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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 695 · 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 thermometer helps us tell the time. (a) True (b) False
  2. 2.True or false: a microscope helps us see tiny germs. (a) False (b) True
  3. 3.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) stethoscope (c) telephone (d) thermometer
  4. 4.🔧 Which invention helps us print many books? (a) thermometer (b) telephone (c) printing press (d) calculator
  5. 5.True or false: a compass helps us find directions. (a) True (b) False
  6. 6.True or false: Edward Jenner gave us X-rays. (a) False (b) True
  7. 7.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  8. 8.🔧 Which invention helps us see tiny germs? (a) thermometer (b) microscope (c) compass (d) stethoscope
  9. 9.What did Alexander Graham Bell give us? (a) raised-dot writing (b) penicillin (c) the telephone (d) the first aeroplane
  10. 10.What did Wilhelm Röntgen give us? (a) X-rays (b) the first aeroplane (c) raised-dot writing (d) the stethoscope
  11. 11.What does a telescope help us do? (a) tell the time (b) see faraway stars (c) see tiny germs (d) hear the heartbeat
  12. 12.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) the Wright brothers (d) Edward Jenner
  13. 13.What does a printing press help us do? (a) tell the time (b) print many books (c) hear the heartbeat (d) find directions
  14. 14.What did René Laennec give us? (a) the stethoscope (b) the first aeroplane (c) the smallpox vaccine (d) the telephone
  15. 15.What did Johannes Gutenberg give us? (a) raised-dot writing (b) penicillin (c) the printing press (d) X-rays
  16. 16.What did Alexander Fleming give us? (a) the printing press (b) the electric battery (c) penicillin (d) the first aeroplane
  17. 17.🔧 Which invention helps us find directions? (a) compass (b) stethoscope (c) calculator (d) printing press
  18. 18.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) René Laennec (c) Louis Braille (d) the Wright brothers
  19. 19.True or false: a microscope helps us measure body temperature. (a) False (b) True
  20. 20.True or false: a telescope helps us tell the time. (a) False (b) True
  21. 21.True or false: a microscope helps us talk to people far away. (a) False (b) True
  22. 22.What did Louis Braille give us? (a) the stethoscope (b) the telephone (c) penicillin (d) raised-dot writing
  23. 23.What does a stethoscope help us do? (a) see faraway stars (b) do sums quickly (c) hear the heartbeat (d) find directions
  24. 24.What does a clock help us do? (a) measure body temperature (b) see tiny germs (c) tell the time (d) see faraway stars
  25. 25.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Louis Braille (c) Edward Jenner (d) Alexander Fleming
  26. 26.What did the Wright brothers give us? (a) raised-dot writing (b) the smallpox vaccine (c) the stethoscope (d) the first aeroplane
  27. 27.True or false: René Laennec gave us X-rays. (a) True (b) False
  28. 28.True or false: a compass helps us do sums quickly. (a) True (b) False
  29. 29.What does a compass help us do? (a) see faraway stars (b) do sums quickly (c) find directions (d) talk to people far away
  30. 30.🔧 Which invention helps us talk to people far away? (a) calculator (b) compass (c) printing press (d) telephone
  31. 31.What did Alessandro Volta give us? (a) the smallpox vaccine (b) the electric battery (c) penicillin (d) X-rays
  32. 32.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  33. 33.💡 Who gave us the telephone? (a) Alessandro Volta (b) Alexander Graham Bell (c) Alexander Fleming (d) the Wright brothers
  34. 34.True or false: Wilhelm Röntgen gave us the telephone. (a) False (b) True
  35. 35.🔧 Which invention helps us measure body temperature? (a) microscope (b) thermometer (c) telephone (d) compass
  36. 36.🔧 Which invention helps us tell the time? (a) microscope (b) clock (c) printing press (d) compass
  37. 37.💡 Who gave us raised-dot writing? (a) Alessandro Volta (b) Edward Jenner (c) Louis Braille (d) Johannes Gutenberg
  38. 38.True or false: a printing press helps us tell the time. (a) True (b) False
  39. 39.True or false: the Wright brothers gave us the smallpox vaccine. (a) True (b) False
  40. 40.True or false: Alexander Fleming gave us penicillin. (a) False (b) True

Answer key

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

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