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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 888 · 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: Edward Jenner gave us X-rays. (a) True (b) False
  2. 2.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) the Wright brothers (d) Edward Jenner
  3. 3.True or false: a microscope helps us see tiny germs. (a) False (b) True
  4. 4.What does a thermometer help us do? (a) measure body temperature (b) talk to people far away (c) see tiny germs (d) print many books
  5. 5.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  6. 6.What did Alexander Graham Bell give us? (a) the printing press (b) the telephone (c) X-rays (d) the stethoscope
  7. 7.What does a compass help us do? (a) hear the heartbeat (b) tell the time (c) find directions (d) talk to people far away
  8. 8.What did Alexander Fleming give us? (a) the stethoscope (b) the smallpox vaccine (c) the electric battery (d) penicillin
  9. 9.True or false: Alexander Fleming gave us the telephone. (a) True (b) False
  10. 10.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  11. 11.What did the Wright brothers give us? (a) the first aeroplane (b) raised-dot writing (c) the smallpox vaccine (d) the printing press
  12. 12.What did René Laennec give us? (a) the printing press (b) the stethoscope (c) X-rays (d) the first aeroplane
  13. 13.True or false: a telephone helps us talk to people far away. (a) False (b) True
  14. 14.What does a printing press help us do? (a) print many books (b) talk to people far away (c) tell the time (d) measure body temperature
  15. 15.💡 Who gave us penicillin? (a) the Wright brothers (b) Alessandro Volta (c) René Laennec (d) Alexander Fleming
  16. 16.True or false: a telephone helps us hear the heartbeat. (a) False (b) True
  17. 17.💡 Who gave us the telephone? (a) Alessandro Volta (b) the Wright brothers (c) Alexander Fleming (d) Alexander Graham Bell
  18. 18.💡 Who gave us raised-dot writing? (a) Alessandro Volta (b) Louis Braille (c) the Wright brothers (d) Alexander Graham Bell
  19. 19.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alexander Fleming (c) Alexander Graham Bell (d) Johannes Gutenberg
  20. 20.True or false: Johannes Gutenberg gave us the first aeroplane. (a) False (b) True
  21. 21.True or false: a telescope helps us see faraway stars. (a) True (b) False
  22. 22.True or false: Alexander Fleming gave us X-rays. (a) False (b) True
  23. 23.💡 Who gave us the stethoscope? (a) Alessandro Volta (b) René Laennec (c) Alexander Graham Bell (d) Louis Braille
  24. 24.💡 Who gave us X-rays? (a) Alexander Fleming (b) René Laennec (c) Johannes Gutenberg (d) Wilhelm Röntgen
  25. 25.🔧 Which invention helps us measure body temperature? (a) telescope (b) stethoscope (c) microscope (d) thermometer
  26. 26.True or false: a calculator helps us see faraway stars. (a) False (b) True
  27. 27.What does a calculator help us do? (a) see tiny germs (b) find directions (c) hear the heartbeat (d) do sums quickly
  28. 28.What did Alessandro Volta give us? (a) the stethoscope (b) penicillin (c) the printing press (d) the electric battery
  29. 29.True or false: a printing press helps us print many books. (a) False (b) True
  30. 30.True or false: a microscope helps us talk to people far away. (a) True (b) False
  31. 31.What does a telephone help us do? (a) hear the heartbeat (b) measure body temperature (c) see tiny germs (d) talk to people far away
  32. 32.True or false: Wilhelm Röntgen gave us penicillin. (a) True (b) False
  33. 33.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  34. 34.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  35. 35.True or false: a calculator helps us hear the heartbeat. (a) True (b) False
  36. 36.🔧 Which invention helps us see tiny germs? (a) telephone (b) compass (c) microscope (d) telescope
  37. 37.🔧 Which invention helps us hear the heartbeat? (a) clock (b) printing press (c) calculator (d) stethoscope
  38. 38.True or false: a stethoscope helps us tell the time. (a) False (b) True
  39. 39.True or false: a compass helps us talk to people far away. (a) True (b) False
  40. 40.🔧 Which invention helps us talk to people far away? (a) thermometer (b) stethoscope (c) telephone (d) microscope

Answer key

  1. False
  2. Johannes Gutenberg
  3. True
  4. measure body temperature
  5. True
  6. the telephone
  7. find directions
  8. penicillin
  9. False
  10. True
  11. the first aeroplane
  12. the stethoscope
  13. True
  14. print many books
  15. Alexander Fleming
  16. False
  17. Alexander Graham Bell
  18. Louis Braille
  19. the Wright brothers
  20. False
  21. True
  22. False
  23. René Laennec
  24. Wilhelm Röntgen
  25. thermometer
  26. False
  27. do sums quickly
  28. the electric battery
  29. True
  30. False
  31. talk to people far away
  32. False
  33. True
  34. True
  35. False
  36. microscope
  37. stethoscope
  38. False
  39. False
  40. telephone

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