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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 256 · 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 microscope help us do? (a) see tiny germs (b) measure body temperature (c) talk to people far away (d) print many books
  2. 2.True or false: Johannes Gutenberg gave us the first aeroplane. (a) False (b) True
  3. 3.What did Alexander Fleming give us? (a) the smallpox vaccine (b) the first aeroplane (c) the electric battery (d) penicillin
  4. 4.🔧 Which invention helps us tell the time? (a) clock (b) stethoscope (c) thermometer (d) compass
  5. 5.🔧 Which invention helps us see faraway stars? (a) calculator (b) microscope (c) printing press (d) telescope
  6. 6.🔧 Which invention helps us do sums quickly? (a) microscope (b) telephone (c) stethoscope (d) calculator
  7. 7.True or false: Johannes Gutenberg gave us the telephone. (a) True (b) False
  8. 8.True or false: Johannes Gutenberg gave us the stethoscope. (a) False (b) True
  9. 9.💡 Who gave us the stethoscope? (a) René Laennec (b) Alexander Graham Bell (c) the Wright brothers (d) Alexander Fleming
  10. 10.What does a thermometer help us do? (a) tell the time (b) hear the heartbeat (c) do sums quickly (d) measure body temperature
  11. 11.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Louis Braille (d) the Wright brothers
  12. 12.💡 Who gave us the printing press? (a) the Wright brothers (b) Alexander Graham Bell (c) Edward Jenner (d) Johannes Gutenberg
  13. 13.True or false: a clock helps us hear the heartbeat. (a) True (b) False
  14. 14.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  15. 15.True or false: a thermometer helps us see tiny germs. (a) False (b) True
  16. 16.💡 Who gave us raised-dot writing? (a) Louis Braille (b) the Wright brothers (c) Alexander Graham Bell (d) Johannes Gutenberg
  17. 17.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  18. 18.True or false: a printing press helps us print many books. (a) False (b) True
  19. 19.What does a clock help us do? (a) see tiny germs (b) measure body temperature (c) tell the time (d) do sums quickly
  20. 20.🔧 Which invention helps us print many books? (a) printing press (b) thermometer (c) stethoscope (d) clock
  21. 21.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  22. 22.What did René Laennec give us? (a) penicillin (b) the stethoscope (c) the first aeroplane (d) raised-dot writing
  23. 23.True or false: a calculator helps us do sums quickly. (a) False (b) True
  24. 24.🔧 Which invention helps us see tiny germs? (a) microscope (b) calculator (c) compass (d) stethoscope
  25. 25.What did Alexander Graham Bell give us? (a) X-rays (b) the stethoscope (c) the telephone (d) penicillin
  26. 26.True or false: the Wright brothers gave us the stethoscope. (a) True (b) False
  27. 27.True or false: Edward Jenner gave us raised-dot writing. (a) True (b) False
  28. 28.True or false: Alexander Graham Bell gave us the electric battery. (a) False (b) True
  29. 29.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  30. 30.What did Wilhelm Röntgen give us? (a) the printing press (b) the first aeroplane (c) X-rays (d) the telephone
  31. 31.True or false: a compass helps us find directions. (a) True (b) False
  32. 32.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) Louis Braille (c) Wilhelm Röntgen (d) the Wright brothers
  33. 33.True or false: Louis Braille gave us the first aeroplane. (a) False (b) True
  34. 34.True or false: the Wright brothers gave us raised-dot writing. (a) True (b) False
  35. 35.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  36. 36.💡 Who gave us penicillin? (a) René Laennec (b) Alessandro Volta (c) Alexander Fleming (d) the Wright brothers
  37. 37.What does a stethoscope help us do? (a) tell the time (b) measure body temperature (c) do sums quickly (d) hear the heartbeat
  38. 38.True or false: a calculator helps us measure body temperature. (a) True (b) False
  39. 39.True or false: a printing press helps us tell the time. (a) False (b) True
  40. 40.True or false: a clock helps us see tiny germs. (a) True (b) False

Answer key

  1. see tiny germs
  2. False
  3. penicillin
  4. clock
  5. telescope
  6. calculator
  7. False
  8. False
  9. René Laennec
  10. measure body temperature
  11. Alexander Graham Bell
  12. Johannes Gutenberg
  13. False
  14. True
  15. False
  16. Louis Braille
  17. True
  18. True
  19. tell the time
  20. printing press
  21. True
  22. the stethoscope
  23. True
  24. microscope
  25. the telephone
  26. False
  27. False
  28. False
  29. True
  30. X-rays
  31. True
  32. the Wright brothers
  33. False
  34. False
  35. True
  36. Alexander Fleming
  37. hear the heartbeat
  38. False
  39. False
  40. False

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