us hear the heartbeat. (a) False (b) True
  39. 39.What does a telephone help us do? (a) see tiny germs (b) talk to people far away (c) print many books (d) measure body temperature
  40. 40.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False

Answer key

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

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