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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 81 · 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 does a clock help us do? (a) tell the time (b) hear the heartbeat (c) see tiny germs (d) find directions
  2. 2.True or false: a telescope helps us do sums quickly. (a) False (b) True
  3. 3.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  4. 4.💡 Who gave us penicillin? (a) Alessandro Volta (b) Alexander Graham Bell (c) Alexander Fleming (d) the Wright brothers
  5. 5.True or false: a printing press helps us tell the time. (a) True (b) False
  6. 6.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) the Wright brothers
  7. 7.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  8. 8.What did René Laennec give us? (a) the electric battery (b) the first aeroplane (c) the stethoscope (d) the printing press
  9. 9.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  10. 10.What did Edward Jenner give us? (a) penicillin (b) the smallpox vaccine (c) the printing press (d) X-rays
  11. 11.What does a stethoscope help us do? (a) see faraway stars (b) tell the time (c) hear the heartbeat (d) print many books
  12. 12.True or false: Wilhelm Röntgen gave us penicillin. (a) True (b) False
  13. 13.🔧 Which invention helps us print many books? (a) stethoscope (b) telescope (c) printing press (d) clock
  14. 14.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) X-rays (c) penicillin (d) the smallpox vaccine
  15. 15.True or false: a clock helps us see tiny germs. (a) False (b) True
  16. 16.True or false: a stethoscope helps us tell the time. (a) True (b) False
  17. 17.True or false: a microscope helps us see tiny germs. (a) False (b) True
  18. 18.What did Louis Braille give us? (a) penicillin (b) raised-dot writing (c) the telephone (d) X-rays
  19. 19.What did the Wright brothers give us? (a) the telephone (b) the first aeroplane (c) penicillin (d) raised-dot writing
  20. 20.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  21. 21.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  22. 22.True or false: a compass helps us tell the time. (a) False (b) True
  23. 23.What did Alessandro Volta give us? (a) the electric battery (b) penicillin (c) the printing press (d) X-rays
  24. 24.What did Johannes Gutenberg give us? (a) the electric battery (b) X-rays (c) the telephone (d) the printing press
  25. 25.True or false: a thermometer helps us hear the heartbeat. (a) False (b) True
  26. 26.What does a calculator help us do? (a) print many books (b) tell the time (c) do sums quickly (d) find directions
  27. 27.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  28. 28.💡 Who gave us the printing press? (a) Alessandro Volta (b) Edward Jenner (c) Wilhelm Röntgen (d) Johannes Gutenberg
  29. 29.What does a compass help us do? (a) find directions (b) see tiny germs (c) talk to people far away (d) print many books
  30. 30.True or false: Edward Jenner gave us the printing press. (a) False (b) True
  31. 31.🔧 Which invention helps us do sums quickly? (a) microscope (b) calculator (c) printing press (d) stethoscope
  32. 32.What did Alexander Fleming give us? (a) the first aeroplane (b) X-rays (c) penicillin (d) raised-dot writing
  33. 33.What does a telescope help us do? (a) talk to people far away (b) tell the time (c) find directions (d) see faraway stars
  34. 34.🔧 Which invention helps us talk to people far away? (a) compass (b) thermometer (c) stethoscope (d) telephone
  35. 35.True or false: Louis Braille gave us the printing press. (a) False (b) True
  36. 36.🔧 Which invention helps us hear the heartbeat? (a) printing press (b) microscope (c) calculator (d) stethoscope
  37. 37.True or false: a compass helps us hear the heartbeat. (a) False (b) True
  38. 38.What does a printing press help us do? (a) print many books (b) talk to people far away (c) hear the heartbeat (d) measure body temperature
  39. 39.True or false: a thermometer helps us tell the time. (a) False (b) True
  40. 40.True or false: a telephone helps us talk to people far away. (a) False (b) True

Answer key

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

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