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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 122 · 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) telephone (b) stethoscope (c) clock (d) compass
  2. 2.What does a compass help us do? (a) do sums quickly (b) tell the time (c) see faraway stars (d) find directions
  3. 3.🔧 Which invention helps us find directions? (a) microscope (b) telephone (c) compass (d) stethoscope
  4. 4.What does a thermometer help us do? (a) measure body temperature (b) hear the heartbeat (c) see faraway stars (d) talk to people far away
  5. 5.True or false: a printing press helps us see tiny germs. (a) True (b) False
  6. 6.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Louis Braille (d) Alexander Graham Bell
  7. 7.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Louis Braille (d) Alexander Fleming
  8. 8.💡 Who gave us the printing press? (a) Alexander Fleming (b) René Laennec (c) Johannes Gutenberg (d) Edward Jenner
  9. 9.💡 Who gave us the smallpox vaccine? (a) Louis Braille (b) Alessandro Volta (c) Johannes Gutenberg (d) Edward Jenner
  10. 10.What did Johannes Gutenberg give us? (a) the telephone (b) X-rays (c) penicillin (d) the printing press
  11. 11.What did Alexander Fleming give us? (a) the smallpox vaccine (b) penicillin (c) the printing press (d) raised-dot writing
  12. 12.🔧 Which invention helps us see tiny germs? (a) compass (b) thermometer (c) telescope (d) microscope
  13. 13.🔧 Which invention helps us measure body temperature? (a) clock (b) telephone (c) telescope (d) thermometer
  14. 14.💡 Who gave us the first aeroplane? (a) René Laennec (b) Alexander Graham Bell (c) Alessandro Volta (d) the Wright brothers
  15. 15.What does a telephone help us do? (a) tell the time (b) talk to people far away (c) find directions (d) print many books
  16. 16.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  17. 17.What did the Wright brothers give us? (a) the smallpox vaccine (b) penicillin (c) the first aeroplane (d) X-rays
  18. 18.What does a clock help us do? (a) talk to people far away (b) find directions (c) see tiny germs (d) tell the time
  19. 19.True or false: a microscope helps us see faraway stars. (a) True (b) False
  20. 20.True or false: a printing press helps us print many books. (a) False (b) True
  21. 21.True or false: Edward Jenner gave us raised-dot writing. (a) True (b) False
  22. 22.True or false: Louis Braille gave us the telephone. (a) False (b) True
  23. 23.True or false: a telephone helps us see faraway stars. (a) True (b) False
  24. 24.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) True (b) False
  25. 25.What did Wilhelm Röntgen give us? (a) the telephone (b) the printing press (c) X-rays (d) the electric battery
  26. 26.What does a microscope help us do? (a) do sums quickly (b) see tiny germs (c) print many books (d) talk to people far away
  27. 27.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Louis Braille (c) Alessandro Volta (d) Wilhelm Röntgen
  28. 28.What does a calculator help us do? (a) print many books (b) do sums quickly (c) see faraway stars (d) see tiny germs
  29. 29.🔧 Which invention helps us do sums quickly? (a) compass (b) printing press (c) calculator (d) stethoscope
  30. 30.True or false: a clock helps us tell the time. (a) True (b) False
  31. 31.What did Alessandro Volta give us? (a) the first aeroplane (b) the smallpox vaccine (c) the telephone (d) the electric battery
  32. 32.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  33. 33.What did Alexander Graham Bell give us? (a) the telephone (b) penicillin (c) the first aeroplane (d) the stethoscope
  34. 34.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  35. 35.What does a telescope help us do? (a) measure body temperature (b) see tiny germs (c) talk to people far away (d) see faraway stars
  36. 36.True or false: a microscope helps us find directions. (a) False (b) True
  37. 37.True or false: a clock helps us do sums quickly. (a) True (b) False
  38. 38.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Louis Braille (d) Alessandro Volta
  39. 39.True or false: a stethoscope helps us tell the time. (a) True (b) False
  40. 40.True or false: a calculator helps us see faraway stars. (a) False (b) True

Answer key

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

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