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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 643 · 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 tell the time. (a) True (b) False
  2. 2.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) calculator (c) clock (d) compass
  3. 3.What did Edward Jenner give us? (a) the smallpox vaccine (b) the telephone (c) the electric battery (d) the first aeroplane
  4. 4.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  5. 5.What does a microscope help us do? (a) hear the heartbeat (b) see tiny germs (c) talk to people far away (d) tell the time
  6. 6.True or false: a thermometer helps us print many books. (a) False (b) True
  7. 7.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Wilhelm Röntgen (c) Louis Braille (d) Johannes Gutenberg
  8. 8.What does a thermometer help us do? (a) tell the time (b) find directions (c) measure body temperature (d) print many books
  9. 9.🔧 Which invention helps us find directions? (a) compass (b) thermometer (c) calculator (d) telephone
  10. 10.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) False (b) True
  11. 11.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  12. 12.🔧 Which invention helps us talk to people far away? (a) microscope (b) compass (c) telescope (d) telephone
  13. 13.🔧 Which invention helps us do sums quickly? (a) calculator (b) compass (c) telescope (d) thermometer
  14. 14.What does a compass help us do? (a) tell the time (b) find directions (c) talk to people far away (d) measure body temperature
  15. 15.What does a calculator help us do? (a) measure body temperature (b) do sums quickly (c) talk to people far away (d) find directions
  16. 16.What did Alexander Graham Bell give us? (a) the telephone (b) penicillin (c) the first aeroplane (d) X-rays
  17. 17.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the smallpox vaccine (c) the telephone (d) X-rays
  18. 18.True or false: Edward Jenner gave us the electric battery. (a) True (b) False
  19. 19.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) Alessandro Volta (c) Alexander Graham Bell (d) Louis Braille
  20. 20.What does a printing press help us do? (a) hear the heartbeat (b) print many books (c) measure body temperature (d) do sums quickly
  21. 21.🔧 Which invention helps us tell the time? (a) microscope (b) clock (c) thermometer (d) telephone
  22. 22.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Alessandro Volta (c) the Wright brothers (d) Wilhelm Röntgen
  23. 23.What does a telephone help us do? (a) hear the heartbeat (b) talk to people far away (c) see faraway stars (d) do sums quickly
  24. 24.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True
  25. 25.What did the Wright brothers give us? (a) penicillin (b) the first aeroplane (c) the telephone (d) the printing press
  26. 26.What did Johannes Gutenberg give us? (a) X-rays (b) the printing press (c) raised-dot writing (d) the telephone
  27. 27.True or false: a compass helps us see tiny germs. (a) False (b) True
  28. 28.What did Alexander Fleming give us? (a) the stethoscope (b) penicillin (c) the electric battery (d) the first aeroplane
  29. 29.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  30. 30.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  31. 31.True or false: a telescope helps us find directions. (a) True (b) False
  32. 32.What does a stethoscope help us do? (a) tell the time (b) hear the heartbeat (c) measure body temperature (d) do sums quickly
  33. 33.True or false: a stethoscope helps us talk to people far away. (a) False (b) True
  34. 34.What did René Laennec give us? (a) the printing press (b) the stethoscope (c) X-rays (d) the smallpox vaccine
  35. 35.What does a clock help us do? (a) talk to people far away (b) measure body temperature (c) tell the time (d) print many books
  36. 36.True or false: René Laennec gave us the telephone. (a) False (b) True
  37. 37.True or false: a telephone helps us print many books. (a) False (b) True
  38. 38.🔧 Which invention helps us see faraway stars? (a) telescope (b) compass (c) printing press (d) telephone
  39. 39.💡 Who gave us the first aeroplane? (a) Louis Braille (b) René Laennec (c) Alessandro Volta (d) the Wright brothers
  40. 40.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True

Answer key

  1. True
  2. stethoscope
  3. the smallpox vaccine
  4. True
  5. see tiny germs
  6. False
  7. Edward Jenner
  8. measure body temperature
  9. compass
  10. False
  11. True
  12. telephone
  13. calculator
  14. find directions
  15. do sums quickly
  16. the telephone
  17. X-rays
  18. False
  19. Louis Braille
  20. print many books
  21. clock
  22. Alessandro Volta
  23. talk to people far away
  24. False
  25. the first aeroplane
  26. the printing press
  27. False
  28. penicillin
  29. True
  30. True
  31. False
  32. hear the heartbeat
  33. False
  34. the stethoscope
  35. tell the time
  36. False
  37. False
  38. telescope
  39. the Wright brothers
  40. False

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