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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 46 · 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.💡 Who gave us X-rays? (a) Louis Braille (b) Alexander Graham Bell (c) the Wright brothers (d) Wilhelm Röntgen
  2. 2.True or false: a thermometer helps us see tiny germs. (a) True (b) False
  3. 3.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  4. 4.True or false: Alexander Fleming gave us the first aeroplane. (a) True (b) False
  5. 5.🔧 Which invention helps us do sums quickly? (a) telescope (b) clock (c) printing press (d) calculator
  6. 6.🔧 Which invention helps us measure body temperature? (a) thermometer (b) printing press (c) telephone (d) telescope
  7. 7.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) the printing press (c) X-rays (d) the smallpox vaccine
  8. 8.What did Alexander Graham Bell give us? (a) penicillin (b) the smallpox vaccine (c) the telephone (d) the printing press
  9. 9.🔧 Which invention helps us tell the time? (a) clock (b) calculator (c) stethoscope (d) microscope
  10. 10.True or false: a microscope helps us print many books. (a) True (b) False
  11. 11.What does a telephone help us do? (a) see faraway stars (b) measure body temperature (c) talk to people far away (d) see tiny germs
  12. 12.What does a microscope help us do? (a) hear the heartbeat (b) see tiny germs (c) tell the time (d) measure body temperature
  13. 13.🔧 Which invention helps us talk to people far away? (a) telescope (b) calculator (c) telephone (d) printing press
  14. 14.🔧 Which invention helps us see tiny germs? (a) telephone (b) stethoscope (c) microscope (d) thermometer
  15. 15.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) Alessandro Volta (c) Louis Braille (d) Edward Jenner
  16. 16.🔧 Which invention helps us see faraway stars? (a) calculator (b) compass (c) stethoscope (d) telescope
  17. 17.True or false: a telephone helps us talk to people far away. (a) True (b) False
  18. 18.True or false: a compass helps us find directions. (a) False (b) True
  19. 19.What does a calculator help us do? (a) talk to people far away (b) measure body temperature (c) find directions (d) do sums quickly
  20. 20.True or false: Louis Braille gave us the telephone. (a) False (b) True
  21. 21.True or false: a clock helps us see faraway stars. (a) False (b) True
  22. 22.True or false: Wilhelm Röntgen gave us the stethoscope. (a) False (b) True
  23. 23.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Louis Braille (c) Alessandro Volta (d) the Wright brothers
  24. 24.What does a clock help us do? (a) do sums quickly (b) find directions (c) tell the time (d) measure body temperature
  25. 25.True or false: a stethoscope helps us print many books. (a) True (b) False
  26. 26.True or false: Alessandro Volta gave us X-rays. (a) True (b) False
  27. 27.What does a compass help us do? (a) hear the heartbeat (b) measure body temperature (c) find directions (d) talk to people far away
  28. 28.What did Alessandro Volta give us? (a) raised-dot writing (b) the printing press (c) the electric battery (d) the stethoscope
  29. 29.💡 Who gave us the telephone? (a) Alexander Fleming (b) Louis Braille (c) Alessandro Volta (d) Alexander Graham Bell
  30. 30.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  31. 31.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) telephone (c) telescope (d) clock
  32. 32.What did René Laennec give us? (a) the first aeroplane (b) raised-dot writing (c) the stethoscope (d) the electric battery
  33. 33.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  34. 34.What does a telescope help us do? (a) see tiny germs (b) see faraway stars (c) measure body temperature (d) do sums quickly
  35. 35.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  36. 36.What did Johannes Gutenberg give us? (a) the printing press (b) the first aeroplane (c) the electric battery (d) the telephone
  37. 37.💡 Who gave us penicillin? (a) Edward Jenner (b) the Wright brothers (c) Alexander Fleming (d) Alessandro Volta
  38. 38.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  39. 39.What did Edward Jenner give us? (a) the printing press (b) the stethoscope (c) X-rays (d) the smallpox vaccine
  40. 40.🔧 Which invention helps us print many books? (a) microscope (b) thermometer (c) clock (d) printing press

Answer key

  1. Wilhelm Röntgen
  2. False
  3. True
  4. False
  5. calculator
  6. thermometer
  7. X-rays
  8. the telephone
  9. clock
  10. False
  11. talk to people far away
  12. see tiny germs
  13. telephone
  14. microscope
  15. Edward Jenner
  16. telescope
  17. True
  18. True
  19. do sums quickly
  20. False
  21. False
  22. False
  23. Alessandro Volta
  24. tell the time
  25. False
  26. False
  27. find directions
  28. the electric battery
  29. Alexander Graham Bell
  30. True
  31. stethoscope
  32. the stethoscope
  33. True
  34. see faraway stars
  35. True
  36. the printing press
  37. Alexander Fleming
  38. True
  39. the smallpox vaccine
  40. printing press

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