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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 733 · 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.🔧 Which invention helps us talk to people far away? (a) compass (b) telephone (c) calculator (d) telescope
  2. 2.💡 Who gave us X-rays? (a) Alessandro Volta (b) Edward Jenner (c) René Laennec (d) Wilhelm Röntgen
  3. 3.True or false: a clock helps us talk to people far away. (a) True (b) False
  4. 4.What does a clock help us do? (a) see faraway stars (b) print many books (c) find directions (d) tell the time
  5. 5.True or false: a microscope helps us do sums quickly. (a) False (b) True
  6. 6.True or false: Alexander Fleming gave us the printing press. (a) True (b) False
  7. 7.🔧 Which invention helps us print many books? (a) microscope (b) telescope (c) calculator (d) printing press
  8. 8.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Louis Braille (c) Edward Jenner (d) Alexander Fleming
  9. 9.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the telephone (c) the electric battery (d) penicillin
  10. 10.What does a thermometer help us do? (a) do sums quickly (b) print many books (c) measure body temperature (d) find directions
  11. 11.True or false: a compass helps us find directions. (a) False (b) True
  12. 12.True or false: a calculator helps us see faraway stars. (a) True (b) False
  13. 13.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  14. 14.💡 Who gave us the stethoscope? (a) Louis Braille (b) René Laennec (c) Alexander Fleming (d) Alessandro Volta
  15. 15.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  16. 16.What does a stethoscope help us do? (a) measure body temperature (b) do sums quickly (c) find directions (d) hear the heartbeat
  17. 17.💡 Who gave us the electric battery? (a) René Laennec (b) Johannes Gutenberg (c) Alexander Graham Bell (d) Alessandro Volta
  18. 18.What did Alessandro Volta give us? (a) the smallpox vaccine (b) the stethoscope (c) the first aeroplane (d) the electric battery
  19. 19.True or false: a compass helps us see faraway stars. (a) False (b) True
  20. 20.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Edward Jenner (d) Johannes Gutenberg
  21. 21.What did Johannes Gutenberg give us? (a) the electric battery (b) the printing press (c) raised-dot writing (d) the first aeroplane
  22. 22.What did Louis Braille give us? (a) the stethoscope (b) the first aeroplane (c) penicillin (d) raised-dot writing
  23. 23.💡 Who gave us the telephone? (a) Louis Braille (b) Johannes Gutenberg (c) Alessandro Volta (d) Alexander Graham Bell
  24. 24.What does a microscope help us do? (a) do sums quickly (b) print many books (c) see tiny germs (d) talk to people far away
  25. 25.🔧 Which invention helps us see faraway stars? (a) compass (b) thermometer (c) telescope (d) calculator
  26. 26.What did René Laennec give us? (a) X-rays (b) the first aeroplane (c) penicillin (d) the stethoscope
  27. 27.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  28. 28.True or false: Alexander Graham Bell gave us raised-dot writing. (a) False (b) True
  29. 29.What did Edward Jenner give us? (a) the first aeroplane (b) the printing press (c) the telephone (d) the smallpox vaccine
  30. 30.💡 Who gave us penicillin? (a) René Laennec (b) Alexander Fleming (c) Johannes Gutenberg (d) the Wright brothers
  31. 31.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) printing press (c) stethoscope (d) clock
  32. 32.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) True (b) False
  33. 33.True or false: Alexander Graham Bell gave us the electric battery. (a) True (b) False
  34. 34.True or false: a microscope helps us see tiny germs. (a) False (b) True
  35. 35.True or false: a telescope helps us see faraway stars. (a) True (b) False
  36. 36.True or false: Louis Braille gave us penicillin. (a) False (b) True
  37. 37.🔧 Which invention helps us find directions? (a) compass (b) microscope (c) telephone (d) telescope
  38. 38.True or false: a telephone helps us find directions. (a) True (b) False
  39. 39.What did the Wright brothers give us? (a) the smallpox vaccine (b) the first aeroplane (c) the printing press (d) raised-dot writing
  40. 40.True or false: a printing press helps us measure body temperature. (a) False (b) True

Answer key

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

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