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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 494 · 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.True or false: a clock helps us hear the heartbeat. (a) False (b) True
  2. 2.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  3. 3.What did Louis Braille give us? (a) the printing press (b) raised-dot writing (c) the first aeroplane (d) penicillin
  4. 4.What did the Wright brothers give us? (a) the smallpox vaccine (b) X-rays (c) the first aeroplane (d) penicillin
  5. 5.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  6. 6.True or false: a stethoscope helps us measure body temperature. (a) False (b) True
  7. 7.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Louis Braille (c) Johannes Gutenberg (d) Wilhelm Röntgen
  8. 8.True or false: Louis Braille gave us the printing press. (a) True (b) False
  9. 9.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  10. 10.🔧 Which invention helps us find directions? (a) calculator (b) microscope (c) compass (d) clock
  11. 11.What does a telescope help us do? (a) see tiny germs (b) find directions (c) talk to people far away (d) see faraway stars
  12. 12.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) René Laennec (d) Edward Jenner
  13. 13.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) Edward Jenner (c) Johannes Gutenberg (d) Alexander Fleming
  14. 14.What does a stethoscope help us do? (a) hear the heartbeat (b) talk to people far away (c) do sums quickly (d) measure body temperature
  15. 15.What does a clock help us do? (a) tell the time (b) measure body temperature (c) see tiny germs (d) see faraway stars
  16. 16.What did Johannes Gutenberg give us? (a) the stethoscope (b) penicillin (c) the printing press (d) raised-dot writing
  17. 17.True or false: Alexander Graham Bell gave us the first aeroplane. (a) True (b) False
  18. 18.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alessandro Volta (c) the Wright brothers (d) Louis Braille
  19. 19.True or false: a clock helps us find directions. (a) True (b) False
  20. 20.🔧 Which invention helps us tell the time? (a) calculator (b) stethoscope (c) clock (d) telescope
  21. 21.True or false: a stethoscope helps us find directions. (a) True (b) False
  22. 22.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  23. 23.💡 Who gave us raised-dot writing? (a) Louis Braille (b) the Wright brothers (c) Edward Jenner (d) Alessandro Volta
  24. 24.What did Alexander Fleming give us? (a) the printing press (b) penicillin (c) X-rays (d) the electric battery
  25. 25.💡 Who gave us X-rays? (a) Alexander Fleming (b) Wilhelm Röntgen (c) René Laennec (d) Johannes Gutenberg
  26. 26.What does a thermometer help us do? (a) print many books (b) talk to people far away (c) measure body temperature (d) hear the heartbeat
  27. 27.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  28. 28.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) compass (c) microscope (d) telephone
  29. 29.What did Alessandro Volta give us? (a) the electric battery (b) the first aeroplane (c) the telephone (d) raised-dot writing
  30. 30.🔧 Which invention helps us see tiny germs? (a) microscope (b) clock (c) stethoscope (d) thermometer
  31. 31.True or false: a stethoscope helps us see faraway stars. (a) False (b) True
  32. 32.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  33. 33.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) printing press (c) compass (d) calculator
  34. 34.💡 Who gave us the first aeroplane? (a) René Laennec (b) Alexander Fleming (c) the Wright brothers (d) Alexander Graham Bell
  35. 35.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the telephone (c) penicillin (d) X-rays
  36. 36.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  37. 37.🔧 Which invention helps us see faraway stars? (a) compass (b) clock (c) telescope (d) calculator
  38. 38.True or false: René Laennec gave us X-rays. (a) False (b) True
  39. 39.True or false: René Laennec gave us the electric battery. (a) True (b) False
  40. 40.💡 Who gave us the stethoscope? (a) René Laennec (b) the Wright brothers (c) Johannes Gutenberg (d) Alexander Fleming

Answer key

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

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