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Class 4 GK Worksheet: Inventions and Inventors

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

Answer key

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

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