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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 919 · 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: Alexander Graham Bell gave us the telephone. (a) False (b) True
  2. 2.💡 Who gave us the electric battery? (a) Edward Jenner (b) Wilhelm Röntgen (c) René Laennec (d) Alessandro Volta
  3. 3.True or false: a printing press helps us tell the time. (a) False (b) True
  4. 4.What does a compass help us do? (a) do sums quickly (b) find directions (c) tell the time (d) measure body temperature
  5. 5.🔧 Which invention helps us print many books? (a) clock (b) calculator (c) printing press (d) telephone
  6. 6.🔧 Which invention helps us talk to people far away? (a) microscope (b) telescope (c) telephone (d) stethoscope
  7. 7.What did Alexander Graham Bell give us? (a) the printing press (b) the telephone (c) the stethoscope (d) raised-dot writing
  8. 8.What did Alexander Fleming give us? (a) the stethoscope (b) the first aeroplane (c) penicillin (d) the smallpox vaccine
  9. 9.What did Wilhelm Röntgen give us? (a) the printing press (b) the electric battery (c) the stethoscope (d) X-rays
  10. 10.💡 Who gave us the telephone? (a) Louis Braille (b) Alexander Graham Bell (c) Johannes Gutenberg (d) the Wright brothers
  11. 11.What does a microscope help us do? (a) talk to people far away (b) see tiny germs (c) hear the heartbeat (d) measure body temperature
  12. 12.True or false: a stethoscope helps us talk to people far away. (a) False (b) True
  13. 13.What does a printing press help us do? (a) find directions (b) measure body temperature (c) see faraway stars (d) print many books
  14. 14.True or false: a telescope helps us talk to people far away. (a) False (b) True
  15. 15.💡 Who gave us X-rays? (a) René Laennec (b) Alessandro Volta (c) Wilhelm Röntgen (d) the Wright brothers
  16. 16.What did Edward Jenner give us? (a) the telephone (b) penicillin (c) the first aeroplane (d) the smallpox vaccine
  17. 17.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) thermometer (c) stethoscope (d) calculator
  18. 18.True or false: a printing press helps us measure body temperature. (a) False (b) True
  19. 19.True or false: a telephone helps us find directions. (a) True (b) False
  20. 20.🔧 Which invention helps us tell the time? (a) microscope (b) clock (c) telephone (d) telescope
  21. 21.💡 Who gave us penicillin? (a) Alexander Fleming (b) René Laennec (c) Wilhelm Röntgen (d) Alexander Graham Bell
  22. 22.What does a stethoscope help us do? (a) see tiny germs (b) tell the time (c) hear the heartbeat (d) talk to people far away
  23. 23.What does a clock help us do? (a) measure body temperature (b) see faraway stars (c) find directions (d) tell the time
  24. 24.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Edward Jenner (c) René Laennec (d) Louis Braille
  25. 25.🔧 Which invention helps us find directions? (a) microscope (b) thermometer (c) compass (d) printing press
  26. 26.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  27. 27.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  28. 28.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  29. 29.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  30. 30.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Louis Braille
  31. 31.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) the Wright brothers
  32. 32.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) thermometer (c) calculator (d) compass
  33. 33.True or false: a telephone helps us measure body temperature. (a) True (b) False
  34. 34.What does a telephone help us do? (a) measure body temperature (b) find directions (c) tell the time (d) talk to people far away
  35. 35.True or false: a calculator helps us do sums quickly. (a) True (b) False
  36. 36.True or false: a compass helps us measure body temperature. (a) True (b) False
  37. 37.What does a calculator help us do? (a) tell the time (b) see faraway stars (c) do sums quickly (d) print many books
  38. 38.True or false: Alessandro Volta gave us the telephone. (a) False (b) True
  39. 39.True or false: a clock helps us talk to people far away. (a) False (b) True
  40. 40.What did Alessandro Volta give us? (a) the stethoscope (b) the electric battery (c) penicillin (d) the telephone

Answer key

  1. True
  2. Alessandro Volta
  3. False
  4. find directions
  5. printing press
  6. telephone
  7. the telephone
  8. penicillin
  9. X-rays
  10. Alexander Graham Bell
  11. see tiny germs
  12. False
  13. print many books
  14. False
  15. Wilhelm Röntgen
  16. the smallpox vaccine
  17. stethoscope
  18. False
  19. False
  20. clock
  21. Alexander Fleming
  22. hear the heartbeat
  23. tell the time
  24. Edward Jenner
  25. compass
  26. True
  27. False
  28. True
  29. True
  30. Louis Braille
  31. the Wright brothers
  32. calculator
  33. False
  34. talk to people far away
  35. True
  36. False
  37. do sums quickly
  38. False
  39. False
  40. the electric battery

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