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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 758 · 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: Alessandro Volta gave us the electric battery. (a) False (b) True
  2. 2.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Edward Jenner (c) Alessandro Volta (d) Alexander Graham Bell
  3. 3.True or false: a calculator helps us tell the time. (a) True (b) False
  4. 4.What does a thermometer help us do? (a) see faraway stars (b) talk to people far away (c) hear the heartbeat (d) measure body temperature
  5. 5.💡 Who gave us the smallpox vaccine? (a) Louis Braille (b) Alexander Graham Bell (c) Alessandro Volta (d) Edward Jenner
  6. 6.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Louis Braille (c) Alexander Fleming (d) Johannes Gutenberg
  7. 7.💡 Who gave us penicillin? (a) Louis Braille (b) René Laennec (c) Alexander Fleming (d) Johannes Gutenberg
  8. 8.True or false: Alessandro Volta gave us the telephone. (a) False (b) True
  9. 9.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Louis Braille (c) the Wright brothers (d) Alessandro Volta
  10. 10.🔧 Which invention helps us measure body temperature? (a) printing press (b) stethoscope (c) telephone (d) thermometer
  11. 11.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  12. 12.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  13. 13.What does a microscope help us do? (a) print many books (b) do sums quickly (c) measure body temperature (d) see tiny germs
  14. 14.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) False (b) True
  15. 15.What did Alexander Graham Bell give us? (a) X-rays (b) the telephone (c) the smallpox vaccine (d) the electric battery
  16. 16.True or false: a thermometer helps us see tiny germs. (a) False (b) True
  17. 17.What does a stethoscope help us do? (a) tell the time (b) print many books (c) talk to people far away (d) hear the heartbeat
  18. 18.What does a telephone help us do? (a) find directions (b) do sums quickly (c) talk to people far away (d) see tiny germs
  19. 19.What did Louis Braille give us? (a) penicillin (b) the printing press (c) raised-dot writing (d) X-rays
  20. 20.🔧 Which invention helps us see tiny germs? (a) clock (b) calculator (c) microscope (d) thermometer
  21. 21.🔧 Which invention helps us tell the time? (a) telephone (b) thermometer (c) clock (d) compass
  22. 22.True or false: Johannes Gutenberg gave us the stethoscope. (a) False (b) True
  23. 23.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  24. 24.True or false: a printing press helps us see tiny germs. (a) False (b) True
  25. 25.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alexander Fleming (c) Louis Braille (d) Wilhelm Röntgen
  26. 26.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) printing press (c) telescope (d) telephone
  27. 27.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) Johannes Gutenberg (c) Alexander Fleming (d) Edward Jenner
  28. 28.True or false: a compass helps us print many books. (a) False (b) True
  29. 29.What does a printing press help us do? (a) hear the heartbeat (b) tell the time (c) print many books (d) do sums quickly
  30. 30.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) True (b) False
  31. 31.True or false: Alexander Fleming gave us X-rays. (a) False (b) True
  32. 32.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  33. 33.🔧 Which invention helps us do sums quickly? (a) telephone (b) calculator (c) compass (d) telescope
  34. 34.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  35. 35.What did René Laennec give us? (a) the electric battery (b) penicillin (c) raised-dot writing (d) the stethoscope
  36. 36.True or false: a thermometer helps us print many books. (a) True (b) False
  37. 37.What did Alessandro Volta give us? (a) raised-dot writing (b) the printing press (c) the smallpox vaccine (d) the electric battery
  38. 38.True or false: a telescope helps us see faraway stars. (a) False (b) True
  39. 39.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  40. 40.🔧 Which invention helps us talk to people far away? (a) clock (b) thermometer (c) telephone (d) microscope

Answer key

  1. True
  2. Alessandro Volta
  3. False
  4. measure body temperature
  5. Edward Jenner
  6. Louis Braille
  7. Alexander Fleming
  8. False
  9. the Wright brothers
  10. thermometer
  11. True
  12. True
  13. see tiny germs
  14. False
  15. the telephone
  16. False
  17. hear the heartbeat
  18. talk to people far away
  19. raised-dot writing
  20. microscope
  21. clock
  22. False
  23. True
  24. False
  25. Alexander Graham Bell
  26. stethoscope
  27. Johannes Gutenberg
  28. False
  29. print many books
  30. False
  31. False
  32. True
  33. calculator
  34. True
  35. the stethoscope
  36. False
  37. the electric battery
  38. True
  39. True
  40. telephone

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