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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 557 · 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 did Louis Braille give us? (a) raised-dot writing (b) penicillin (c) the telephone (d) the printing press
  2. 2.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) René Laennec (c) Edward Jenner (d) Alessandro Volta
  3. 3.What does a calculator help us do? (a) print many books (b) do sums quickly (c) see tiny germs (d) see faraway stars
  4. 4.True or false: a microscope helps us hear the heartbeat. (a) True (b) False
  5. 5.What does a thermometer help us do? (a) find directions (b) do sums quickly (c) see tiny germs (d) measure body temperature
  6. 6.🔧 Which invention helps us see tiny germs? (a) microscope (b) stethoscope (c) calculator (d) telephone
  7. 7.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  8. 8.What did Alexander Fleming give us? (a) the smallpox vaccine (b) raised-dot writing (c) penicillin (d) the first aeroplane
  9. 9.True or false: a telephone helps us talk to people far away. (a) False (b) True
  10. 10.What did Alexander Graham Bell give us? (a) raised-dot writing (b) the stethoscope (c) the telephone (d) the printing press
  11. 11.What does a telescope help us do? (a) tell the time (b) see faraway stars (c) see tiny germs (d) print many books
  12. 12.True or false: a compass helps us find directions. (a) False (b) True
  13. 13.🔧 Which invention helps us print many books? (a) telephone (b) compass (c) thermometer (d) printing press
  14. 14.🔧 Which invention helps us do sums quickly? (a) telephone (b) calculator (c) printing press (d) stethoscope
  15. 15.What does a stethoscope help us do? (a) hear the heartbeat (b) see faraway stars (c) see tiny germs (d) print many books
  16. 16.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) the telephone (c) penicillin (d) X-rays
  17. 17.💡 Who gave us penicillin? (a) Alexander Fleming (b) Johannes Gutenberg (c) Alexander Graham Bell (d) the Wright brothers
  18. 18.What does a telephone help us do? (a) find directions (b) tell the time (c) talk to people far away (d) measure body temperature
  19. 19.What did René Laennec give us? (a) the telephone (b) the first aeroplane (c) the smallpox vaccine (d) the stethoscope
  20. 20.True or false: René Laennec gave us penicillin. (a) True (b) False
  21. 21.True or false: a clock helps us tell the time. (a) False (b) True
  22. 22.True or false: Johannes Gutenberg gave us the stethoscope. (a) False (b) True
  23. 23.True or false: a telephone helps us find directions. (a) False (b) True
  24. 24.What did the Wright brothers give us? (a) raised-dot writing (b) X-rays (c) the first aeroplane (d) the printing press
  25. 25.True or false: the Wright brothers gave us the telephone. (a) False (b) True
  26. 26.True or false: Johannes Gutenberg gave us the electric battery. (a) False (b) True
  27. 27.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  28. 28.🔧 Which invention helps us measure body temperature? (a) compass (b) telephone (c) thermometer (d) microscope
  29. 29.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True
  30. 30.🔧 Which invention helps us find directions? (a) thermometer (b) telephone (c) clock (d) compass
  31. 31.True or false: Wilhelm Röntgen gave us the printing press. (a) False (b) True
  32. 32.True or false: a microscope helps us see tiny germs. (a) True (b) False
  33. 33.True or false: a telephone helps us print many books. (a) True (b) False
  34. 34.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) False (b) True
  35. 35.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) the Wright brothers (c) Edward Jenner (d) Alexander Graham Bell
  36. 36.💡 Who gave us the stethoscope? (a) Louis Braille (b) the Wright brothers (c) René Laennec (d) Alexander Fleming
  37. 37.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  38. 38.What does a microscope help us do? (a) print many books (b) do sums quickly (c) see tiny germs (d) measure body temperature
  39. 39.What did Alessandro Volta give us? (a) the electric battery (b) the printing press (c) penicillin (d) raised-dot writing
  40. 40.True or false: a calculator helps us do sums quickly. (a) True (b) False

Answer key

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

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