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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 321 · 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.What did René Laennec give us? (a) raised-dot writing (b) penicillin (c) the printing press (d) the stethoscope
  2. 2.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Louis Braille (c) Alessandro Volta (d) Edward Jenner
  3. 3.What did the Wright brothers give us? (a) the electric battery (b) penicillin (c) the first aeroplane (d) X-rays
  4. 4.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) printing press (c) microscope (d) stethoscope
  5. 5.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  6. 6.True or false: a thermometer helps us talk to people far away. (a) True (b) False
  7. 7.🔧 Which invention helps us print many books? (a) clock (b) telescope (c) printing press (d) calculator
  8. 8.🔧 Which invention helps us find directions? (a) calculator (b) clock (c) printing press (d) compass
  9. 9.What does a telephone help us do? (a) talk to people far away (b) see tiny germs (c) see faraway stars (d) hear the heartbeat
  10. 10.What did Johannes Gutenberg give us? (a) the first aeroplane (b) the telephone (c) the printing press (d) the electric battery
  11. 11.🔧 Which invention helps us measure body temperature? (a) calculator (b) microscope (c) compass (d) thermometer
  12. 12.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Louis Braille (d) Wilhelm Röntgen
  13. 13.🔧 Which invention helps us see tiny germs? (a) calculator (b) microscope (c) stethoscope (d) compass
  14. 14.🔧 Which invention helps us see faraway stars? (a) compass (b) clock (c) telephone (d) telescope
  15. 15.True or false: a telephone helps us talk to people far away. (a) True (b) False
  16. 16.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  17. 17.What does a telescope help us do? (a) do sums quickly (b) measure body temperature (c) see faraway stars (d) print many books
  18. 18.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  19. 19.What does a clock help us do? (a) see faraway stars (b) do sums quickly (c) tell the time (d) measure body temperature
  20. 20.True or false: Wilhelm Röntgen gave us the telephone. (a) True (b) False
  21. 21.🔧 Which invention helps us tell the time? (a) printing press (b) clock (c) telephone (d) microscope
  22. 22.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  23. 23.What did Alexander Graham Bell give us? (a) the first aeroplane (b) the electric battery (c) the stethoscope (d) the telephone
  24. 24.True or false: a printing press helps us find directions. (a) False (b) True
  25. 25.What does a compass help us do? (a) do sums quickly (b) hear the heartbeat (c) tell the time (d) find directions
  26. 26.True or false: a clock helps us measure body temperature. (a) True (b) False
  27. 27.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Alessandro Volta (d) Edward Jenner
  28. 28.What does a calculator help us do? (a) see tiny germs (b) see faraway stars (c) do sums quickly (d) find directions
  29. 29.True or false: Alessandro Volta gave us the telephone. (a) True (b) False
  30. 30.What does a stethoscope help us do? (a) print many books (b) do sums quickly (c) talk to people far away (d) hear the heartbeat
  31. 31.💡 Who gave us the printing press? (a) Edward Jenner (b) Louis Braille (c) Wilhelm Röntgen (d) Johannes Gutenberg
  32. 32.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) X-rays (c) the smallpox vaccine (d) the printing press
  33. 33.True or false: Alexander Fleming gave us the printing press. (a) True (b) False
  34. 34.True or false: Alessandro Volta gave us the smallpox vaccine. (a) False (b) True
  35. 35.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  36. 36.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  37. 37.What did Edward Jenner give us? (a) the smallpox vaccine (b) penicillin (c) the printing press (d) the stethoscope
  38. 38.What did Alexander Fleming give us? (a) X-rays (b) the first aeroplane (c) penicillin (d) the electric battery
  39. 39.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alessandro Volta (c) Wilhelm Röntgen (d) René Laennec
  40. 40.🔧 Which invention helps us talk to people far away? (a) microscope (b) printing press (c) telescope (d) telephone

Answer key

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

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