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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 829 · 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 stethoscope helps us hear the heartbeat. (a) True (b) False
  2. 2.What does a telescope help us do? (a) tell the time (b) talk to people far away (c) see faraway stars (d) hear the heartbeat
  3. 3.What did Wilhelm Röntgen give us? (a) X-rays (b) the telephone (c) the electric battery (d) the printing press
  4. 4.🔧 Which invention helps us hear the heartbeat? (a) clock (b) thermometer (c) telephone (d) stethoscope
  5. 5.True or false: a compass helps us hear the heartbeat. (a) False (b) True
  6. 6.True or false: a telephone helps us measure body temperature. (a) False (b) True
  7. 7.💡 Who gave us the telephone? (a) Alessandro Volta (b) the Wright brothers (c) Edward Jenner (d) Alexander Graham Bell
  8. 8.💡 Who gave us the first aeroplane? (a) René Laennec (b) the Wright brothers (c) Alessandro Volta (d) Louis Braille
  9. 9.True or false: a printing press helps us do sums quickly. (a) False (b) True
  10. 10.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) Louis Braille (c) Edward Jenner (d) Wilhelm Röntgen
  11. 11.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  12. 12.💡 Who gave us the electric battery? (a) René Laennec (b) Alessandro Volta (c) the Wright brothers (d) Edward Jenner
  13. 13.🔧 Which invention helps us tell the time? (a) stethoscope (b) calculator (c) clock (d) microscope
  14. 14.What does a printing press help us do? (a) measure body temperature (b) see tiny germs (c) print many books (d) hear the heartbeat
  15. 15.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Wilhelm Röntgen (c) Edward Jenner (d) Alessandro Volta
  16. 16.What did Louis Braille give us? (a) the telephone (b) the printing press (c) X-rays (d) raised-dot writing
  17. 17.What did Alexander Graham Bell give us? (a) raised-dot writing (b) X-rays (c) the telephone (d) penicillin
  18. 18.💡 Who gave us penicillin? (a) the Wright brothers (b) Johannes Gutenberg (c) Alexander Fleming (d) René Laennec
  19. 19.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  20. 20.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telescope (c) telephone (d) clock
  21. 21.What does a compass help us do? (a) measure body temperature (b) see tiny germs (c) find directions (d) print many books
  22. 22.What did Alessandro Volta give us? (a) the first aeroplane (b) the electric battery (c) the stethoscope (d) the telephone
  23. 23.True or false: a compass helps us do sums quickly. (a) False (b) True
  24. 24.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) True (b) False
  25. 25.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  26. 26.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  27. 27.True or false: a printing press helps us tell the time. (a) False (b) True
  28. 28.True or false: a telephone helps us see faraway stars. (a) True (b) False
  29. 29.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Alexander Fleming
  30. 30.What did Edward Jenner give us? (a) the electric battery (b) X-rays (c) the first aeroplane (d) the smallpox vaccine
  31. 31.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) calculator (c) printing press (d) thermometer
  32. 32.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  33. 33.🔧 Which invention helps us find directions? (a) clock (b) printing press (c) compass (d) microscope
  34. 34.True or false: a printing press helps us find directions. (a) True (b) False
  35. 35.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  36. 36.What does a microscope help us do? (a) see tiny germs (b) see faraway stars (c) measure body temperature (d) talk to people far away
  37. 37.What did Alexander Fleming give us? (a) penicillin (b) the printing press (c) raised-dot writing (d) the smallpox vaccine
  38. 38.True or false: a printing press helps us hear the heartbeat. (a) False (b) True
  39. 39.What does a calculator help us do? (a) measure body temperature (b) talk to people far away (c) hear the heartbeat (d) do sums quickly
  40. 40.🔧 Which invention helps us see faraway stars? (a) microscope (b) telescope (c) compass (d) calculator

Answer key

  1. True
  2. see faraway stars
  3. X-rays
  4. stethoscope
  5. False
  6. False
  7. Alexander Graham Bell
  8. the Wright brothers
  9. False
  10. Wilhelm Röntgen
  11. True
  12. Alessandro Volta
  13. clock
  14. print many books
  15. Edward Jenner
  16. raised-dot writing
  17. the telephone
  18. Alexander Fleming
  19. True
  20. telephone
  21. find directions
  22. the electric battery
  23. False
  24. False
  25. True
  26. True
  27. False
  28. False
  29. Johannes Gutenberg
  30. the smallpox vaccine
  31. thermometer
  32. True
  33. compass
  34. False
  35. True
  36. see tiny germs
  37. penicillin
  38. False
  39. do sums quickly
  40. telescope

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