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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 244 · 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: Wilhelm Röntgen gave us penicillin. (a) False (b) True
  2. 2.True or false: a calculator helps us see faraway stars. (a) False (b) True
  3. 3.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alexander Fleming (c) Edward Jenner (d) Alessandro Volta
  4. 4.🔧 Which invention helps us see faraway stars? (a) calculator (b) telephone (c) telescope (d) microscope
  5. 5.💡 Who gave us the electric battery? (a) René Laennec (b) Johannes Gutenberg (c) Alessandro Volta (d) Edward Jenner
  6. 6.True or false: a stethoscope helps us do sums quickly. (a) True (b) False
  7. 7.True or false: Alessandro Volta gave us the telephone. (a) False (b) True
  8. 8.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  9. 9.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  10. 10.True or false: a compass helps us tell the time. (a) False (b) True
  11. 11.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  12. 12.True or false: the Wright brothers gave us penicillin. (a) True (b) False
  13. 13.💡 Who gave us raised-dot writing? (a) Louis Braille (b) the Wright brothers (c) Alexander Graham Bell (d) Alexander Fleming
  14. 14.💡 Who gave us the printing press? (a) Alexander Fleming (b) Johannes Gutenberg (c) Alessandro Volta (d) Wilhelm Röntgen
  15. 15.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  16. 16.What does a telephone help us do? (a) print many books (b) tell the time (c) find directions (d) talk to people far away
  17. 17.True or false: a calculator helps us do sums quickly. (a) True (b) False
  18. 18.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) False (b) True
  19. 19.What does a clock help us do? (a) see tiny germs (b) hear the heartbeat (c) tell the time (d) find directions
  20. 20.What did René Laennec give us? (a) the printing press (b) the stethoscope (c) X-rays (d) penicillin
  21. 21.What did Edward Jenner give us? (a) raised-dot writing (b) the telephone (c) the stethoscope (d) the smallpox vaccine
  22. 22.💡 Who gave us X-rays? (a) René Laennec (b) Alexander Fleming (c) Johannes Gutenberg (d) Wilhelm Röntgen
  23. 23.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) stethoscope (c) compass (d) telephone
  24. 24.True or false: a stethoscope helps us see faraway stars. (a) True (b) False
  25. 25.What did Johannes Gutenberg give us? (a) the telephone (b) X-rays (c) the printing press (d) raised-dot writing
  26. 26.🔧 Which invention helps us do sums quickly? (a) calculator (b) telescope (c) clock (d) thermometer
  27. 27.True or false: the Wright brothers gave us the stethoscope. (a) False (b) True
  28. 28.What does a compass help us do? (a) find directions (b) see faraway stars (c) hear the heartbeat (d) measure body temperature
  29. 29.True or false: a telephone helps us tell the time. (a) True (b) False
  30. 30.🔧 Which invention helps us print many books? (a) telephone (b) printing press (c) calculator (d) telescope
  31. 31.True or false: a telephone helps us talk to people far away. (a) True (b) False
  32. 32.What did Alessandro Volta give us? (a) penicillin (b) the first aeroplane (c) the smallpox vaccine (d) the electric battery
  33. 33.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the stethoscope (c) the printing press (d) the telephone
  34. 34.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) compass (c) telephone (d) thermometer
  35. 35.True or false: Alexander Graham Bell gave us the printing press. (a) False (b) True
  36. 36.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  37. 37.True or false: a compass helps us see faraway stars. (a) False (b) True
  38. 38.True or false: a compass helps us find directions. (a) True (b) False
  39. 39.What does a thermometer help us do? (a) talk to people far away (b) find directions (c) see tiny germs (d) measure body temperature
  40. 40.True or false: a microscope helps us print many books. (a) False (b) True

Answer key

  1. False
  2. False
  3. the Wright brothers
  4. telescope
  5. Alessandro Volta
  6. False
  7. False
  8. True
  9. True
  10. False
  11. True
  12. False
  13. Louis Braille
  14. Johannes Gutenberg
  15. True
  16. talk to people far away
  17. True
  18. False
  19. tell the time
  20. the stethoscope
  21. the smallpox vaccine
  22. Wilhelm Röntgen
  23. stethoscope
  24. False
  25. the printing press
  26. calculator
  27. False
  28. find directions
  29. False
  30. printing press
  31. True
  32. the electric battery
  33. the telephone
  34. telephone
  35. False
  36. True
  37. False
  38. True
  39. measure body temperature
  40. False

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