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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 922 · 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 clock help us do? (a) see tiny germs (b) tell the time (c) talk to people far away (d) find directions
  2. 2.True or false: a stethoscope helps us see tiny germs. (a) False (b) True
  3. 3.What does a stethoscope help us do? (a) see tiny germs (b) talk to people far away (c) hear the heartbeat (d) print many books
  4. 4.💡 Who gave us the first aeroplane? (a) Louis Braille (b) the Wright brothers (c) Alexander Graham Bell (d) Wilhelm Röntgen
  5. 5.True or false: a microscope helps us measure body temperature. (a) False (b) True
  6. 6.🔧 Which invention helps us print many books? (a) stethoscope (b) clock (c) printing press (d) thermometer
  7. 7.True or false: a printing press helps us print many books. (a) True (b) False
  8. 8.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alessandro Volta (c) René Laennec (d) Edward Jenner
  9. 9.What does a thermometer help us do? (a) tell the time (b) print many books (c) measure body temperature (d) see faraway stars
  10. 10.What did Alexander Graham Bell give us? (a) X-rays (b) the telephone (c) the smallpox vaccine (d) penicillin
  11. 11.What does a telescope help us do? (a) talk to people far away (b) see faraway stars (c) find directions (d) print many books
  12. 12.🔧 Which invention helps us hear the heartbeat? (a) telescope (b) compass (c) stethoscope (d) microscope
  13. 13.What does a compass help us do? (a) hear the heartbeat (b) tell the time (c) find directions (d) print many books
  14. 14.True or false: Alexander Graham Bell gave us the printing press. (a) False (b) True
  15. 15.What did Wilhelm Röntgen give us? (a) penicillin (b) the stethoscope (c) X-rays (d) raised-dot writing
  16. 16.What does a telephone help us do? (a) see faraway stars (b) do sums quickly (c) hear the heartbeat (d) talk to people far away
  17. 17.What did the Wright brothers give us? (a) the telephone (b) the stethoscope (c) the first aeroplane (d) the electric battery
  18. 18.True or false: René Laennec gave us the telephone. (a) True (b) False
  19. 19.True or false: a compass helps us find directions. (a) False (b) True
  20. 20.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  21. 21.💡 Who gave us X-rays? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Edward Jenner
  22. 22.True or false: Johannes Gutenberg gave us the telephone. (a) True (b) False
  23. 23.🔧 Which invention helps us tell the time? (a) compass (b) clock (c) stethoscope (d) telephone
  24. 24.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alexander Fleming (c) the Wright brothers (d) Louis Braille
  25. 25.What does a microscope help us do? (a) tell the time (b) talk to people far away (c) print many books (d) see tiny germs
  26. 26.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Louis Braille (c) Alexander Graham Bell (d) Alexander Fleming
  27. 27.What did Louis Braille give us? (a) X-rays (b) the electric battery (c) raised-dot writing (d) the stethoscope
  28. 28.True or false: Wilhelm Röntgen gave us the stethoscope. (a) False (b) True
  29. 29.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Alexander Fleming (d) René Laennec
  30. 30.What did Edward Jenner give us? (a) the printing press (b) the telephone (c) the stethoscope (d) the smallpox vaccine
  31. 31.🔧 Which invention helps us see tiny germs? (a) printing press (b) microscope (c) stethoscope (d) telephone
  32. 32.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  33. 33.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) telephone (c) calculator (d) thermometer
  34. 34.True or false: Wilhelm Röntgen gave us the printing press. (a) False (b) True
  35. 35.What did Alessandro Volta give us? (a) the printing press (b) the smallpox vaccine (c) the electric battery (d) X-rays
  36. 36.True or false: a printing press helps us tell the time. (a) True (b) False
  37. 37.💡 Who gave us the stethoscope? (a) Louis Braille (b) René Laennec (c) Edward Jenner (d) the Wright brothers
  38. 38.True or false: a telephone helps us see faraway stars. (a) True (b) False
  39. 39.True or false: a thermometer helps us tell the time. (a) False (b) True
  40. 40.🔧 Which invention helps us find directions? (a) calculator (b) telephone (c) stethoscope (d) compass

Answer key

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

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