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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 254 · 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 Graham Bell gave us the first aeroplane. (a) False (b) True
  2. 2.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Alexander Graham Bell (c) Johannes Gutenberg (d) the Wright brothers
  3. 3.What does a telescope help us do? (a) do sums quickly (b) see faraway stars (c) tell the time (d) talk to people far away
  4. 4.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) telephone (c) microscope (d) thermometer
  5. 5.💡 Who gave us penicillin? (a) Louis Braille (b) Edward Jenner (c) Alessandro Volta (d) Alexander Fleming
  6. 6.What did Alessandro Volta give us? (a) the printing press (b) the first aeroplane (c) the smallpox vaccine (d) the electric battery
  7. 7.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the electric battery (c) the smallpox vaccine (d) X-rays
  8. 8.What does a compass help us do? (a) see tiny germs (b) measure body temperature (c) talk to people far away (d) find directions
  9. 9.True or false: the Wright brothers gave us the telephone. (a) False (b) True
  10. 10.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  11. 11.What did Louis Braille give us? (a) X-rays (b) penicillin (c) the smallpox vaccine (d) raised-dot writing
  12. 12.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  13. 13.🔧 Which invention helps us print many books? (a) stethoscope (b) calculator (c) telescope (d) printing press
  14. 14.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) microscope (c) stethoscope (d) thermometer
  15. 15.True or false: a telephone helps us measure body temperature. (a) True (b) False
  16. 16.🔧 Which invention helps us do sums quickly? (a) telephone (b) stethoscope (c) microscope (d) calculator
  17. 17.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  18. 18.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  19. 19.What does a microscope help us do? (a) see tiny germs (b) talk to people far away (c) hear the heartbeat (d) measure body temperature
  20. 20.💡 Who gave us the telephone? (a) Alexander Fleming (b) Alexander Graham Bell (c) Edward Jenner (d) Alessandro Volta
  21. 21.True or false: a telephone helps us see tiny germs. (a) True (b) False
  22. 22.What did Johannes Gutenberg give us? (a) penicillin (b) the telephone (c) the first aeroplane (d) the printing press
  23. 23.What did René Laennec give us? (a) the first aeroplane (b) raised-dot writing (c) the printing press (d) the stethoscope
  24. 24.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  25. 25.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) the Wright brothers (c) Wilhelm Röntgen (d) Edward Jenner
  26. 26.True or false: René Laennec gave us raised-dot writing. (a) False (b) True
  27. 27.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  28. 28.True or false: a compass helps us find directions. (a) True (b) False
  29. 29.True or false: Louis Braille gave us the electric battery. (a) True (b) False
  30. 30.What does a calculator help us do? (a) tell the time (b) do sums quickly (c) find directions (d) measure body temperature
  31. 31.True or false: the Wright brothers gave us the printing press. (a) False (b) True
  32. 32.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True
  33. 33.What does a thermometer help us do? (a) find directions (b) measure body temperature (c) do sums quickly (d) see faraway stars
  34. 34.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Louis Braille (c) the Wright brothers (d) Wilhelm Röntgen
  35. 35.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  36. 36.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) René Laennec (c) Wilhelm Röntgen (d) Alexander Graham Bell
  37. 37.True or false: a telescope helps us see faraway stars. (a) True (b) False
  38. 38.🔧 Which invention helps us tell the time? (a) calculator (b) compass (c) stethoscope (d) clock
  39. 39.🔧 Which invention helps us see faraway stars? (a) telephone (b) telescope (c) printing press (d) microscope
  40. 40.True or false: René Laennec gave us the telephone. (a) False (b) True

Answer key

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

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