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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 391 · 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: a thermometer helps us measure body temperature. (a) True (b) False
  2. 2.What did Louis Braille give us? (a) the electric battery (b) X-rays (c) raised-dot writing (d) penicillin
  3. 3.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  4. 4.What does a thermometer help us do? (a) hear the heartbeat (b) see tiny germs (c) measure body temperature (d) talk to people far away
  5. 5.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Alessandro Volta (c) the Wright brothers (d) Alexander Graham Bell
  6. 6.What did Edward Jenner give us? (a) the printing press (b) X-rays (c) the telephone (d) the smallpox vaccine
  7. 7.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Louis Braille (c) Wilhelm Röntgen (d) Alexander Graham Bell
  8. 8.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  9. 9.True or false: a clock helps us see tiny germs. (a) False (b) True
  10. 10.True or false: a microscope helps us see tiny germs. (a) False (b) True
  11. 11.What does a stethoscope help us do? (a) do sums quickly (b) tell the time (c) measure body temperature (d) hear the heartbeat
  12. 12.What did Johannes Gutenberg give us? (a) the telephone (b) the stethoscope (c) the first aeroplane (d) the printing press
  13. 13.True or false: René Laennec gave us the printing press. (a) True (b) False
  14. 14.What does a telephone help us do? (a) hear the heartbeat (b) print many books (c) talk to people far away (d) find directions
  15. 15.💡 Who gave us the electric battery? (a) Edward Jenner (b) Alexander Graham Bell (c) Alessandro Volta (d) Wilhelm Röntgen
  16. 16.What does a microscope help us do? (a) see faraway stars (b) tell the time (c) print many books (d) see tiny germs
  17. 17.💡 Who gave us raised-dot writing? (a) Alessandro Volta (b) Louis Braille (c) Alexander Fleming (d) Edward Jenner
  18. 18.💡 Who gave us penicillin? (a) Edward Jenner (b) Alexander Fleming (c) Alexander Graham Bell (d) Wilhelm Röntgen
  19. 19.What did Alexander Fleming give us? (a) the stethoscope (b) raised-dot writing (c) penicillin (d) the telephone
  20. 20.What did the Wright brothers give us? (a) the first aeroplane (b) X-rays (c) the smallpox vaccine (d) the printing press
  21. 21.True or false: Wilhelm Röntgen gave us the printing press. (a) False (b) True
  22. 22.🔧 Which invention helps us do sums quickly? (a) compass (b) calculator (c) thermometer (d) clock
  23. 23.What does a compass help us do? (a) hear the heartbeat (b) find directions (c) measure body temperature (d) do sums quickly
  24. 24.🔧 Which invention helps us find directions? (a) microscope (b) compass (c) calculator (d) telephone
  25. 25.What does a calculator help us do? (a) tell the time (b) measure body temperature (c) do sums quickly (d) print many books
  26. 26.💡 Who gave us the telephone? (a) Alexander Fleming (b) René Laennec (c) Edward Jenner (d) Alexander Graham Bell
  27. 27.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Edward Jenner (c) the Wright brothers (d) Alexander Graham Bell
  28. 28.🔧 Which invention helps us see faraway stars? (a) stethoscope (b) telescope (c) telephone (d) calculator
  29. 29.What does a clock help us do? (a) print many books (b) find directions (c) hear the heartbeat (d) tell the time
  30. 30.What did Wilhelm Röntgen give us? (a) X-rays (b) the stethoscope (c) the electric battery (d) penicillin
  31. 31.🔧 Which invention helps us tell the time? (a) clock (b) printing press (c) microscope (d) stethoscope
  32. 32.🔧 Which invention helps us print many books? (a) thermometer (b) calculator (c) printing press (d) telescope
  33. 33.What did Alexander Graham Bell give us? (a) the printing press (b) the electric battery (c) the telephone (d) X-rays
  34. 34.True or false: Alexander Graham Bell gave us the printing press. (a) False (b) True
  35. 35.What does a printing press help us do? (a) hear the heartbeat (b) talk to people far away (c) print many books (d) see tiny germs
  36. 36.True or false: a thermometer helps us see tiny germs. (a) False (b) True
  37. 37.🔧 Which invention helps us hear the heartbeat? (a) compass (b) stethoscope (c) thermometer (d) telephone
  38. 38.🔧 Which invention helps us measure body temperature? (a) telephone (b) stethoscope (c) microscope (d) thermometer
  39. 39.True or false: a calculator helps us do sums quickly. (a) True (b) False
  40. 40.True or false: Louis Braille gave us the telephone. (a) True (b) False

Answer key

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

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