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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 300 · 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 electric battery. (a) False (b) True
  2. 2.🔧 Which invention helps us see faraway stars? (a) telescope (b) telephone (c) calculator (d) printing press
  3. 3.True or false: Alexander Graham Bell gave us the stethoscope. (a) True (b) False
  4. 4.What did Alexander Fleming give us? (a) X-rays (b) penicillin (c) raised-dot writing (d) the telephone
  5. 5.What did Alexander Graham Bell give us? (a) the stethoscope (b) the telephone (c) penicillin (d) the smallpox vaccine
  6. 6.What does a compass help us do? (a) find directions (b) measure body temperature (c) talk to people far away (d) print many books
  7. 7.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the first aeroplane (c) the printing press (d) the stethoscope
  8. 8.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) the Wright brothers (c) Louis Braille (d) Johannes Gutenberg
  9. 9.What did René Laennec give us? (a) the stethoscope (b) the electric battery (c) the smallpox vaccine (d) the first aeroplane
  10. 10.True or false: a compass helps us talk to people far away. (a) True (b) False
  11. 11.True or false: a telescope helps us hear the heartbeat. (a) False (b) True
  12. 12.What does a thermometer help us do? (a) print many books (b) talk to people far away (c) measure body temperature (d) see tiny germs
  13. 13.What did the Wright brothers give us? (a) the printing press (b) the stethoscope (c) the smallpox vaccine (d) the first aeroplane
  14. 14.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  15. 15.True or false: a microscope helps us do sums quickly. (a) False (b) True
  16. 16.🔧 Which invention helps us measure body temperature? (a) thermometer (b) printing press (c) microscope (d) stethoscope
  17. 17.What does a microscope help us do? (a) tell the time (b) print many books (c) measure body temperature (d) see tiny germs
  18. 18.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  19. 19.What did Louis Braille give us? (a) X-rays (b) the electric battery (c) raised-dot writing (d) the smallpox vaccine
  20. 20.💡 Who gave us the electric battery? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Alessandro Volta (d) Louis Braille
  21. 21.What does a clock help us do? (a) find directions (b) tell the time (c) see faraway stars (d) measure body temperature
  22. 22.True or false: a printing press helps us print many books. (a) True (b) False
  23. 23.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Edward Jenner (c) René Laennec (d) Louis Braille
  24. 24.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  25. 25.True or false: Louis Braille gave us the electric battery. (a) True (b) False
  26. 26.What does a printing press help us do? (a) do sums quickly (b) print many books (c) talk to people far away (d) find directions
  27. 27.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) the Wright brothers (d) Johannes Gutenberg
  28. 28.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  29. 29.What did Alessandro Volta give us? (a) X-rays (b) the smallpox vaccine (c) the electric battery (d) raised-dot writing
  30. 30.🔧 Which invention helps us do sums quickly? (a) thermometer (b) calculator (c) telescope (d) stethoscope
  31. 31.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) Alexander Fleming (c) René Laennec (d) Johannes Gutenberg
  32. 32.What does a stethoscope help us do? (a) see tiny germs (b) print many books (c) hear the heartbeat (d) see faraway stars
  33. 33.True or false: a clock helps us tell the time. (a) True (b) False
  34. 34.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) False (b) True
  35. 35.💡 Who gave us penicillin? (a) René Laennec (b) Louis Braille (c) the Wright brothers (d) Alexander Fleming
  36. 36.What does a calculator help us do? (a) see faraway stars (b) print many books (c) tell the time (d) do sums quickly
  37. 37.💡 Who gave us raised-dot writing? (a) Louis Braille (b) the Wright brothers (c) Edward Jenner (d) Alexander Graham Bell
  38. 38.True or false: Alexander Graham Bell gave us X-rays. (a) False (b) True
  39. 39.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  40. 40.True or false: a calculator helps us see faraway stars. (a) True (b) False

Answer key

  1. False
  2. telescope
  3. False
  4. penicillin
  5. the telephone
  6. find directions
  7. the printing press
  8. Alexander Graham Bell
  9. the stethoscope
  10. False
  11. False
  12. measure body temperature
  13. the first aeroplane
  14. False
  15. False
  16. thermometer
  17. see tiny germs
  18. True
  19. raised-dot writing
  20. Alessandro Volta
  21. tell the time
  22. True
  23. Edward Jenner
  24. True
  25. False
  26. print many books
  27. the Wright brothers
  28. True
  29. the electric battery
  30. calculator
  31. Johannes Gutenberg
  32. hear the heartbeat
  33. True
  34. False
  35. Alexander Fleming
  36. do sums quickly
  37. Louis Braille
  38. False
  39. True
  40. False

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