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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 750 · 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.🔧 Which invention helps us find directions? (a) compass (b) microscope (c) printing press (d) thermometer
  2. 2.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Alexander Fleming (c) Edward Jenner (d) the Wright brothers
  3. 3.💡 Who gave us the printing press? (a) Louis Braille (b) Edward Jenner (c) Alexander Graham Bell (d) Johannes Gutenberg
  4. 4.What does a calculator help us do? (a) measure body temperature (b) talk to people far away (c) do sums quickly (d) see faraway stars
  5. 5.True or false: a clock helps us hear the heartbeat. (a) True (b) False
  6. 6.🔧 Which invention helps us see faraway stars? (a) telescope (b) printing press (c) clock (d) thermometer
  7. 7.True or false: Alexander Graham Bell gave us the first aeroplane. (a) True (b) False
  8. 8.True or false: a calculator helps us find directions. (a) True (b) False
  9. 9.What does a microscope help us do? (a) hear the heartbeat (b) talk to people far away (c) see tiny germs (d) measure body temperature
  10. 10.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) Louis Braille (c) the Wright brothers (d) Wilhelm Röntgen
  11. 11.What did the Wright brothers give us? (a) the electric battery (b) raised-dot writing (c) the first aeroplane (d) the stethoscope
  12. 12.🔧 Which invention helps us talk to people far away? (a) compass (b) printing press (c) telescope (d) telephone
  13. 13.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) raised-dot writing (c) penicillin (d) the telephone
  14. 14.True or false: Alessandro Volta gave us the first aeroplane. (a) False (b) True
  15. 15.What does a thermometer help us do? (a) measure body temperature (b) talk to people far away (c) tell the time (d) see faraway stars
  16. 16.What did Wilhelm Röntgen give us? (a) the electric battery (b) the first aeroplane (c) X-rays (d) penicillin
  17. 17.True or false: a calculator helps us do sums quickly. (a) True (b) False
  18. 18.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  19. 19.💡 Who gave us the electric battery? (a) René Laennec (b) Alessandro Volta (c) Alexander Graham Bell (d) Edward Jenner
  20. 20.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  21. 21.True or false: a telescope helps us hear the heartbeat. (a) False (b) True
  22. 22.💡 Who gave us the telephone? (a) Wilhelm Röntgen (b) Alessandro Volta (c) René Laennec (d) Alexander Graham Bell
  23. 23.True or false: Alessandro Volta gave us the stethoscope. (a) False (b) True
  24. 24.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  25. 25.True or false: a printing press helps us find directions. (a) True (b) False
  26. 26.True or false: a thermometer helps us print many books. (a) False (b) True
  27. 27.🔧 Which invention helps us measure body temperature? (a) thermometer (b) microscope (c) printing press (d) compass
  28. 28.What did Johannes Gutenberg give us? (a) the printing press (b) the smallpox vaccine (c) the stethoscope (d) raised-dot writing
  29. 29.What does a telescope help us do? (a) talk to people far away (b) find directions (c) see faraway stars (d) measure body temperature
  30. 30.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  31. 31.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  32. 32.True or false: a printing press helps us talk to people far away. (a) True (b) False
  33. 33.What does a clock help us do? (a) tell the time (b) see tiny germs (c) find directions (d) see faraway stars
  34. 34.💡 Who gave us raised-dot writing? (a) René Laennec (b) the Wright brothers (c) Louis Braille (d) Alexander Fleming
  35. 35.True or false: a printing press helps us print many books. (a) False (b) True
  36. 36.True or false: Louis Braille gave us X-rays. (a) True (b) False
  37. 37.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) the Wright brothers (c) Alexander Graham Bell (d) Alexander Fleming
  38. 38.What does a compass help us do? (a) see faraway stars (b) do sums quickly (c) tell the time (d) find directions
  39. 39.🔧 Which invention helps us tell the time? (a) telephone (b) printing press (c) compass (d) clock
  40. 40.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) stethoscope (c) printing press (d) microscope

Answer key

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

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