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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 823 · 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.True or false: a microscope helps us see tiny germs. (a) True (b) False
  2. 2.True or false: a calculator helps us see tiny germs. (a) False (b) True
  3. 3.True or false: a telephone helps us talk to people far away. (a) False (b) True
  4. 4.🔧 Which invention helps us print many books? (a) telescope (b) printing press (c) stethoscope (d) telephone
  5. 5.🔧 Which invention helps us tell the time? (a) compass (b) stethoscope (c) calculator (d) clock
  6. 6.What does a calculator help us do? (a) print many books (b) see tiny germs (c) find directions (d) do sums quickly
  7. 7.What does a telescope help us do? (a) see faraway stars (b) measure body temperature (c) print many books (d) see tiny germs
  8. 8.True or false: Alexander Fleming gave us the telephone. (a) False (b) True
  9. 9.True or false: a calculator helps us print many books. (a) False (b) True
  10. 10.What did Edward Jenner give us? (a) the smallpox vaccine (b) the stethoscope (c) the first aeroplane (d) the telephone
  11. 11.True or false: René Laennec gave us the smallpox vaccine. (a) False (b) True
  12. 12.True or false: Wilhelm Röntgen gave us the electric battery. (a) False (b) True
  13. 13.True or false: a clock helps us see tiny germs. (a) False (b) True
  14. 14.True or false: Alessandro Volta gave us the printing press. (a) False (b) True
  15. 15.What did René Laennec give us? (a) the printing press (b) the electric battery (c) the stethoscope (d) the smallpox vaccine
  16. 16.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  17. 17.What does a compass help us do? (a) print many books (b) do sums quickly (c) find directions (d) see tiny germs
  18. 18.💡 Who gave us X-rays? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Alessandro Volta
  19. 19.True or false: the Wright brothers gave us raised-dot writing. (a) True (b) False
  20. 20.🔧 Which invention helps us find directions? (a) compass (b) thermometer (c) telescope (d) telephone
  21. 21.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) calculator (c) telephone (d) microscope
  22. 22.What does a thermometer help us do? (a) see faraway stars (b) see tiny germs (c) find directions (d) measure body temperature
  23. 23.What did Johannes Gutenberg give us? (a) penicillin (b) the printing press (c) the telephone (d) the electric battery
  24. 24.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) the telephone (c) the printing press (d) X-rays
  25. 25.True or false: a microscope helps us measure body temperature. (a) True (b) False
  26. 26.True or false: Louis Braille gave us the electric battery. (a) True (b) False
  27. 27.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  28. 28.What did Louis Braille give us? (a) X-rays (b) the printing press (c) penicillin (d) raised-dot writing
  29. 29.True or false: a microscope helps us find directions. (a) True (b) False
  30. 30.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) thermometer (c) microscope (d) calculator
  31. 31.True or false: a printing press helps us do sums quickly. (a) False (b) True
  32. 32.💡 Who gave us the printing press? (a) René Laennec (b) Alexander Graham Bell (c) Edward Jenner (d) Johannes Gutenberg
  33. 33.True or false: a stethoscope helps us do sums quickly. (a) True (b) False
  34. 34.💡 Who gave us the stethoscope? (a) Alessandro Volta (b) René Laennec (c) Johannes Gutenberg (d) Edward Jenner
  35. 35.🔧 Which invention helps us do sums quickly? (a) microscope (b) compass (c) calculator (d) printing press
  36. 36.What does a stethoscope help us do? (a) hear the heartbeat (b) talk to people far away (c) see tiny germs (d) print many books
  37. 37.True or false: a stethoscope helps us print many books. (a) True (b) False
  38. 38.💡 Who gave us penicillin? (a) Alexander Fleming (b) René Laennec (c) Alexander Graham Bell (d) the Wright brothers
  39. 39.💡 Who gave us the smallpox vaccine? (a) Louis Braille (b) Alessandro Volta (c) Edward Jenner (d) the Wright brothers
  40. 40.What did the Wright brothers give us? (a) the printing press (b) the first aeroplane (c) raised-dot writing (d) the telephone

Answer key

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

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