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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 886 · 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 printing press helps us see tiny germs. (a) True (b) False
  2. 2.What did Alexander Graham Bell give us? (a) the telephone (b) the electric battery (c) the printing press (d) the first aeroplane
  3. 3.What does a telephone help us do? (a) see tiny germs (b) hear the heartbeat (c) see faraway stars (d) talk to people far away
  4. 4.True or false: a thermometer helps us see tiny germs. (a) False (b) True
  5. 5.True or false: a printing press helps us print many books. (a) True (b) False
  6. 6.What did Alexander Fleming give us? (a) the smallpox vaccine (b) the first aeroplane (c) penicillin (d) the printing press
  7. 7.What does a calculator help us do? (a) hear the heartbeat (b) tell the time (c) do sums quickly (d) measure body temperature
  8. 8.What did the Wright brothers give us? (a) raised-dot writing (b) the first aeroplane (c) the printing press (d) penicillin
  9. 9.True or false: a microscope helps us measure body temperature. (a) True (b) False
  10. 10.🔧 Which invention helps us do sums quickly? (a) calculator (b) telephone (c) printing press (d) compass
  11. 11.What does a clock help us do? (a) hear the heartbeat (b) talk to people far away (c) tell the time (d) print many books
  12. 12.🔧 Which invention helps us hear the heartbeat? (a) compass (b) stethoscope (c) clock (d) telephone
  13. 13.What did Alessandro Volta give us? (a) the printing press (b) the electric battery (c) X-rays (d) penicillin
  14. 14.What did Louis Braille give us? (a) the smallpox vaccine (b) X-rays (c) raised-dot writing (d) the stethoscope
  15. 15.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  16. 16.What does a stethoscope help us do? (a) hear the heartbeat (b) see faraway stars (c) do sums quickly (d) measure body temperature
  17. 17.True or false: a telescope helps us print many books. (a) True (b) False
  18. 18.What did René Laennec give us? (a) the electric battery (b) the stethoscope (c) the telephone (d) the first aeroplane
  19. 19.True or false: Alessandro Volta gave us the telephone. (a) False (b) True
  20. 20.What did Wilhelm Röntgen give us? (a) the printing press (b) the smallpox vaccine (c) X-rays (d) the stethoscope
  21. 21.True or false: Alexander Graham Bell gave us the first aeroplane. (a) True (b) False
  22. 22.What does a telescope help us do? (a) hear the heartbeat (b) see faraway stars (c) print many books (d) see tiny germs
  23. 23.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) False (b) True
  24. 24.What does a printing press help us do? (a) hear the heartbeat (b) see faraway stars (c) do sums quickly (d) print many books
  25. 25.💡 Who gave us the stethoscope? (a) Alexander Fleming (b) Alexander Graham Bell (c) René Laennec (d) Johannes Gutenberg
  26. 26.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  27. 27.True or false: the Wright brothers gave us penicillin. (a) True (b) False
  28. 28.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  29. 29.What does a compass help us do? (a) print many books (b) find directions (c) talk to people far away (d) tell the time
  30. 30.💡 Who gave us the electric battery? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Alexander Fleming (d) Alessandro Volta
  31. 31.What did Edward Jenner give us? (a) the smallpox vaccine (b) X-rays (c) penicillin (d) raised-dot writing
  32. 32.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  33. 33.True or false: a compass helps us hear the heartbeat. (a) True (b) False
  34. 34.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  35. 35.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) Alexander Fleming (c) the Wright brothers (d) Alessandro Volta
  36. 36.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  37. 37.True or false: a telephone helps us measure body temperature. (a) False (b) True
  38. 38.What does a microscope help us do? (a) talk to people far away (b) do sums quickly (c) see tiny germs (d) hear the heartbeat
  39. 39.True or false: Louis Braille gave us penicillin. (a) False (b) True
  40. 40.🔧 Which invention helps us print many books? (a) telephone (b) clock (c) stethoscope (d) printing press

Answer key

  1. False
  2. the telephone
  3. talk to people far away
  4. False
  5. True
  6. penicillin
  7. do sums quickly
  8. the first aeroplane
  9. False
  10. calculator
  11. tell the time
  12. stethoscope
  13. the electric battery
  14. raised-dot writing
  15. True
  16. hear the heartbeat
  17. False
  18. the stethoscope
  19. False
  20. X-rays
  21. False
  22. see faraway stars
  23. False
  24. print many books
  25. René Laennec
  26. True
  27. False
  28. True
  29. find directions
  30. Alessandro Volta
  31. the smallpox vaccine
  32. True
  33. False
  34. True
  35. Alexander Fleming
  36. True
  37. False
  38. see tiny germs
  39. False
  40. printing press

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