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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 654 · 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 raised-dot writing? (a) Louis Braille (b) Wilhelm Röntgen (c) René Laennec (d) the Wright brothers
  2. 2.True or false: a clock helps us talk to people far away. (a) False (b) True
  3. 3.🔧 Which invention helps us print many books? (a) printing press (b) clock (c) compass (d) telephone
  4. 4.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  5. 5.What does a stethoscope help us do? (a) tell the time (b) talk to people far away (c) do sums quickly (d) hear the heartbeat
  6. 6.🔧 Which invention helps us measure body temperature? (a) compass (b) calculator (c) thermometer (d) telephone
  7. 7.What did Edward Jenner give us? (a) the first aeroplane (b) raised-dot writing (c) penicillin (d) the smallpox vaccine
  8. 8.What does a compass help us do? (a) talk to people far away (b) see tiny germs (c) do sums quickly (d) find directions
  9. 9.True or false: a telephone helps us print many books. (a) True (b) False
  10. 10.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) Alexander Fleming (c) the Wright brothers (d) Edward Jenner
  11. 11.What did Louis Braille give us? (a) the printing press (b) raised-dot writing (c) the smallpox vaccine (d) the first aeroplane
  12. 12.True or false: a thermometer helps us see faraway stars. (a) True (b) False
  13. 13.What does a microscope help us do? (a) find directions (b) see tiny germs (c) do sums quickly (d) measure body temperature
  14. 14.True or false: a telescope helps us see tiny germs. (a) True (b) False
  15. 15.🔧 Which invention helps us find directions? (a) thermometer (b) compass (c) telephone (d) calculator
  16. 16.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  17. 17.What did Johannes Gutenberg give us? (a) penicillin (b) the telephone (c) the printing press (d) raised-dot writing
  18. 18.True or false: a thermometer helps us talk to people far away. (a) True (b) False
  19. 19.What did the Wright brothers give us? (a) raised-dot writing (b) the printing press (c) penicillin (d) the first aeroplane
  20. 20.True or false: Alexander Fleming gave us the telephone. (a) True (b) False
  21. 21.True or false: a telescope helps us see faraway stars. (a) True (b) False
  22. 22.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) True (b) False
  23. 23.What did Wilhelm Röntgen give us? (a) the telephone (b) raised-dot writing (c) X-rays (d) penicillin
  24. 24.What does a calculator help us do? (a) tell the time (b) do sums quickly (c) hear the heartbeat (d) talk to people far away
  25. 25.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) calculator (c) microscope (d) printing press
  26. 26.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  27. 27.What does a telephone help us do? (a) do sums quickly (b) talk to people far away (c) see tiny germs (d) print many books
  28. 28.🔧 Which invention helps us talk to people far away? (a) telephone (b) printing press (c) stethoscope (d) compass
  29. 29.True or false: a microscope helps us hear the heartbeat. (a) True (b) False
  30. 30.True or false: a compass helps us find directions. (a) True (b) False
  31. 31.What did Alexander Graham Bell give us? (a) raised-dot writing (b) the stethoscope (c) the electric battery (d) the telephone
  32. 32.True or false: a clock helps us tell the time. (a) False (b) True
  33. 33.What does a thermometer help us do? (a) do sums quickly (b) measure body temperature (c) hear the heartbeat (d) find directions
  34. 34.True or false: a telephone helps us talk to people far away. (a) True (b) False
  35. 35.💡 Who gave us the electric battery? (a) Wilhelm Röntgen (b) Alessandro Volta (c) René Laennec (d) Alexander Graham Bell
  36. 36.🔧 Which invention helps us do sums quickly? (a) telescope (b) printing press (c) telephone (d) calculator
  37. 37.True or false: a thermometer helps us hear the heartbeat. (a) False (b) True
  38. 38.💡 Who gave us the printing press? (a) Louis Braille (b) Alessandro Volta (c) Johannes Gutenberg (d) the Wright brothers
  39. 39.🔧 Which invention helps us hear the heartbeat? (a) clock (b) stethoscope (c) printing press (d) thermometer
  40. 40.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True

Answer key

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

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