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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 306 · 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: Louis Braille gave us the stethoscope. (a) False (b) True
  2. 2.What does a compass help us do? (a) hear the heartbeat (b) find directions (c) measure body temperature (d) print many books
  3. 3.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) calculator (c) microscope (d) stethoscope
  4. 4.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  5. 5.What did the Wright brothers give us? (a) the printing press (b) the electric battery (c) the smallpox vaccine (d) the first aeroplane
  6. 6.💡 Who gave us penicillin? (a) the Wright brothers (b) Johannes Gutenberg (c) Alexander Fleming (d) Edward Jenner
  7. 7.💡 Who gave us the stethoscope? (a) Louis Braille (b) Johannes Gutenberg (c) René Laennec (d) Alexander Fleming
  8. 8.True or false: a stethoscope helps us see tiny germs. (a) False (b) True
  9. 9.True or false: a printing press helps us print many books. (a) True (b) False
  10. 10.What does a microscope help us do? (a) print many books (b) do sums quickly (c) see tiny germs (d) talk to people far away
  11. 11.True or false: a compass helps us find directions. (a) False (b) True
  12. 12.True or false: a calculator helps us do sums quickly. (a) False (b) True
  13. 13.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Alexander Graham Bell (c) the Wright brothers (d) Johannes Gutenberg
  14. 14.🔧 Which invention helps us do sums quickly? (a) calculator (b) telephone (c) printing press (d) compass
  15. 15.True or false: a calculator helps us find directions. (a) False (b) True
  16. 16.What does a telephone help us do? (a) find directions (b) hear the heartbeat (c) talk to people far away (d) print many books
  17. 17.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  18. 18.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) printing press (c) microscope (d) clock
  19. 19.True or false: Louis Braille gave us penicillin. (a) False (b) True
  20. 20.What does a telescope help us do? (a) print many books (b) hear the heartbeat (c) see faraway stars (d) talk to people far away
  21. 21.🔧 Which invention helps us see faraway stars? (a) compass (b) clock (c) telescope (d) printing press
  22. 22.True or false: a stethoscope helps us tell the time. (a) True (b) False
  23. 23.🔧 Which invention helps us tell the time? (a) compass (b) calculator (c) printing press (d) clock
  24. 24.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  25. 25.💡 Who gave us the telephone? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Edward Jenner
  26. 26.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Edward Jenner (c) Alessandro Volta (d) Wilhelm Röntgen
  27. 27.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  28. 28.What did Edward Jenner give us? (a) raised-dot writing (b) the smallpox vaccine (c) the printing press (d) the telephone
  29. 29.What did Louis Braille give us? (a) raised-dot writing (b) the printing press (c) the first aeroplane (d) the telephone
  30. 30.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  31. 31.What does a printing press help us do? (a) tell the time (b) do sums quickly (c) print many books (d) talk to people far away
  32. 32.True or false: a compass helps us talk to people far away. (a) True (b) False
  33. 33.What did Alessandro Volta give us? (a) raised-dot writing (b) the first aeroplane (c) the electric battery (d) the smallpox vaccine
  34. 34.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) the Wright brothers (c) Johannes Gutenberg (d) Alessandro Volta
  35. 35.True or false: a thermometer helps us hear the heartbeat. (a) True (b) False
  36. 36.🔧 Which invention helps us talk to people far away? (a) telephone (b) telescope (c) microscope (d) stethoscope
  37. 37.What does a stethoscope help us do? (a) hear the heartbeat (b) do sums quickly (c) tell the time (d) measure body temperature
  38. 38.True or false: a telephone helps us talk to people far away. (a) True (b) False
  39. 39.True or false: a compass helps us measure body temperature. (a) False (b) True
  40. 40.True or false: a microscope helps us find directions. (a) False (b) True

Answer key

  1. False
  2. find directions
  3. stethoscope
  4. True
  5. the first aeroplane
  6. Alexander Fleming
  7. René Laennec
  8. False
  9. True
  10. see tiny germs
  11. True
  12. True
  13. the Wright brothers
  14. calculator
  15. False
  16. talk to people far away
  17. True
  18. microscope
  19. False
  20. see faraway stars
  21. telescope
  22. False
  23. clock
  24. False
  25. Alexander Graham Bell
  26. Alessandro Volta
  27. True
  28. the smallpox vaccine
  29. raised-dot writing
  30. True
  31. print many books
  32. False
  33. the electric battery
  34. Johannes Gutenberg
  35. False
  36. telephone
  37. hear the heartbeat
  38. True
  39. False
  40. False

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