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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 233 · 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: a telephone helps us hear the heartbeat. (a) False (b) True
  2. 2.What does a stethoscope help us do? (a) measure body temperature (b) hear the heartbeat (c) see tiny germs (d) talk to people far away
  3. 3.🔧 Which invention helps us print many books? (a) printing press (b) compass (c) calculator (d) telephone
  4. 4.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  5. 5.💡 Who gave us penicillin? (a) Alessandro Volta (b) René Laennec (c) Alexander Fleming (d) Louis Braille
  6. 6.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Alessandro Volta (c) Edward Jenner (d) Johannes Gutenberg
  7. 7.What does a calculator help us do? (a) do sums quickly (b) print many books (c) see tiny germs (d) see faraway stars
  8. 8.💡 Who gave us the stethoscope? (a) Louis Braille (b) Alexander Graham Bell (c) the Wright brothers (d) René Laennec
  9. 9.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) stethoscope (c) compass (d) printing press
  10. 10.What does a telephone help us do? (a) talk to people far away (b) measure body temperature (c) hear the heartbeat (d) find directions
  11. 11.True or false: Johannes Gutenberg gave us the telephone. (a) True (b) False
  12. 12.🔧 Which invention helps us tell the time? (a) microscope (b) calculator (c) clock (d) telescope
  13. 13.True or false: a thermometer helps us see faraway stars. (a) True (b) False
  14. 14.True or false: a printing press helps us tell the time. (a) False (b) True
  15. 15.True or false: a stethoscope helps us see tiny germs. (a) True (b) False
  16. 16.True or false: a telephone helps us find directions. (a) True (b) False
  17. 17.🔧 Which invention helps us measure body temperature? (a) clock (b) calculator (c) thermometer (d) compass
  18. 18.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) the Wright brothers (c) Alexander Graham Bell (d) Louis Braille
  19. 19.True or false: René Laennec gave us the printing press. (a) True (b) False
  20. 20.True or false: a telephone helps us talk to people far away. (a) True (b) False
  21. 21.True or false: a telephone helps us see tiny germs. (a) False (b) True
  22. 22.True or false: a printing press helps us do sums quickly. (a) True (b) False
  23. 23.What does a microscope help us do? (a) hear the heartbeat (b) do sums quickly (c) talk to people far away (d) see tiny germs
  24. 24.True or false: René Laennec gave us the telephone. (a) False (b) True
  25. 25.What does a clock help us do? (a) tell the time (b) talk to people far away (c) print many books (d) do sums quickly
  26. 26.What did Johannes Gutenberg give us? (a) penicillin (b) the stethoscope (c) the printing press (d) the smallpox vaccine
  27. 27.True or false: Edward Jenner gave us the electric battery. (a) False (b) True
  28. 28.What did René Laennec give us? (a) penicillin (b) the telephone (c) the stethoscope (d) the smallpox vaccine
  29. 29.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  30. 30.🔧 Which invention helps us do sums quickly? (a) microscope (b) telescope (c) calculator (d) printing press
  31. 31.True or false: a clock helps us tell the time. (a) True (b) False
  32. 32.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) the Wright brothers (d) Alessandro Volta
  33. 33.What does a compass help us do? (a) find directions (b) print many books (c) tell the time (d) do sums quickly
  34. 34.What did Louis Braille give us? (a) raised-dot writing (b) the telephone (c) X-rays (d) the stethoscope
  35. 35.True or false: a calculator helps us do sums quickly. (a) False (b) True
  36. 36.💡 Who gave us the telephone? (a) Edward Jenner (b) Johannes Gutenberg (c) Alexander Graham Bell (d) the Wright brothers
  37. 37.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True
  38. 38.What does a printing press help us do? (a) do sums quickly (b) hear the heartbeat (c) print many books (d) see faraway stars
  39. 39.True or false: a printing press helps us print many books. (a) True (b) False
  40. 40.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True

Answer key

  1. False
  2. hear the heartbeat
  3. printing press
  4. True
  5. Alexander Fleming
  6. Edward Jenner
  7. do sums quickly
  8. René Laennec
  9. stethoscope
  10. talk to people far away
  11. False
  12. clock
  13. False
  14. False
  15. False
  16. False
  17. thermometer
  18. the Wright brothers
  19. False
  20. True
  21. False
  22. False
  23. see tiny germs
  24. False
  25. tell the time
  26. the printing press
  27. False
  28. the stethoscope
  29. True
  30. calculator
  31. True
  32. Johannes Gutenberg
  33. find directions
  34. raised-dot writing
  35. True
  36. Alexander Graham Bell
  37. False
  38. print many books
  39. True
  40. True

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