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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 869 · 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 telescope helps us do sums quickly. (a) True (b) False
  2. 2.True or false: a compass helps us find directions. (a) False (b) True
  3. 3.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) the Wright brothers (c) Johannes Gutenberg (d) Louis Braille
  4. 4.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  5. 5.What does a telephone help us do? (a) see faraway stars (b) measure body temperature (c) do sums quickly (d) talk to people far away
  6. 6.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  7. 7.💡 Who gave us the telephone? (a) René Laennec (b) Alexander Fleming (c) Wilhelm Röntgen (d) Alexander Graham Bell
  8. 8.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  9. 9.What did the Wright brothers give us? (a) the first aeroplane (b) the telephone (c) the printing press (d) penicillin
  10. 10.What did Alexander Graham Bell give us? (a) the telephone (b) the smallpox vaccine (c) penicillin (d) the stethoscope
  11. 11.What did Alessandro Volta give us? (a) raised-dot writing (b) the telephone (c) the printing press (d) the electric battery
  12. 12.💡 Who gave us the printing press? (a) Alexander Fleming (b) René Laennec (c) the Wright brothers (d) Johannes Gutenberg
  13. 13.What did Louis Braille give us? (a) raised-dot writing (b) the smallpox vaccine (c) the first aeroplane (d) the printing press
  14. 14.What does a clock help us do? (a) hear the heartbeat (b) see tiny germs (c) do sums quickly (d) tell the time
  15. 15.True or false: Louis Braille gave us the telephone. (a) True (b) False
  16. 16.True or false: a thermometer helps us hear the heartbeat. (a) True (b) False
  17. 17.True or false: a telescope helps us hear the heartbeat. (a) True (b) False
  18. 18.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the electric battery (d) the printing press
  19. 19.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) the Wright brothers (c) Edward Jenner (d) René Laennec
  20. 20.True or false: a compass helps us hear the heartbeat. (a) False (b) True
  21. 21.What does a microscope help us do? (a) tell the time (b) measure body temperature (c) hear the heartbeat (d) see tiny germs
  22. 22.💡 Who gave us the electric battery? (a) the Wright brothers (b) Alexander Fleming (c) Alessandro Volta (d) Alexander Graham Bell
  23. 23.What does a stethoscope help us do? (a) print many books (b) tell the time (c) see tiny germs (d) hear the heartbeat
  24. 24.True or false: Alexander Graham Bell gave us X-rays. (a) False (b) True
  25. 25.True or false: a printing press helps us see faraway stars. (a) False (b) True
  26. 26.What does a compass help us do? (a) see faraway stars (b) do sums quickly (c) hear the heartbeat (d) find directions
  27. 27.🔧 Which invention helps us print many books? (a) telephone (b) telescope (c) printing press (d) calculator
  28. 28.💡 Who gave us X-rays? (a) the Wright brothers (b) Louis Braille (c) Wilhelm Röntgen (d) Johannes Gutenberg
  29. 29.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alexander Graham Bell (c) Edward Jenner (d) Alessandro Volta
  30. 30.True or false: a telephone helps us talk to people far away. (a) False (b) True
  31. 31.🔧 Which invention helps us measure body temperature? (a) thermometer (b) telephone (c) clock (d) telescope
  32. 32.🔧 Which invention helps us talk to people far away? (a) compass (b) clock (c) telephone (d) stethoscope
  33. 33.True or false: René Laennec gave us raised-dot writing. (a) True (b) False
  34. 34.True or false: a thermometer helps us find directions. (a) False (b) True
  35. 35.🔧 Which invention helps us see tiny germs? (a) microscope (b) telephone (c) stethoscope (d) telescope
  36. 36.What does a telescope help us do? (a) see faraway stars (b) talk to people far away (c) find directions (d) hear the heartbeat
  37. 37.True or false: a stethoscope helps us measure body temperature. (a) True (b) False
  38. 38.🔧 Which invention helps us do sums quickly? (a) compass (b) calculator (c) clock (d) microscope
  39. 39.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  40. 40.🔧 Which invention helps us see faraway stars? (a) clock (b) compass (c) stethoscope (d) telescope

Answer key

  1. False
  2. True
  3. Edward Jenner
  4. True
  5. talk to people far away
  6. True
  7. Alexander Graham Bell
  8. True
  9. the first aeroplane
  10. the telephone
  11. the electric battery
  12. Johannes Gutenberg
  13. raised-dot writing
  14. tell the time
  15. False
  16. False
  17. False
  18. penicillin
  19. René Laennec
  20. False
  21. see tiny germs
  22. Alessandro Volta
  23. hear the heartbeat
  24. False
  25. False
  26. find directions
  27. printing press
  28. Wilhelm Röntgen
  29. the Wright brothers
  30. True
  31. thermometer
  32. telephone
  33. False
  34. False
  35. microscope
  36. see faraway stars
  37. False
  38. calculator
  39. True
  40. telescope

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