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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 872 · 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 did Alessandro Volta give us? (a) penicillin (b) the telephone (c) the electric battery (d) the first aeroplane
  2. 2.🔧 Which invention helps us find directions? (a) stethoscope (b) calculator (c) compass (d) clock
  3. 3.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alexander Graham Bell (c) Alexander Fleming (d) Alessandro Volta
  4. 4.What did Alexander Fleming give us? (a) the electric battery (b) penicillin (c) the printing press (d) the first aeroplane
  5. 5.True or false: a telephone helps us talk to people far away. (a) True (b) False
  6. 6.What does a thermometer help us do? (a) do sums quickly (b) see faraway stars (c) see tiny germs (d) measure body temperature
  7. 7.True or false: Wilhelm Röntgen gave us the printing press. (a) False (b) True
  8. 8.🔧 Which invention helps us see tiny germs? (a) printing press (b) microscope (c) stethoscope (d) clock
  9. 9.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) X-rays (c) the printing press (d) the telephone
  10. 10.💡 Who gave us penicillin? (a) Alexander Fleming (b) Louis Braille (c) René Laennec (d) Edward Jenner
  11. 11.🔧 Which invention helps us measure body temperature? (a) telescope (b) compass (c) thermometer (d) telephone
  12. 12.🔧 Which invention helps us hear the heartbeat? (a) compass (b) clock (c) thermometer (d) stethoscope
  13. 13.💡 Who gave us the electric battery? (a) Johannes Gutenberg (b) the Wright brothers (c) Wilhelm Röntgen (d) Alessandro Volta
  14. 14.True or false: Alexander Graham Bell gave us penicillin. (a) True (b) False
  15. 15.What did Johannes Gutenberg give us? (a) the first aeroplane (b) the stethoscope (c) the printing press (d) X-rays
  16. 16.💡 Who gave us the stethoscope? (a) René Laennec (b) Alexander Graham Bell (c) Alexander Fleming (d) Alessandro Volta
  17. 17.What does a clock help us do? (a) tell the time (b) see tiny germs (c) find directions (d) hear the heartbeat
  18. 18.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Alessandro Volta (c) René Laennec (d) Edward Jenner
  19. 19.True or false: René Laennec gave us penicillin. (a) True (b) False
  20. 20.What does a stethoscope help us do? (a) see faraway stars (b) tell the time (c) hear the heartbeat (d) talk to people far away
  21. 21.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  22. 22.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Edward Jenner (c) Wilhelm Röntgen (d) Louis Braille
  23. 23.True or false: a thermometer helps us do sums quickly. (a) False (b) True
  24. 24.True or false: a stethoscope helps us find directions. (a) False (b) True
  25. 25.What did Edward Jenner give us? (a) raised-dot writing (b) penicillin (c) the smallpox vaccine (d) the electric battery
  26. 26.💡 Who gave us the printing press? (a) René Laennec (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Wilhelm Röntgen
  27. 27.💡 Who gave us the telephone? (a) Alessandro Volta (b) Louis Braille (c) Edward Jenner (d) Alexander Graham Bell
  28. 28.🔧 Which invention helps us print many books? (a) clock (b) printing press (c) microscope (d) telescope
  29. 29.🔧 Which invention helps us do sums quickly? (a) calculator (b) telescope (c) printing press (d) stethoscope
  30. 30.True or false: a calculator helps us do sums quickly. (a) False (b) True
  31. 31.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) René Laennec
  32. 32.What does a calculator help us do? (a) hear the heartbeat (b) see faraway stars (c) do sums quickly (d) talk to people far away
  33. 33.🔧 Which invention helps us talk to people far away? (a) microscope (b) compass (c) telephone (d) clock
  34. 34.What did Louis Braille give us? (a) raised-dot writing (b) penicillin (c) the smallpox vaccine (d) the stethoscope
  35. 35.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  36. 36.🔧 Which invention helps us tell the time? (a) stethoscope (b) clock (c) telephone (d) printing press
  37. 37.True or false: Edward Jenner gave us the electric battery. (a) True (b) False
  38. 38.What does a telescope help us do? (a) see faraway stars (b) hear the heartbeat (c) find directions (d) talk to people far away
  39. 39.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  40. 40.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True

Answer key

  1. the electric battery
  2. compass
  3. the Wright brothers
  4. penicillin
  5. True
  6. measure body temperature
  7. False
  8. microscope
  9. X-rays
  10. Alexander Fleming
  11. thermometer
  12. stethoscope
  13. Alessandro Volta
  14. False
  15. the printing press
  16. René Laennec
  17. tell the time
  18. Wilhelm Röntgen
  19. False
  20. hear the heartbeat
  21. True
  22. Louis Braille
  23. False
  24. False
  25. the smallpox vaccine
  26. Johannes Gutenberg
  27. Alexander Graham Bell
  28. printing press
  29. calculator
  30. True
  31. Edward Jenner
  32. do sums quickly
  33. telephone
  34. raised-dot writing
  35. True
  36. clock
  37. False
  38. see faraway stars
  39. True
  40. True

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