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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 755 · 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: Alexander Fleming gave us penicillin. (a) True (b) False
  2. 2.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) Louis Braille (c) Edward Jenner (d) Alexander Graham Bell
  3. 3.🔧 Which invention helps us talk to people far away? (a) compass (b) telephone (c) thermometer (d) calculator
  4. 4.What did Johannes Gutenberg give us? (a) the electric battery (b) the smallpox vaccine (c) raised-dot writing (d) the printing press
  5. 5.True or false: René Laennec gave us the electric battery. (a) True (b) False
  6. 6.What does a printing press help us do? (a) do sums quickly (b) talk to people far away (c) print many books (d) hear the heartbeat
  7. 7.True or false: a printing press helps us hear the heartbeat. (a) False (b) True
  8. 8.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  9. 9.What did Alexander Fleming give us? (a) the printing press (b) the smallpox vaccine (c) penicillin (d) raised-dot writing
  10. 10.🔧 Which invention helps us see tiny germs? (a) compass (b) microscope (c) calculator (d) thermometer
  11. 11.True or false: a telescope helps us see faraway stars. (a) False (b) True
  12. 12.True or false: a telephone helps us talk to people far away. (a) True (b) False
  13. 13.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True
  14. 14.💡 Who gave us raised-dot writing? (a) Alessandro Volta (b) René Laennec (c) Louis Braille (d) Johannes Gutenberg
  15. 15.True or false: a telescope helps us see tiny germs. (a) True (b) False
  16. 16.🔧 Which invention helps us see faraway stars? (a) telephone (b) telescope (c) microscope (d) calculator
  17. 17.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  18. 18.What did the Wright brothers give us? (a) the first aeroplane (b) the electric battery (c) raised-dot writing (d) penicillin
  19. 19.True or false: Alexander Fleming gave us the telephone. (a) True (b) False
  20. 20.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the electric battery (c) X-rays (d) the telephone
  21. 21.🔧 Which invention helps us measure body temperature? (a) microscope (b) stethoscope (c) thermometer (d) calculator
  22. 22.True or false: a thermometer helps us see faraway stars. (a) False (b) True
  23. 23.💡 Who gave us the printing press? (a) Alessandro Volta (b) the Wright brothers (c) Johannes Gutenberg (d) Wilhelm Röntgen
  24. 24.What does a telescope help us do? (a) measure body temperature (b) see faraway stars (c) print many books (d) see tiny germs
  25. 25.True or false: a telephone helps us print many books. (a) True (b) False
  26. 26.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) the Wright brothers (d) Edward Jenner
  27. 27.What did René Laennec give us? (a) the printing press (b) the telephone (c) raised-dot writing (d) the stethoscope
  28. 28.True or false: Johannes Gutenberg gave us the stethoscope. (a) True (b) False
  29. 29.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  30. 30.🔧 Which invention helps us do sums quickly? (a) telephone (b) stethoscope (c) telescope (d) calculator
  31. 31.What does a compass help us do? (a) find directions (b) measure body temperature (c) hear the heartbeat (d) print many books
  32. 32.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) True (b) False
  33. 33.💡 Who gave us the stethoscope? (a) the Wright brothers (b) René Laennec (c) Wilhelm Röntgen (d) Louis Braille
  34. 34.True or false: Alexander Fleming gave us the smallpox vaccine. (a) False (b) True
  35. 35.True or false: Edward Jenner gave us penicillin. (a) True (b) False
  36. 36.What does a microscope help us do? (a) measure body temperature (b) tell the time (c) see faraway stars (d) see tiny germs
  37. 37.💡 Who gave us the telephone? (a) Edward Jenner (b) Alexander Graham Bell (c) the Wright brothers (d) Johannes Gutenberg
  38. 38.💡 Who gave us penicillin? (a) Alexander Fleming (b) Johannes Gutenberg (c) Edward Jenner (d) Alexander Graham Bell
  39. 39.What did Alessandro Volta give us? (a) penicillin (b) X-rays (c) the electric battery (d) the telephone
  40. 40.True or false: a compass helps us print many books. (a) True (b) False

Answer key

  1. True
  2. Edward Jenner
  3. telephone
  4. the printing press
  5. False
  6. print many books
  7. False
  8. True
  9. penicillin
  10. microscope
  11. True
  12. True
  13. False
  14. Louis Braille
  15. False
  16. telescope
  17. True
  18. the first aeroplane
  19. False
  20. X-rays
  21. thermometer
  22. False
  23. Johannes Gutenberg
  24. see faraway stars
  25. False
  26. Wilhelm Röntgen
  27. the stethoscope
  28. False
  29. True
  30. calculator
  31. find directions
  32. False
  33. René Laennec
  34. False
  35. False
  36. see tiny germs
  37. Alexander Graham Bell
  38. Alexander Fleming
  39. the electric battery
  40. False

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