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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 773 · 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 print many books? (a) calculator (b) thermometer (c) compass (d) printing press
  2. 2.True or false: Alexander Fleming gave us the electric battery. (a) True (b) False
  3. 3.True or false: a microscope helps us see tiny germs. (a) False (b) True
  4. 4.What does a thermometer help us do? (a) tell the time (b) talk to people far away (c) hear the heartbeat (d) measure body temperature
  5. 5.What does a telescope help us do? (a) see faraway stars (b) print many books (c) hear the heartbeat (d) tell the time
  6. 6.💡 Who gave us penicillin? (a) Alexander Fleming (b) Alexander Graham Bell (c) Edward Jenner (d) Wilhelm Röntgen
  7. 7.🔧 Which invention helps us see faraway stars? (a) thermometer (b) calculator (c) telescope (d) microscope
  8. 8.🔧 Which invention helps us do sums quickly? (a) printing press (b) microscope (c) calculator (d) telephone
  9. 9.💡 Who gave us the telephone? (a) Louis Braille (b) Alexander Graham Bell (c) René Laennec (d) Wilhelm Röntgen
  10. 10.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  11. 11.True or false: a printing press helps us print many books. (a) True (b) False
  12. 12.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  13. 13.True or false: a calculator helps us do sums quickly. (a) True (b) False
  14. 14.True or false: Alexander Graham Bell gave us penicillin. (a) True (b) False
  15. 15.🔧 Which invention helps us see tiny germs? (a) telephone (b) telescope (c) microscope (d) clock
  16. 16.True or false: a printing press helps us talk to people far away. (a) True (b) False
  17. 17.True or false: the Wright brothers gave us the electric battery. (a) False (b) True
  18. 18.What does a compass help us do? (a) hear the heartbeat (b) find directions (c) see tiny germs (d) print many books
  19. 19.What did Alessandro Volta give us? (a) the printing press (b) penicillin (c) the first aeroplane (d) the electric battery
  20. 20.💡 Who gave us X-rays? (a) the Wright brothers (b) Edward Jenner (c) Alessandro Volta (d) Wilhelm Röntgen
  21. 21.🔧 Which invention helps us measure body temperature? (a) telescope (b) thermometer (c) compass (d) calculator
  22. 22.True or false: a telescope helps us see faraway stars. (a) True (b) False
  23. 23.What did René Laennec give us? (a) raised-dot writing (b) the stethoscope (c) the smallpox vaccine (d) the electric battery
  24. 24.What did Alexander Fleming give us? (a) the first aeroplane (b) the telephone (c) penicillin (d) the stethoscope
  25. 25.True or false: a stethoscope helps us find directions. (a) False (b) True
  26. 26.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) the Wright brothers (d) Louis Braille
  27. 27.What does a stethoscope help us do? (a) hear the heartbeat (b) see faraway stars (c) find directions (d) see tiny germs
  28. 28.What does a printing press help us do? (a) measure body temperature (b) talk to people far away (c) find directions (d) print many books
  29. 29.What does a calculator help us do? (a) hear the heartbeat (b) do sums quickly (c) find directions (d) measure body temperature
  30. 30.What did the Wright brothers give us? (a) the electric battery (b) the stethoscope (c) the first aeroplane (d) the telephone
  31. 31.True or false: a clock helps us measure body temperature. (a) False (b) True
  32. 32.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) Louis Braille (c) Alexander Graham Bell (d) the Wright brothers
  33. 33.True or false: a thermometer helps us hear the heartbeat. (a) False (b) True
  34. 34.True or false: a clock helps us tell the time. (a) False (b) True
  35. 35.True or false: Wilhelm Röntgen gave us the printing press. (a) False (b) True
  36. 36.What does a microscope help us do? (a) hear the heartbeat (b) see tiny germs (c) measure body temperature (d) find directions
  37. 37.What did Alexander Graham Bell give us? (a) the telephone (b) the stethoscope (c) the smallpox vaccine (d) the printing press
  38. 38.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False
  39. 39.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) True (b) False
  40. 40.What does a telephone help us do? (a) print many books (b) tell the time (c) do sums quickly (d) talk to people far away

Answer key

  1. printing press
  2. False
  3. True
  4. measure body temperature
  5. see faraway stars
  6. Alexander Fleming
  7. telescope
  8. calculator
  9. Alexander Graham Bell
  10. True
  11. True
  12. True
  13. True
  14. False
  15. microscope
  16. False
  17. False
  18. find directions
  19. the electric battery
  20. Wilhelm Röntgen
  21. thermometer
  22. True
  23. the stethoscope
  24. penicillin
  25. False
  26. the Wright brothers
  27. hear the heartbeat
  28. print many books
  29. do sums quickly
  30. the first aeroplane
  31. False
  32. Louis Braille
  33. False
  34. True
  35. False
  36. see tiny germs
  37. the telephone
  38. False
  39. False
  40. talk to people far away

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