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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 476 · 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.What does a calculator help us do? (a) measure body temperature (b) tell the time (c) do sums quickly (d) see tiny germs
  2. 2.🔧 Which invention helps us do sums quickly? (a) thermometer (b) telephone (c) telescope (d) calculator
  3. 3.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) True (b) False
  4. 4.💡 Who gave us the printing press? (a) Alexander Fleming (b) Alessandro Volta (c) Johannes Gutenberg (d) René Laennec
  5. 5.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) the Wright brothers (c) Alexander Fleming (d) Johannes Gutenberg
  6. 6.True or false: a printing press helps us print many books. (a) False (b) True
  7. 7.💡 Who gave us the stethoscope? (a) the Wright brothers (b) Louis Braille (c) Alessandro Volta (d) René Laennec
  8. 8.True or false: a printing press helps us see faraway stars. (a) False (b) True
  9. 9.True or false: a thermometer helps us see tiny germs. (a) False (b) True
  10. 10.True or false: a telephone helps us see faraway stars. (a) True (b) False
  11. 11.True or false: a microscope helps us tell the time. (a) True (b) False
  12. 12.True or false: Alexander Fleming gave us the electric battery. (a) False (b) True
  13. 13.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  14. 14.🔧 Which invention helps us print many books? (a) printing press (b) microscope (c) calculator (d) stethoscope
  15. 15.What does a compass help us do? (a) see faraway stars (b) hear the heartbeat (c) talk to people far away (d) find directions
  16. 16.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  17. 17.What does a printing press help us do? (a) see faraway stars (b) hear the heartbeat (c) see tiny germs (d) print many books
  18. 18.True or false: a clock helps us do sums quickly. (a) True (b) False
  19. 19.What did Alexander Graham Bell give us? (a) the first aeroplane (b) the telephone (c) raised-dot writing (d) the printing press
  20. 20.💡 Who gave us the smallpox vaccine? (a) Alessandro Volta (b) the Wright brothers (c) Wilhelm Röntgen (d) Edward Jenner
  21. 21.True or false: a compass helps us see faraway stars. (a) True (b) False
  22. 22.True or false: René Laennec gave us X-rays. (a) False (b) True
  23. 23.True or false: Edward Jenner gave us penicillin. (a) True (b) False
  24. 24.What did the Wright brothers give us? (a) X-rays (b) the first aeroplane (c) the smallpox vaccine (d) the telephone
  25. 25.🔧 Which invention helps us see tiny germs? (a) thermometer (b) telephone (c) microscope (d) compass
  26. 26.What does a thermometer help us do? (a) see faraway stars (b) measure body temperature (c) talk to people far away (d) print many books
  27. 27.True or false: René Laennec gave us the electric battery. (a) False (b) True
  28. 28.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  29. 29.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the printing press (c) the stethoscope (d) X-rays
  30. 30.What does a microscope help us do? (a) print many books (b) hear the heartbeat (c) see faraway stars (d) see tiny germs
  31. 31.What did Louis Braille give us? (a) the printing press (b) penicillin (c) the first aeroplane (d) raised-dot writing
  32. 32.What does a telescope help us do? (a) tell the time (b) talk to people far away (c) see faraway stars (d) find directions
  33. 33.True or false: a microscope helps us see faraway stars. (a) True (b) False
  34. 34.True or false: Edward Jenner gave us the telephone. (a) True (b) False
  35. 35.What did Alessandro Volta give us? (a) X-rays (b) the electric battery (c) the first aeroplane (d) the printing press
  36. 36.True or false: a telescope helps us hear the heartbeat. (a) False (b) True
  37. 37.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  38. 38.True or false: Alexander Fleming gave us the smallpox vaccine. (a) False (b) True
  39. 39.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  40. 40.True or false: Wilhelm Röntgen gave us the stethoscope. (a) True (b) False

Answer key

  1. do sums quickly
  2. calculator
  3. False
  4. Johannes Gutenberg
  5. Alexander Fleming
  6. True
  7. René Laennec
  8. False
  9. False
  10. False
  11. False
  12. False
  13. True
  14. printing press
  15. find directions
  16. True
  17. print many books
  18. False
  19. the telephone
  20. Edward Jenner
  21. False
  22. False
  23. False
  24. the first aeroplane
  25. microscope
  26. measure body temperature
  27. False
  28. True
  29. X-rays
  30. see tiny germs
  31. raised-dot writing
  32. see faraway stars
  33. False
  34. False
  35. the electric battery
  36. False
  37. True
  38. False
  39. True
  40. False

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