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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 253 · 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 measure body temperature? (a) calculator (b) thermometer (c) compass (d) clock
  2. 2.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) raised-dot writing (c) the electric battery (d) X-rays
  3. 3.🔧 Which invention helps us talk to people far away? (a) clock (b) compass (c) telephone (d) thermometer
  4. 4.What does a telescope help us do? (a) measure body temperature (b) see faraway stars (c) hear the heartbeat (d) tell the time
  5. 5.True or false: a microscope helps us measure body temperature. (a) True (b) False
  6. 6.💡 Who gave us the stethoscope? (a) Alexander Fleming (b) the Wright brothers (c) Johannes Gutenberg (d) René Laennec
  7. 7.🔧 Which invention helps us tell the time? (a) printing press (b) microscope (c) telephone (d) clock
  8. 8.True or false: Alexander Graham Bell gave us the electric battery. (a) True (b) False
  9. 9.What does a calculator help us do? (a) do sums quickly (b) hear the heartbeat (c) talk to people far away (d) measure body temperature
  10. 10.What does a thermometer help us do? (a) find directions (b) do sums quickly (c) print many books (d) measure body temperature
  11. 11.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Louis Braille (c) the Wright brothers (d) Alexander Graham Bell
  12. 12.True or false: a microscope helps us see faraway stars. (a) False (b) True
  13. 13.What does a telephone help us do? (a) do sums quickly (b) hear the heartbeat (c) talk to people far away (d) see faraway stars
  14. 14.True or false: a clock helps us hear the heartbeat. (a) False (b) True
  15. 15.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) the Wright brothers (c) René Laennec (d) Louis Braille
  16. 16.🔧 Which invention helps us hear the heartbeat? (a) clock (b) calculator (c) stethoscope (d) telescope
  17. 17.True or false: a compass helps us find directions. (a) True (b) False
  18. 18.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  19. 19.What does a compass help us do? (a) find directions (b) measure body temperature (c) hear the heartbeat (d) talk to people far away
  20. 20.True or false: a clock helps us tell the time. (a) False (b) True
  21. 21.True or false: Louis Braille gave us the electric battery. (a) False (b) True
  22. 22.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  23. 23.True or false: a telescope helps us measure body temperature. (a) False (b) True
  24. 24.What does a stethoscope help us do? (a) see faraway stars (b) tell the time (c) print many books (d) hear the heartbeat
  25. 25.🔧 Which invention helps us see tiny germs? (a) microscope (b) compass (c) telephone (d) printing press
  26. 26.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  27. 27.What did Alexander Graham Bell give us? (a) the printing press (b) X-rays (c) raised-dot writing (d) the telephone
  28. 28.True or false: a calculator helps us do sums quickly. (a) False (b) True
  29. 29.🔧 Which invention helps us do sums quickly? (a) calculator (b) thermometer (c) stethoscope (d) microscope
  30. 30.What did René Laennec give us? (a) the stethoscope (b) the printing press (c) the telephone (d) penicillin
  31. 31.True or false: a microscope helps us tell the time. (a) False (b) True
  32. 32.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Louis Braille (d) Alexander Graham Bell
  33. 33.True or false: a telephone helps us measure body temperature. (a) False (b) True
  34. 34.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  35. 35.🔧 Which invention helps us see faraway stars? (a) telephone (b) compass (c) telescope (d) stethoscope
  36. 36.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  37. 37.What did Alexander Fleming give us? (a) the electric battery (b) the printing press (c) penicillin (d) the smallpox vaccine
  38. 38.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  39. 39.What did Edward Jenner give us? (a) the first aeroplane (b) the smallpox vaccine (c) the electric battery (d) the telephone
  40. 40.True or false: René Laennec gave us the printing press. (a) True (b) False

Answer key

  1. thermometer
  2. X-rays
  3. telephone
  4. see faraway stars
  5. False
  6. René Laennec
  7. clock
  8. False
  9. do sums quickly
  10. measure body temperature
  11. Johannes Gutenberg
  12. False
  13. talk to people far away
  14. False
  15. the Wright brothers
  16. stethoscope
  17. True
  18. True
  19. find directions
  20. True
  21. False
  22. True
  23. False
  24. hear the heartbeat
  25. microscope
  26. True
  27. the telephone
  28. True
  29. calculator
  30. the stethoscope
  31. False
  32. Alexander Graham Bell
  33. False
  34. True
  35. telescope
  36. True
  37. penicillin
  38. True
  39. the smallpox vaccine
  40. False

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