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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 438 · 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: Wilhelm Röntgen gave us the stethoscope. (a) False (b) True
  2. 2.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Johannes Gutenberg (c) René Laennec (d) Alexander Graham Bell
  3. 3.🔧 Which invention helps us see faraway stars? (a) thermometer (b) telephone (c) telescope (d) printing press
  4. 4.True or false: the Wright brothers gave us the stethoscope. (a) False (b) True
  5. 5.🔧 Which invention helps us measure body temperature? (a) calculator (b) telescope (c) compass (d) thermometer
  6. 6.True or false: a thermometer helps us print many books. (a) True (b) False
  7. 7.💡 Who gave us penicillin? (a) the Wright brothers (b) Alexander Fleming (c) Alexander Graham Bell (d) Alessandro Volta
  8. 8.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  9. 9.What does a printing press help us do? (a) find directions (b) see faraway stars (c) print many books (d) see tiny germs
  10. 10.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  11. 11.🔧 Which invention helps us talk to people far away? (a) telephone (b) printing press (c) stethoscope (d) thermometer
  12. 12.What did the Wright brothers give us? (a) X-rays (b) penicillin (c) raised-dot writing (d) the first aeroplane
  13. 13.What does a thermometer help us do? (a) find directions (b) talk to people far away (c) tell the time (d) measure body temperature
  14. 14.True or false: a telephone helps us talk to people far away. (a) False (b) True
  15. 15.True or false: René Laennec gave us X-rays. (a) False (b) True
  16. 16.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alexander Fleming (c) Johannes Gutenberg (d) Wilhelm Röntgen
  17. 17.True or false: a thermometer helps us do sums quickly. (a) True (b) False
  18. 18.What does a calculator help us do? (a) do sums quickly (b) talk to people far away (c) hear the heartbeat (d) print many books
  19. 19.True or false: Johannes Gutenberg gave us the telephone. (a) True (b) False
  20. 20.🔧 Which invention helps us find directions? (a) telephone (b) calculator (c) compass (d) thermometer
  21. 21.What does a compass help us do? (a) tell the time (b) see faraway stars (c) find directions (d) hear the heartbeat
  22. 22.What did Johannes Gutenberg give us? (a) the printing press (b) the electric battery (c) the smallpox vaccine (d) X-rays
  23. 23.True or false: Louis Braille gave us the printing press. (a) False (b) True
  24. 24.💡 Who gave us X-rays? (a) the Wright brothers (b) Johannes Gutenberg (c) Alexander Fleming (d) Wilhelm Röntgen
  25. 25.What did René Laennec give us? (a) the telephone (b) the electric battery (c) the stethoscope (d) the first aeroplane
  26. 26.True or false: a clock helps us tell the time. (a) False (b) True
  27. 27.What did Louis Braille give us? (a) raised-dot writing (b) the telephone (c) the printing press (d) the smallpox vaccine
  28. 28.True or false: Edward Jenner gave us the stethoscope. (a) True (b) False
  29. 29.True or false: Edward Jenner gave us the first aeroplane. (a) True (b) False
  30. 30.True or false: Alexander Graham Bell gave us X-rays. (a) False (b) True
  31. 31.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) Wilhelm Röntgen (c) the Wright brothers (d) Alexander Graham Bell
  32. 32.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  33. 33.True or false: a clock helps us see faraway stars. (a) False (b) True
  34. 34.What did Alexander Fleming give us? (a) the smallpox vaccine (b) the printing press (c) the stethoscope (d) penicillin
  35. 35.💡 Who gave us the electric battery? (a) Alessandro Volta (b) the Wright brothers (c) René Laennec (d) Johannes Gutenberg
  36. 36.True or false: Wilhelm Röntgen gave us penicillin. (a) False (b) True
  37. 37.What does a telescope help us do? (a) see tiny germs (b) see faraway stars (c) talk to people far away (d) measure body temperature
  38. 38.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) René Laennec (c) Louis Braille (d) Alexander Fleming
  39. 39.True or false: a compass helps us find directions. (a) False (b) True
  40. 40.What does a clock help us do? (a) see tiny germs (b) do sums quickly (c) measure body temperature (d) tell the time

Answer key

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

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