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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 348 · 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 telephone helps us talk to people far away. (a) False (b) True
  2. 2.True or false: a telescope helps us see faraway stars. (a) True (b) False
  3. 3.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  4. 4.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) René Laennec (c) Louis Braille (d) Alessandro Volta
  5. 5.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) microscope (c) calculator (d) telescope
  6. 6.What does a microscope help us do? (a) do sums quickly (b) see faraway stars (c) see tiny germs (d) measure body temperature
  7. 7.💡 Who gave us the printing press? (a) Edward Jenner (b) Johannes Gutenberg (c) the Wright brothers (d) Alessandro Volta
  8. 8.What did Louis Braille give us? (a) raised-dot writing (b) the electric battery (c) the stethoscope (d) X-rays
  9. 9.True or false: Wilhelm Röntgen gave us penicillin. (a) False (b) True
  10. 10.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  11. 11.🔧 Which invention helps us talk to people far away? (a) telescope (b) compass (c) telephone (d) printing press
  12. 12.What did the Wright brothers give us? (a) the printing press (b) the telephone (c) the first aeroplane (d) penicillin
  13. 13.True or false: a compass helps us find directions. (a) True (b) False
  14. 14.True or false: a microscope helps us see tiny germs. (a) False (b) True
  15. 15.What does a telephone help us do? (a) see tiny germs (b) talk to people far away (c) find directions (d) see faraway stars
  16. 16.True or false: a clock helps us talk to people far away. (a) True (b) False
  17. 17.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Johannes Gutenberg (c) the Wright brothers (d) Alexander Graham Bell
  18. 18.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  19. 19.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  20. 20.True or false: Edward Jenner gave us raised-dot writing. (a) True (b) False
  21. 21.True or false: a telescope helps us do sums quickly. (a) False (b) True
  22. 22.What did René Laennec give us? (a) the smallpox vaccine (b) the electric battery (c) the first aeroplane (d) the stethoscope
  23. 23.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  24. 24.True or false: Wilhelm Röntgen gave us the telephone. (a) True (b) False
  25. 25.True or false: a telephone helps us measure body temperature. (a) True (b) False
  26. 26.What did Johannes Gutenberg give us? (a) the telephone (b) the printing press (c) X-rays (d) raised-dot writing
  27. 27.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  28. 28.What does a calculator help us do? (a) see faraway stars (b) measure body temperature (c) do sums quickly (d) tell the time
  29. 29.🔧 Which invention helps us see tiny germs? (a) clock (b) telephone (c) microscope (d) compass
  30. 30.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Louis Braille (c) René Laennec (d) Alexander Fleming
  31. 31.What did Alexander Graham Bell give us? (a) the printing press (b) the first aeroplane (c) raised-dot writing (d) the telephone
  32. 32.🔧 Which invention helps us measure body temperature? (a) thermometer (b) compass (c) telescope (d) stethoscope
  33. 33.True or false: Louis Braille gave us penicillin. (a) True (b) False
  34. 34.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  35. 35.What does a telescope help us do? (a) see faraway stars (b) hear the heartbeat (c) measure body temperature (d) see tiny germs
  36. 36.True or false: a microscope helps us print many books. (a) False (b) True
  37. 37.💡 Who gave us penicillin? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Alexander Fleming (d) Edward Jenner
  38. 38.What does a thermometer help us do? (a) tell the time (b) find directions (c) see faraway stars (d) measure body temperature
  39. 39.What did Alexander Fleming give us? (a) penicillin (b) X-rays (c) the printing press (d) the smallpox vaccine
  40. 40.🔧 Which invention helps us print many books? (a) printing press (b) thermometer (c) stethoscope (d) microscope

Answer key

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

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