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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 756 · 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 smallpox vaccine? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Louis Braille (d) Edward Jenner
  3. 3.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) microscope (c) telephone (d) telescope
  4. 4.🔧 Which invention helps us talk to people far away? (a) telephone (b) clock (c) printing press (d) telescope
  5. 5.What does a telephone help us do? (a) measure body temperature (b) see tiny germs (c) hear the heartbeat (d) talk to people far away
  6. 6.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  7. 7.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  8. 8.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) the Wright brothers (c) Louis Braille (d) Wilhelm Röntgen
  9. 9.What did the Wright brothers give us? (a) the printing press (b) the first aeroplane (c) the smallpox vaccine (d) X-rays
  10. 10.True or false: a telephone helps us talk to people far away. (a) True (b) False
  11. 11.🔧 Which invention helps us measure body temperature? (a) compass (b) calculator (c) thermometer (d) microscope
  12. 12.What does a clock help us do? (a) find directions (b) see tiny germs (c) tell the time (d) see faraway stars
  13. 13.True or false: a printing press helps us print many books. (a) True (b) False
  14. 14.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) stethoscope (c) telephone (d) calculator
  15. 15.True or false: a microscope helps us hear the heartbeat. (a) False (b) True
  16. 16.What did Louis Braille give us? (a) the printing press (b) the first aeroplane (c) raised-dot writing (d) the telephone
  17. 17.What did Alexander Graham Bell give us? (a) the telephone (b) the stethoscope (c) the first aeroplane (d) the printing press
  18. 18.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) the Wright brothers (c) Alexander Fleming (d) Johannes Gutenberg
  19. 19.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  20. 20.🔧 Which invention helps us do sums quickly? (a) calculator (b) telephone (c) stethoscope (d) thermometer
  21. 21.💡 Who gave us the stethoscope? (a) the Wright brothers (b) Alexander Fleming (c) Louis Braille (d) René Laennec
  22. 22.True or false: a clock helps us tell the time. (a) True (b) False
  23. 23.True or false: a calculator helps us talk to people far away. (a) True (b) False
  24. 24.What did Edward Jenner give us? (a) the stethoscope (b) X-rays (c) the smallpox vaccine (d) penicillin
  25. 25.What did Alessandro Volta give us? (a) penicillin (b) the first aeroplane (c) the telephone (d) the electric battery
  26. 26.True or false: Alexander Graham Bell gave us the printing press. (a) True (b) False
  27. 27.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  28. 28.True or false: a calculator helps us hear the heartbeat. (a) False (b) True
  29. 29.True or false: Edward Jenner gave us the telephone. (a) False (b) True
  30. 30.What does a stethoscope help us do? (a) see tiny germs (b) find directions (c) talk to people far away (d) hear the heartbeat
  31. 31.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  32. 32.True or false: a calculator helps us see tiny germs. (a) False (b) True
  33. 33.🔧 Which invention helps us find directions? (a) thermometer (b) microscope (c) telephone (d) compass
  34. 34.True or false: a compass helps us print many books. (a) True (b) False
  35. 35.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  36. 36.True or false: a compass helps us talk to people far away. (a) True (b) False
  37. 37.🔧 Which invention helps us see faraway stars? (a) telephone (b) clock (c) telescope (d) compass
  38. 38.True or false: a stethoscope helps us do sums quickly. (a) False (b) True
  39. 39.What does a compass help us do? (a) tell the time (b) print many books (c) hear the heartbeat (d) find directions
  40. 40.True or false: a stethoscope helps us talk to people far away. (a) False (b) True

Answer key

  1. True
  2. Edward Jenner
  3. microscope
  4. telephone
  5. talk to people far away
  6. False
  7. True
  8. Wilhelm Röntgen
  9. the first aeroplane
  10. True
  11. thermometer
  12. tell the time
  13. True
  14. stethoscope
  15. False
  16. raised-dot writing
  17. the telephone
  18. the Wright brothers
  19. True
  20. calculator
  21. René Laennec
  22. True
  23. False
  24. the smallpox vaccine
  25. the electric battery
  26. False
  27. True
  28. False
  29. False
  30. hear the heartbeat
  31. True
  32. False
  33. compass
  34. False
  35. True
  36. False
  37. telescope
  38. False
  39. find directions
  40. False

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