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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 770 · 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) False (b) True
  2. 2.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  3. 3.True or false: Alexander Graham Bell gave us X-rays. (a) True (b) False
  4. 4.What does a stethoscope help us do? (a) tell the time (b) hear the heartbeat (c) measure body temperature (d) find directions
  5. 5.What did René Laennec give us? (a) raised-dot writing (b) the stethoscope (c) the first aeroplane (d) the smallpox vaccine
  6. 6.🔧 Which invention helps us measure body temperature? (a) thermometer (b) calculator (c) compass (d) stethoscope
  7. 7.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  8. 8.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) the Wright brothers (c) René Laennec (d) Johannes Gutenberg
  9. 9.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) Louis Braille (c) the Wright brothers (d) Alexander Fleming
  10. 10.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Alexander Fleming (d) Wilhelm Röntgen
  11. 11.True or false: a calculator helps us do sums quickly. (a) True (b) False
  12. 12.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Alessandro Volta (d) Louis Braille
  13. 13.What did Alexander Graham Bell give us? (a) raised-dot writing (b) the telephone (c) the stethoscope (d) the printing press
  14. 14.What does a telephone help us do? (a) print many books (b) measure body temperature (c) talk to people far away (d) see tiny germs
  15. 15.What did the Wright brothers give us? (a) the smallpox vaccine (b) the printing press (c) the first aeroplane (d) the electric battery
  16. 16.🔧 Which invention helps us find directions? (a) calculator (b) clock (c) telephone (d) compass
  17. 17.True or false: René Laennec gave us the electric battery. (a) False (b) True
  18. 18.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Louis Braille (c) Alexander Fleming (d) the Wright brothers
  19. 19.🔧 Which invention helps us hear the heartbeat? (a) telescope (b) thermometer (c) clock (d) stethoscope
  20. 20.True or false: René Laennec gave us the smallpox vaccine. (a) False (b) True
  21. 21.🔧 Which invention helps us talk to people far away? (a) telephone (b) microscope (c) calculator (d) printing press
  22. 22.True or false: a telephone helps us tell the time. (a) False (b) True
  23. 23.What does a clock help us do? (a) print many books (b) see tiny germs (c) tell the time (d) talk to people far away
  24. 24.True or false: a clock helps us tell the time. (a) True (b) False
  25. 25.What did Alexander Fleming give us? (a) the electric battery (b) penicillin (c) the smallpox vaccine (d) the printing press
  26. 26.🔧 Which invention helps us see faraway stars? (a) clock (b) telephone (c) printing press (d) telescope
  27. 27.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  28. 28.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  29. 29.💡 Who gave us the stethoscope? (a) Louis Braille (b) Johannes Gutenberg (c) Alexander Fleming (d) René Laennec
  30. 30.What does a calculator help us do? (a) do sums quickly (b) talk to people far away (c) tell the time (d) see tiny germs
  31. 31.💡 Who gave us the telephone? (a) Louis Braille (b) Wilhelm Röntgen (c) Edward Jenner (d) Alexander Graham Bell
  32. 32.True or false: René Laennec gave us X-rays. (a) True (b) False
  33. 33.What does a thermometer help us do? (a) tell the time (b) see tiny germs (c) measure body temperature (d) talk to people far away
  34. 34.True or false: a calculator helps us hear the heartbeat. (a) True (b) False
  35. 35.True or false: the Wright brothers gave us X-rays. (a) False (b) True
  36. 36.True or false: a microscope helps us see tiny germs. (a) False (b) True
  37. 37.True or false: a microscope helps us tell the time. (a) True (b) False
  38. 38.True or false: a clock helps us see tiny germs. (a) False (b) True
  39. 39.True or false: a printing press helps us measure body temperature. (a) True (b) False
  40. 40.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True

Answer key

  1. True
  2. True
  3. False
  4. hear the heartbeat
  5. the stethoscope
  6. thermometer
  7. True
  8. the Wright brothers
  9. Louis Braille
  10. Johannes Gutenberg
  11. True
  12. Wilhelm Röntgen
  13. the telephone
  14. talk to people far away
  15. the first aeroplane
  16. compass
  17. False
  18. Alessandro Volta
  19. stethoscope
  20. False
  21. telephone
  22. False
  23. tell the time
  24. True
  25. penicillin
  26. telescope
  27. True
  28. True
  29. René Laennec
  30. do sums quickly
  31. Alexander Graham Bell
  32. False
  33. measure body temperature
  34. False
  35. False
  36. True
  37. False
  38. False
  39. False
  40. True

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