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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 467 · 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 thermometer helps us measure body temperature. (a) True (b) False
  2. 2.What does a stethoscope help us do? (a) measure body temperature (b) see faraway stars (c) do sums quickly (d) hear the heartbeat
  3. 3.True or false: a thermometer helps us print many books. (a) True (b) False
  4. 4.What did René Laennec give us? (a) the electric battery (b) the stethoscope (c) the printing press (d) the first aeroplane
  5. 5.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Alexander Fleming (c) Louis Braille (d) Alexander Graham Bell
  6. 6.🔧 Which invention helps us tell the time? (a) telephone (b) microscope (c) calculator (d) clock
  7. 7.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) Louis Braille (c) Johannes Gutenberg (d) the Wright brothers
  8. 8.💡 Who gave us X-rays? (a) Alessandro Volta (b) René Laennec (c) Alexander Fleming (d) Wilhelm Röntgen
  9. 9.What does a telescope help us do? (a) find directions (b) measure body temperature (c) see faraway stars (d) do sums quickly
  10. 10.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Alexander Fleming (d) René Laennec
  11. 11.What does a telephone help us do? (a) talk to people far away (b) hear the heartbeat (c) tell the time (d) print many books
  12. 12.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) False (b) True
  13. 13.What did Alexander Fleming give us? (a) the telephone (b) the smallpox vaccine (c) the first aeroplane (d) penicillin
  14. 14.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) calculator (c) stethoscope (d) telephone
  15. 15.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telescope (c) telephone (d) thermometer
  16. 16.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  17. 17.💡 Who gave us penicillin? (a) René Laennec (b) Alexander Fleming (c) Edward Jenner (d) Alexander Graham Bell
  18. 18.True or false: a compass helps us print many books. (a) False (b) True
  19. 19.What did Wilhelm Röntgen give us? (a) the electric battery (b) X-rays (c) raised-dot writing (d) penicillin
  20. 20.What did Alexander Graham Bell give us? (a) raised-dot writing (b) the smallpox vaccine (c) the electric battery (d) the telephone
  21. 21.🔧 Which invention helps us see faraway stars? (a) clock (b) thermometer (c) stethoscope (d) telescope
  22. 22.True or false: a telescope helps us see faraway stars. (a) False (b) True
  23. 23.🔧 Which invention helps us measure body temperature? (a) thermometer (b) telescope (c) telephone (d) calculator
  24. 24.🔧 Which invention helps us find directions? (a) stethoscope (b) calculator (c) telescope (d) compass
  25. 25.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  26. 26.True or false: a stethoscope helps us tell the time. (a) True (b) False
  27. 27.True or false: a microscope helps us see tiny germs. (a) False (b) True
  28. 28.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Edward Jenner (c) the Wright brothers (d) Alexander Graham Bell
  29. 29.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  30. 30.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  31. 31.What did Louis Braille give us? (a) the telephone (b) X-rays (c) the first aeroplane (d) raised-dot writing
  32. 32.True or false: a printing press helps us find directions. (a) False (b) True
  33. 33.What does a calculator help us do? (a) measure body temperature (b) find directions (c) do sums quickly (d) tell the time
  34. 34.True or false: a clock helps us tell the time. (a) True (b) False
  35. 35.What did the Wright brothers give us? (a) the printing press (b) the telephone (c) the first aeroplane (d) the stethoscope
  36. 36.True or false: a clock helps us talk to people far away. (a) True (b) False
  37. 37.What does a microscope help us do? (a) see tiny germs (b) talk to people far away (c) do sums quickly (d) measure body temperature
  38. 38.💡 Who gave us the telephone? (a) Alexander Fleming (b) Louis Braille (c) Alexander Graham Bell (d) René Laennec
  39. 39.What does a clock help us do? (a) hear the heartbeat (b) talk to people far away (c) find directions (d) tell the time
  40. 40.True or false: Alexander Fleming gave us penicillin. (a) False (b) True

Answer key

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

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