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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 784 · 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: Louis Braille gave us X-rays. (a) False (b) True
  2. 2.🔧 Which invention helps us see tiny germs? (a) telephone (b) clock (c) calculator (d) microscope
  3. 3.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  4. 4.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Louis Braille (c) Alexander Fleming (d) Edward Jenner
  5. 5.What did Alexander Fleming give us? (a) the first aeroplane (b) the printing press (c) the electric battery (d) penicillin
  6. 6.What does a thermometer help us do? (a) find directions (b) measure body temperature (c) hear the heartbeat (d) do sums quickly
  7. 7.🔧 Which invention helps us measure body temperature? (a) telephone (b) compass (c) thermometer (d) stethoscope
  8. 8.True or false: Louis Braille gave us the stethoscope. (a) True (b) False
  9. 9.What did Louis Braille give us? (a) raised-dot writing (b) the printing press (c) the telephone (d) the first aeroplane
  10. 10.What does a calculator help us do? (a) measure body temperature (b) do sums quickly (c) tell the time (d) hear the heartbeat
  11. 11.True or false: a microscope helps us tell the time. (a) False (b) True
  12. 12.True or false: a compass helps us print many books. (a) False (b) True
  13. 13.True or false: a calculator helps us measure body temperature. (a) True (b) False
  14. 14.What did Johannes Gutenberg give us? (a) the printing press (b) the electric battery (c) X-rays (d) the stethoscope
  15. 15.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Johannes Gutenberg (c) Alexander Graham Bell (d) the Wright brothers
  16. 16.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  17. 17.💡 Who gave us the printing press? (a) Edward Jenner (b) Louis Braille (c) Johannes Gutenberg (d) Alexander Graham Bell
  18. 18.What did René Laennec give us? (a) X-rays (b) raised-dot writing (c) the smallpox vaccine (d) the stethoscope
  19. 19.🔧 Which invention helps us see faraway stars? (a) telephone (b) telescope (c) clock (d) calculator
  20. 20.True or false: Alessandro Volta gave us the telephone. (a) True (b) False
  21. 21.💡 Who gave us X-rays? (a) the Wright brothers (b) Alexander Fleming (c) Alexander Graham Bell (d) Wilhelm Röntgen
  22. 22.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  23. 23.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Alexander Fleming (c) Alexander Graham Bell (d) Wilhelm Röntgen
  24. 24.True or false: a microscope helps us do sums quickly. (a) True (b) False
  25. 25.🔧 Which invention helps us print many books? (a) microscope (b) calculator (c) stethoscope (d) printing press
  26. 26.What does a telephone help us do? (a) measure body temperature (b) talk to people far away (c) find directions (d) see faraway stars
  27. 27.True or false: René Laennec gave us the printing press. (a) False (b) True
  28. 28.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) the Wright brothers (c) Alessandro Volta (d) Louis Braille
  29. 29.🔧 Which invention helps us do sums quickly? (a) thermometer (b) clock (c) telescope (d) calculator
  30. 30.What does a stethoscope help us do? (a) talk to people far away (b) measure body temperature (c) find directions (d) hear the heartbeat
  31. 31.True or false: Johannes Gutenberg gave us penicillin. (a) True (b) False
  32. 32.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Louis Braille (c) René Laennec (d) Wilhelm Röntgen
  33. 33.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  34. 34.🔧 Which invention helps us talk to people far away? (a) telephone (b) calculator (c) thermometer (d) stethoscope
  35. 35.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) False (b) True
  36. 36.True or false: a thermometer helps us tell the time. (a) False (b) True
  37. 37.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  38. 38.What does a telescope help us do? (a) see faraway stars (b) print many books (c) see tiny germs (d) measure body temperature
  39. 39.What does a microscope help us do? (a) hear the heartbeat (b) print many books (c) see faraway stars (d) see tiny germs
  40. 40.True or false: Alexander Fleming gave us penicillin. (a) False (b) True

Answer key

  1. False
  2. microscope
  3. True
  4. Louis Braille
  5. penicillin
  6. measure body temperature
  7. thermometer
  8. False
  9. raised-dot writing
  10. do sums quickly
  11. False
  12. False
  13. False
  14. the printing press
  15. the Wright brothers
  16. True
  17. Johannes Gutenberg
  18. the stethoscope
  19. telescope
  20. False
  21. Wilhelm Röntgen
  22. True
  23. Alexander Fleming
  24. False
  25. printing press
  26. talk to people far away
  27. False
  28. Alexander Graham Bell
  29. calculator
  30. hear the heartbeat
  31. False
  32. René Laennec
  33. True
  34. telephone
  35. False
  36. False
  37. True
  38. see faraway stars
  39. see tiny germs
  40. True

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