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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 249 · 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 talk to people far away? (a) telephone (b) microscope (c) stethoscope (d) thermometer
  2. 2.What does a thermometer help us do? (a) measure body temperature (b) see tiny germs (c) do sums quickly (d) talk to people far away
  3. 3.💡 Who gave us X-rays? (a) Alexander Fleming (b) Louis Braille (c) Wilhelm Röntgen (d) the Wright brothers
  4. 4.True or false: the Wright brothers gave us X-rays. (a) False (b) True
  5. 5.🔧 Which invention helps us hear the heartbeat? (a) telescope (b) stethoscope (c) telephone (d) clock
  6. 6.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alexander Graham Bell (c) Johannes Gutenberg (d) René Laennec
  7. 7.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alexander Fleming (c) Wilhelm Röntgen (d) Louis Braille
  8. 8.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Edward Jenner (c) Louis Braille (d) the Wright brothers
  9. 9.True or false: a thermometer helps us do sums quickly. (a) False (b) True
  10. 10.What does a compass help us do? (a) talk to people far away (b) find directions (c) hear the heartbeat (d) see faraway stars
  11. 11.🔧 Which invention helps us tell the time? (a) calculator (b) thermometer (c) clock (d) stethoscope
  12. 12.What did the Wright brothers give us? (a) raised-dot writing (b) the printing press (c) X-rays (d) the first aeroplane
  13. 13.True or false: a printing press helps us do sums quickly. (a) False (b) True
  14. 14.True or false: a telephone helps us talk to people far away. (a) True (b) False
  15. 15.What did Wilhelm Röntgen give us? (a) the telephone (b) X-rays (c) the first aeroplane (d) the stethoscope
  16. 16.💡 Who gave us the first aeroplane? (a) René Laennec (b) Alexander Graham Bell (c) the Wright brothers (d) Alexander Fleming
  17. 17.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Alexander Fleming (c) Louis Braille (d) the Wright brothers
  18. 18.🔧 Which invention helps us do sums quickly? (a) microscope (b) telephone (c) stethoscope (d) calculator
  19. 19.What did René Laennec give us? (a) X-rays (b) the first aeroplane (c) the stethoscope (d) penicillin
  20. 20.What did Alexander Fleming give us? (a) the first aeroplane (b) X-rays (c) the electric battery (d) penicillin
  21. 21.What does a printing press help us do? (a) see tiny germs (b) talk to people far away (c) print many books (d) hear the heartbeat
  22. 22.True or false: Johannes Gutenberg gave us penicillin. (a) True (b) False
  23. 23.True or false: a thermometer helps us talk to people far away. (a) True (b) False
  24. 24.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the printing press (c) the telephone (d) X-rays
  25. 25.🔧 Which invention helps us see tiny germs? (a) telephone (b) calculator (c) telescope (d) microscope
  26. 26.True or false: Louis Braille gave us the telephone. (a) False (b) True
  27. 27.💡 Who gave us the electric battery? (a) Louis Braille (b) Edward Jenner (c) Alexander Fleming (d) Alessandro Volta
  28. 28.🔧 Which invention helps us see faraway stars? (a) microscope (b) stethoscope (c) calculator (d) telescope
  29. 29.True or false: the Wright brothers gave us the smallpox vaccine. (a) False (b) True
  30. 30.True or false: Edward Jenner gave us the telephone. (a) False (b) True
  31. 31.True or false: Alessandro Volta gave us X-rays. (a) True (b) False
  32. 32.What does a telescope help us do? (a) talk to people far away (b) find directions (c) see tiny germs (d) see faraway stars
  33. 33.True or false: Johannes Gutenberg gave us the stethoscope. (a) True (b) False
  34. 34.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) René Laennec (c) Wilhelm Röntgen (d) Johannes Gutenberg
  35. 35.What did Louis Braille give us? (a) the telephone (b) the electric battery (c) raised-dot writing (d) the smallpox vaccine
  36. 36.True or false: a calculator helps us measure body temperature. (a) True (b) False
  37. 37.What does a microscope help us do? (a) talk to people far away (b) see tiny germs (c) tell the time (d) hear the heartbeat
  38. 38.True or false: the Wright brothers gave us the printing press. (a) True (b) False
  39. 39.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  40. 40.True or false: a clock helps us see faraway stars. (a) False (b) True

Answer key

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

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