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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 413 · 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) see faraway stars (b) tell the time (c) print many books (d) find directions
  2. 2.True or false: a printing press helps us see faraway stars. (a) True (b) False
  3. 3.What does a microscope help us do? (a) see tiny germs (b) find directions (c) do sums quickly (d) hear the heartbeat
  4. 4.🔧 Which invention helps us print many books? (a) compass (b) printing press (c) microscope (d) telescope
  5. 5.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  6. 6.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  7. 7.True or false: a clock helps us tell the time. (a) False (b) True
  8. 8.What did Alexander Fleming give us? (a) the stethoscope (b) the smallpox vaccine (c) X-rays (d) penicillin
  9. 9.🔧 Which invention helps us see faraway stars? (a) calculator (b) stethoscope (c) telescope (d) compass
  10. 10.True or false: Alexander Graham Bell gave us the first aeroplane. (a) True (b) False
  11. 11.What did Louis Braille give us? (a) the stethoscope (b) raised-dot writing (c) X-rays (d) the printing press
  12. 12.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  13. 13.What did Edward Jenner give us? (a) X-rays (b) the smallpox vaccine (c) the first aeroplane (d) the printing press
  14. 14.💡 Who gave us the printing press? (a) Alexander Fleming (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Louis Braille
  15. 15.What did René Laennec give us? (a) the stethoscope (b) the first aeroplane (c) penicillin (d) the printing press
  16. 16.What does a telephone help us do? (a) talk to people far away (b) do sums quickly (c) find directions (d) see faraway stars
  17. 17.True or false: a microscope helps us see tiny germs. (a) False (b) True
  18. 18.True or false: a printing press helps us print many books. (a) True (b) False
  19. 19.True or false: a compass helps us find directions. (a) False (b) True
  20. 20.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Alessandro Volta (c) Edward Jenner (d) Alexander Graham Bell
  21. 21.True or false: Alexander Fleming gave us the telephone. (a) False (b) True
  22. 22.🔧 Which invention helps us find directions? (a) clock (b) compass (c) stethoscope (d) telescope
  23. 23.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) Louis Braille (c) Johannes Gutenberg (d) René Laennec
  24. 24.True or false: a thermometer helps us see faraway stars. (a) False (b) True
  25. 25.🔧 Which invention helps us measure body temperature? (a) microscope (b) thermometer (c) printing press (d) clock
  26. 26.What did the Wright brothers give us? (a) the telephone (b) the first aeroplane (c) the electric battery (d) the stethoscope
  27. 27.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Wilhelm Röntgen (c) René Laennec (d) Alexander Fleming
  28. 28.🔧 Which invention helps us talk to people far away? (a) clock (b) calculator (c) compass (d) telephone
  29. 29.True or false: Alexander Graham Bell gave us the printing press. (a) True (b) False
  30. 30.True or false: a clock helps us find directions. (a) True (b) False
  31. 31.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  32. 32.💡 Who gave us the stethoscope? (a) René Laennec (b) Alessandro Volta (c) Alexander Graham Bell (d) Louis Braille
  33. 33.True or false: a printing press helps us measure body temperature. (a) False (b) True
  34. 34.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  35. 35.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) clock (c) thermometer (d) stethoscope
  36. 36.True or false: a compass helps us measure body temperature. (a) True (b) False
  37. 37.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  38. 38.What does a calculator help us do? (a) do sums quickly (b) tell the time (c) print many books (d) hear the heartbeat
  39. 39.What did Alessandro Volta give us? (a) the electric battery (b) the telephone (c) the smallpox vaccine (d) X-rays
  40. 40.What does a compass help us do? (a) find directions (b) tell the time (c) see tiny germs (d) hear the heartbeat

Answer key

  1. tell the time
  2. False
  3. see tiny germs
  4. printing press
  5. True
  6. True
  7. True
  8. penicillin
  9. telescope
  10. False
  11. raised-dot writing
  12. True
  13. the smallpox vaccine
  14. Johannes Gutenberg
  15. the stethoscope
  16. talk to people far away
  17. True
  18. True
  19. True
  20. Alessandro Volta
  21. False
  22. compass
  23. Louis Braille
  24. False
  25. thermometer
  26. the first aeroplane
  27. the Wright brothers
  28. telephone
  29. False
  30. False
  31. True
  32. René Laennec
  33. False
  34. True
  35. stethoscope
  36. False
  37. True
  38. do sums quickly
  39. the electric battery
  40. find directions

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