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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 76 · 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 compass helps us hear the heartbeat. (a) True (b) False
  2. 2.What does a compass help us do? (a) measure body temperature (b) print many books (c) tell the time (d) find directions
  3. 3.What does a calculator help us do? (a) do sums quickly (b) talk to people far away (c) tell the time (d) measure body temperature
  4. 4.🔧 Which invention helps us see faraway stars? (a) telescope (b) microscope (c) thermometer (d) compass
  5. 5.What does a stethoscope help us do? (a) hear the heartbeat (b) see tiny germs (c) do sums quickly (d) measure body temperature
  6. 6.True or false: a printing press helps us print many books. (a) True (b) False
  7. 7.True or false: Alexander Graham Bell gave us X-rays. (a) False (b) True
  8. 8.💡 Who gave us penicillin? (a) Edward Jenner (b) the Wright brothers (c) Alexander Graham Bell (d) Alexander Fleming
  9. 9.True or false: a telescope helps us talk to people far away. (a) False (b) True
  10. 10.🔧 Which invention helps us find directions? (a) stethoscope (b) telescope (c) clock (d) compass
  11. 11.True or false: Alexander Fleming gave us the telephone. (a) False (b) True
  12. 12.🔧 Which invention helps us tell the time? (a) microscope (b) calculator (c) telescope (d) clock
  13. 13.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) printing press (c) microscope (d) compass
  14. 14.🔧 Which invention helps us do sums quickly? (a) microscope (b) telephone (c) compass (d) calculator
  15. 15.True or false: a compass helps us see tiny germs. (a) False (b) True
  16. 16.💡 Who gave us the stethoscope? (a) Louis Braille (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) René Laennec
  17. 17.What did the Wright brothers give us? (a) the electric battery (b) raised-dot writing (c) the first aeroplane (d) the stethoscope
  18. 18.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the stethoscope (d) the electric battery
  19. 19.True or false: a stethoscope helps us see faraway stars. (a) True (b) False
  20. 20.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  21. 21.What does a microscope help us do? (a) hear the heartbeat (b) talk to people far away (c) tell the time (d) see tiny germs
  22. 22.🔧 Which invention helps us talk to people far away? (a) printing press (b) telescope (c) telephone (d) microscope
  23. 23.True or false: Edward Jenner gave us the printing press. (a) False (b) True
  24. 24.What does a telephone help us do? (a) hear the heartbeat (b) measure body temperature (c) talk to people far away (d) find directions
  25. 25.True or false: a telephone helps us print many books. (a) True (b) False
  26. 26.💡 Who gave us X-rays? (a) Louis Braille (b) the Wright brothers (c) Wilhelm Röntgen (d) Johannes Gutenberg
  27. 27.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) the Wright brothers
  28. 28.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  29. 29.🔧 Which invention helps us measure body temperature? (a) telescope (b) telephone (c) calculator (d) thermometer
  30. 30.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Alexander Fleming (c) Wilhelm Röntgen (d) Alexander Graham Bell
  31. 31.What does a telescope help us do? (a) measure body temperature (b) find directions (c) see faraway stars (d) talk to people far away
  32. 32.True or false: a clock helps us do sums quickly. (a) False (b) True
  33. 33.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  34. 34.True or false: a printing press helps us talk to people far away. (a) True (b) False
  35. 35.What did René Laennec give us? (a) the first aeroplane (b) raised-dot writing (c) the stethoscope (d) the telephone
  36. 36.What did Alessandro Volta give us? (a) the telephone (b) the electric battery (c) the smallpox vaccine (d) the stethoscope
  37. 37.True or false: Alexander Graham Bell gave us raised-dot writing. (a) False (b) True
  38. 38.What did Louis Braille give us? (a) penicillin (b) the telephone (c) raised-dot writing (d) X-rays
  39. 39.True or false: Edward Jenner gave us the stethoscope. (a) True (b) False
  40. 40.💡 Who gave us the smallpox vaccine? (a) Louis Braille (b) the Wright brothers (c) Alexander Fleming (d) Edward Jenner

Answer key

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

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