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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 449 · 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.What does a microscope help us do? (a) see tiny germs (b) talk to people far away (c) tell the time (d) print many books
  2. 2.True or false: Johannes Gutenberg gave us X-rays. (a) False (b) True
  3. 3.🔧 Which invention helps us tell the time? (a) calculator (b) compass (c) stethoscope (d) clock
  4. 4.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) the Wright brothers (c) Johannes Gutenberg (d) Alexander Fleming
  5. 5.🔧 Which invention helps us find directions? (a) compass (b) calculator (c) printing press (d) telescope
  6. 6.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) René Laennec (c) Alexander Graham Bell (d) Louis Braille
  7. 7.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  8. 8.What does a compass help us do? (a) measure body temperature (b) find directions (c) see tiny germs (d) talk to people far away
  9. 9.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) telephone (c) stethoscope (d) telescope
  10. 10.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) True (b) False
  11. 11.True or false: René Laennec gave us the first aeroplane. (a) False (b) True
  12. 12.🔧 Which invention helps us do sums quickly? (a) clock (b) calculator (c) telephone (d) microscope
  13. 13.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Alexander Fleming (d) the Wright brothers
  14. 14.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Edward Jenner (c) Alexander Fleming (d) Alessandro Volta
  15. 15.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  16. 16.What does a telescope help us do? (a) measure body temperature (b) tell the time (c) talk to people far away (d) see faraway stars
  17. 17.What does a stethoscope help us do? (a) see tiny germs (b) hear the heartbeat (c) talk to people far away (d) tell the time
  18. 18.True or false: a printing press helps us print many books. (a) False (b) True
  19. 19.What does a calculator help us do? (a) hear the heartbeat (b) see faraway stars (c) tell the time (d) do sums quickly
  20. 20.🔧 Which invention helps us talk to people far away? (a) thermometer (b) telephone (c) compass (d) stethoscope
  21. 21.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  22. 22.True or false: a telephone helps us measure body temperature. (a) True (b) False
  23. 23.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  24. 24.🔧 Which invention helps us measure body temperature? (a) compass (b) thermometer (c) microscope (d) stethoscope
  25. 25.True or false: a microscope helps us see faraway stars. (a) True (b) False
  26. 26.What did Alexander Graham Bell give us? (a) the telephone (b) penicillin (c) X-rays (d) the electric battery
  27. 27.True or false: René Laennec gave us X-rays. (a) True (b) False
  28. 28.True or false: Alexander Fleming gave us the printing press. (a) False (b) True
  29. 29.True or false: a microscope helps us do sums quickly. (a) True (b) False
  30. 30.What did Edward Jenner give us? (a) penicillin (b) the stethoscope (c) raised-dot writing (d) the smallpox vaccine
  31. 31.True or false: Johannes Gutenberg gave us penicillin. (a) False (b) True
  32. 32.What does a telephone help us do? (a) print many books (b) hear the heartbeat (c) measure body temperature (d) talk to people far away
  33. 33.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the smallpox vaccine (d) X-rays
  34. 34.What did Johannes Gutenberg give us? (a) the telephone (b) the first aeroplane (c) the smallpox vaccine (d) the printing press
  35. 35.What did Louis Braille give us? (a) raised-dot writing (b) the printing press (c) the electric battery (d) the telephone
  36. 36.What does a clock help us do? (a) find directions (b) talk to people far away (c) tell the time (d) see tiny germs
  37. 37.What does a thermometer help us do? (a) print many books (b) hear the heartbeat (c) see faraway stars (d) measure body temperature
  38. 38.True or false: a stethoscope helps us talk to people far away. (a) False (b) True
  39. 39.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  40. 40.True or false: Louis Braille gave us the telephone. (a) False (b) True

Answer key

  1. see tiny germs
  2. False
  3. clock
  4. Johannes Gutenberg
  5. compass
  6. Louis Braille
  7. True
  8. find directions
  9. stethoscope
  10. False
  11. False
  12. calculator
  13. Alexander Fleming
  14. Edward Jenner
  15. True
  16. see faraway stars
  17. hear the heartbeat
  18. True
  19. do sums quickly
  20. telephone
  21. True
  22. False
  23. True
  24. thermometer
  25. False
  26. the telephone
  27. False
  28. False
  29. False
  30. the smallpox vaccine
  31. False
  32. talk to people far away
  33. penicillin
  34. the printing press
  35. raised-dot writing
  36. tell the time
  37. measure body temperature
  38. False
  39. True
  40. False

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