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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 771 · 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.What did Alexander Fleming give us? (a) penicillin (b) the stethoscope (c) raised-dot writing (d) X-rays
  2. 2.🔧 Which invention helps us measure body temperature? (a) thermometer (b) stethoscope (c) printing press (d) telescope
  3. 3.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  4. 4.What did Wilhelm Röntgen give us? (a) the stethoscope (b) the electric battery (c) X-rays (d) the printing press
  5. 5.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) Edward Jenner (c) the Wright brothers (d) René Laennec
  6. 6.🔧 Which invention helps us see faraway stars? (a) telescope (b) calculator (c) compass (d) telephone
  7. 7.🔧 Which invention helps us do sums quickly? (a) calculator (b) telephone (c) microscope (d) telescope
  8. 8.💡 Who gave us raised-dot writing? (a) Alessandro Volta (b) Louis Braille (c) Alexander Graham Bell (d) René Laennec
  9. 9.🔧 Which invention helps us talk to people far away? (a) microscope (b) calculator (c) telephone (d) telescope
  10. 10.What did Louis Braille give us? (a) the telephone (b) the smallpox vaccine (c) raised-dot writing (d) the printing press
  11. 11.True or false: Johannes Gutenberg gave us X-rays. (a) True (b) False
  12. 12.What did Edward Jenner give us? (a) penicillin (b) the printing press (c) the smallpox vaccine (d) the electric battery
  13. 13.True or false: a telephone helps us talk to people far away. (a) True (b) False
  14. 14.💡 Who gave us penicillin? (a) René Laennec (b) the Wright brothers (c) Alexander Fleming (d) Alexander Graham Bell
  15. 15.True or false: a calculator helps us do sums quickly. (a) False (b) True
  16. 16.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Louis Braille (c) Alexander Graham Bell (d) the Wright brothers
  17. 17.What does a microscope help us do? (a) see faraway stars (b) talk to people far away (c) see tiny germs (d) tell the time
  18. 18.True or false: a printing press helps us tell the time. (a) False (b) True
  19. 19.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  20. 20.🔧 Which invention helps us tell the time? (a) calculator (b) stethoscope (c) clock (d) microscope
  21. 21.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  22. 22.What did the Wright brothers give us? (a) penicillin (b) the electric battery (c) the stethoscope (d) the first aeroplane
  23. 23.True or false: a telescope helps us see faraway stars. (a) True (b) False
  24. 24.True or false: a compass helps us find directions. (a) True (b) False
  25. 25.What did Johannes Gutenberg give us? (a) the electric battery (b) the stethoscope (c) the smallpox vaccine (d) the printing press
  26. 26.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  27. 27.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  28. 28.True or false: a printing press helps us talk to people far away. (a) True (b) False
  29. 29.💡 Who gave us the electric battery? (a) Louis Braille (b) Johannes Gutenberg (c) Alessandro Volta (d) Alexander Graham Bell
  30. 30.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  31. 31.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) Alessandro Volta (c) Edward Jenner (d) Johannes Gutenberg
  32. 32.True or false: a clock helps us talk to people far away. (a) True (b) False
  33. 33.What does a telephone help us do? (a) talk to people far away (b) see faraway stars (c) do sums quickly (d) tell the time
  34. 34.💡 Who gave us X-rays? (a) the Wright brothers (b) Wilhelm Röntgen (c) Edward Jenner (d) Louis Braille
  35. 35.What does a compass help us do? (a) talk to people far away (b) find directions (c) do sums quickly (d) hear the heartbeat
  36. 36.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  37. 37.True or false: Alexander Graham Bell gave us the printing press. (a) False (b) True
  38. 38.True or false: a telephone helps us see tiny germs. (a) False (b) True
  39. 39.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alexander Fleming (c) René Laennec (d) Alessandro Volta
  40. 40.What does a thermometer help us do? (a) hear the heartbeat (b) measure body temperature (c) see tiny germs (d) find directions

Answer key

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

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