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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 275 · 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 hear the heartbeat? (a) printing press (b) thermometer (c) stethoscope (d) calculator
  2. 2.What does a clock help us do? (a) tell the time (b) see faraway stars (c) see tiny germs (d) do sums quickly
  3. 3.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alessandro Volta (c) René Laennec (d) the Wright brothers
  4. 4.What did Wilhelm Röntgen give us? (a) the telephone (b) X-rays (c) the printing press (d) raised-dot writing
  5. 5.True or false: a microscope helps us see tiny germs. (a) False (b) True
  6. 6.🔧 Which invention helps us do sums quickly? (a) telephone (b) microscope (c) calculator (d) thermometer
  7. 7.What did René Laennec give us? (a) penicillin (b) the electric battery (c) the first aeroplane (d) the stethoscope
  8. 8.What does a telephone help us do? (a) print many books (b) tell the time (c) talk to people far away (d) see tiny germs
  9. 9.True or false: a calculator helps us print many books. (a) True (b) False
  10. 10.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) René Laennec (c) Wilhelm Röntgen (d) the Wright brothers
  11. 11.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Edward Jenner (c) René Laennec (d) Alexander Fleming
  12. 12.What did Johannes Gutenberg give us? (a) the telephone (b) raised-dot writing (c) the printing press (d) penicillin
  13. 13.True or false: a compass helps us tell the time. (a) True (b) False
  14. 14.💡 Who gave us penicillin? (a) the Wright brothers (b) Alexander Graham Bell (c) Edward Jenner (d) Alexander Fleming
  15. 15.🔧 Which invention helps us tell the time? (a) clock (b) microscope (c) thermometer (d) telephone
  16. 16.What did Louis Braille give us? (a) the stethoscope (b) X-rays (c) penicillin (d) raised-dot writing
  17. 17.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  18. 18.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Edward Jenner (d) the Wright brothers
  19. 19.What does a compass help us do? (a) see tiny germs (b) see faraway stars (c) find directions (d) hear the heartbeat
  20. 20.True or false: a telephone helps us tell the time. (a) True (b) False
  21. 21.What does a thermometer help us do? (a) see faraway stars (b) measure body temperature (c) do sums quickly (d) talk to people far away
  22. 22.What did Edward Jenner give us? (a) the printing press (b) X-rays (c) the smallpox vaccine (d) the stethoscope
  23. 23.What did Alessandro Volta give us? (a) the first aeroplane (b) the printing press (c) penicillin (d) the electric battery
  24. 24.🔧 Which invention helps us see tiny germs? (a) clock (b) microscope (c) calculator (d) stethoscope
  25. 25.What does a microscope help us do? (a) find directions (b) measure body temperature (c) hear the heartbeat (d) see tiny germs
  26. 26.True or false: a telephone helps us talk to people far away. (a) True (b) False
  27. 27.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) Edward Jenner
  28. 28.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  29. 29.True or false: a telescope helps us measure body temperature. (a) False (b) True
  30. 30.True or false: Alessandro Volta gave us the stethoscope. (a) True (b) False
  31. 31.🔧 Which invention helps us measure body temperature? (a) thermometer (b) microscope (c) telephone (d) printing press
  32. 32.🔧 Which invention helps us print many books? (a) microscope (b) calculator (c) thermometer (d) printing press
  33. 33.🔧 Which invention helps us see faraway stars? (a) clock (b) telescope (c) printing press (d) microscope
  34. 34.True or false: a calculator helps us do sums quickly. (a) False (b) True
  35. 35.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True
  36. 36.What did Alexander Graham Bell give us? (a) the printing press (b) X-rays (c) the first aeroplane (d) the telephone
  37. 37.True or false: a printing press helps us find directions. (a) True (b) False
  38. 38.What did the Wright brothers give us? (a) the first aeroplane (b) the stethoscope (c) the smallpox vaccine (d) the printing press
  39. 39.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  40. 40.What does a stethoscope help us do? (a) see faraway stars (b) hear the heartbeat (c) measure body temperature (d) do sums quickly

Answer key

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

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