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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 825 · 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 clock helps us tell the time. (a) True (b) False
  2. 2.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  3. 3.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Alexander Fleming (c) Johannes Gutenberg (d) René Laennec
  4. 4.True or false: Edward Jenner gave us the first aeroplane. (a) False (b) True
  5. 5.What did Wilhelm Röntgen give us? (a) the electric battery (b) X-rays (c) the stethoscope (d) the printing press
  6. 6.🔧 Which invention helps us print many books? (a) printing press (b) microscope (c) telephone (d) telescope
  7. 7.What does a thermometer help us do? (a) do sums quickly (b) talk to people far away (c) measure body temperature (d) print many books
  8. 8.What does a telephone help us do? (a) print many books (b) talk to people far away (c) tell the time (d) find directions
  9. 9.What does a microscope help us do? (a) do sums quickly (b) tell the time (c) see tiny germs (d) print many books
  10. 10.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) Alexander Fleming (c) the Wright brothers (d) Johannes Gutenberg
  11. 11.True or false: a microscope helps us see tiny germs. (a) False (b) True
  12. 12.What did Alexander Graham Bell give us? (a) raised-dot writing (b) X-rays (c) the printing press (d) the telephone
  13. 13.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Alexander Fleming (d) Louis Braille
  14. 14.What did Louis Braille give us? (a) the electric battery (b) raised-dot writing (c) the smallpox vaccine (d) the telephone
  15. 15.💡 Who gave us the telephone? (a) René Laennec (b) Louis Braille (c) Alexander Graham Bell (d) Alexander Fleming
  16. 16.True or false: a compass helps us find directions. (a) True (b) False
  17. 17.What did Alessandro Volta give us? (a) the electric battery (b) the telephone (c) the stethoscope (d) the printing press
  18. 18.What does a compass help us do? (a) hear the heartbeat (b) find directions (c) measure body temperature (d) talk to people far away
  19. 19.True or false: a calculator helps us do sums quickly. (a) False (b) True
  20. 20.🔧 Which invention helps us talk to people far away? (a) compass (b) telephone (c) clock (d) thermometer
  21. 21.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  22. 22.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False
  23. 23.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) Louis Braille (c) the Wright brothers (d) Wilhelm Röntgen
  24. 24.What did René Laennec give us? (a) raised-dot writing (b) penicillin (c) X-rays (d) the stethoscope
  25. 25.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  26. 26.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) calculator (c) compass (d) stethoscope
  27. 27.True or false: a telephone helps us measure body temperature. (a) True (b) False
  28. 28.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  29. 29.💡 Who gave us X-rays? (a) Alexander Fleming (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) René Laennec
  30. 30.What did the Wright brothers give us? (a) the stethoscope (b) the telephone (c) the first aeroplane (d) X-rays
  31. 31.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  32. 32.True or false: a telephone helps us talk to people far away. (a) False (b) True
  33. 33.What does a calculator help us do? (a) hear the heartbeat (b) see tiny germs (c) measure body temperature (d) do sums quickly
  34. 34.💡 Who gave us the stethoscope? (a) Louis Braille (b) Alessandro Volta (c) René Laennec (d) Edward Jenner
  35. 35.True or false: Louis Braille gave us the electric battery. (a) False (b) True
  36. 36.🔧 Which invention helps us tell the time? (a) stethoscope (b) clock (c) calculator (d) thermometer
  37. 37.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  38. 38.True or false: Edward Jenner gave us penicillin. (a) True (b) False
  39. 39.What did Alexander Fleming give us? (a) raised-dot writing (b) the smallpox vaccine (c) penicillin (d) the first aeroplane
  40. 40.True or false: a printing press helps us print many books. (a) False (b) True

Answer key

  1. True
  2. True
  3. Alessandro Volta
  4. False
  5. X-rays
  6. printing press
  7. measure body temperature
  8. talk to people far away
  9. see tiny germs
  10. Johannes Gutenberg
  11. True
  12. the telephone
  13. Alexander Fleming
  14. raised-dot writing
  15. Alexander Graham Bell
  16. True
  17. the electric battery
  18. find directions
  19. True
  20. telephone
  21. True
  22. False
  23. the Wright brothers
  24. the stethoscope
  25. True
  26. stethoscope
  27. False
  28. True
  29. Wilhelm Röntgen
  30. the first aeroplane
  31. False
  32. True
  33. do sums quickly
  34. René Laennec
  35. False
  36. clock
  37. True
  38. False
  39. penicillin
  40. True

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