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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 346 · 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 penicillin? (a) Alexander Fleming (b) Alessandro Volta (c) Louis Braille (d) Edward Jenner
  2. 2.True or false: a microscope helps us see tiny germs. (a) True (b) False
  3. 3.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  4. 4.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Edward Jenner (c) Wilhelm Röntgen (d) Louis Braille
  5. 5.🔧 Which invention helps us see tiny germs? (a) telephone (b) microscope (c) clock (d) compass
  6. 6.What did Alexander Fleming give us? (a) the first aeroplane (b) X-rays (c) the printing press (d) penicillin
  7. 7.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  8. 8.What did the Wright brothers give us? (a) the printing press (b) the telephone (c) X-rays (d) the first aeroplane
  9. 9.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  10. 10.💡 Who gave us the stethoscope? (a) René Laennec (b) Johannes Gutenberg (c) the Wright brothers (d) Louis Braille
  11. 11.What does a telephone help us do? (a) do sums quickly (b) hear the heartbeat (c) tell the time (d) talk to people far away
  12. 12.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Johannes Gutenberg (c) Louis Braille (d) Edward Jenner
  13. 13.What did Alessandro Volta give us? (a) the electric battery (b) the stethoscope (c) the telephone (d) the printing press
  14. 14.True or false: René Laennec gave us penicillin. (a) True (b) False
  15. 15.What does a thermometer help us do? (a) measure body temperature (b) do sums quickly (c) hear the heartbeat (d) see tiny germs
  16. 16.🔧 Which invention helps us print many books? (a) stethoscope (b) printing press (c) microscope (d) calculator
  17. 17.🔧 Which invention helps us see faraway stars? (a) calculator (b) stethoscope (c) telescope (d) clock
  18. 18.What does a calculator help us do? (a) do sums quickly (b) see tiny germs (c) hear the heartbeat (d) talk to people far away
  19. 19.True or false: a thermometer helps us find directions. (a) True (b) False
  20. 20.💡 Who gave us the telephone? (a) René Laennec (b) Alessandro Volta (c) Louis Braille (d) Alexander Graham Bell
  21. 21.What does a compass help us do? (a) tell the time (b) see tiny germs (c) find directions (d) measure body temperature
  22. 22.True or false: a printing press helps us see faraway stars. (a) True (b) False
  23. 23.💡 Who gave us the printing press? (a) Louis Braille (b) Alexander Fleming (c) Edward Jenner (d) Johannes Gutenberg
  24. 24.True or false: Alexander Graham Bell gave us the electric battery. (a) False (b) True
  25. 25.What does a stethoscope help us do? (a) tell the time (b) measure body temperature (c) hear the heartbeat (d) do sums quickly
  26. 26.🔧 Which invention helps us measure body temperature? (a) compass (b) telescope (c) microscope (d) thermometer
  27. 27.What does a clock help us do? (a) talk to people far away (b) hear the heartbeat (c) print many books (d) tell the time
  28. 28.What did Wilhelm Röntgen give us? (a) the stethoscope (b) the printing press (c) X-rays (d) penicillin
  29. 29.🔧 Which invention helps us talk to people far away? (a) telephone (b) calculator (c) printing press (d) compass
  30. 30.🔧 Which invention helps us hear the heartbeat? (a) telescope (b) thermometer (c) printing press (d) stethoscope
  31. 31.What does a printing press help us do? (a) tell the time (b) measure body temperature (c) print many books (d) talk to people far away
  32. 32.What does a microscope help us do? (a) see faraway stars (b) print many books (c) see tiny germs (d) tell the time
  33. 33.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  34. 34.True or false: a calculator helps us print many books. (a) True (b) False
  35. 35.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  36. 36.True or false: a telescope helps us do sums quickly. (a) True (b) False
  37. 37.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Edward Jenner (d) René Laennec
  38. 38.True or false: a telephone helps us talk to people far away. (a) False (b) True
  39. 39.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Alexander Fleming (d) the Wright brothers
  40. 40.True or false: Johannes Gutenberg gave us raised-dot writing. (a) True (b) False

Answer key

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

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