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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 749 · 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 measure body temperature? (a) clock (b) compass (c) thermometer (d) stethoscope
  2. 2.What did Wilhelm Röntgen give us? (a) the telephone (b) raised-dot writing (c) X-rays (d) the printing press
  3. 3.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  4. 4.What does a telephone help us do? (a) hear the heartbeat (b) see faraway stars (c) print many books (d) talk to people far away
  5. 5.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  6. 6.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  7. 7.What does a telescope help us do? (a) measure body temperature (b) print many books (c) tell the time (d) see faraway stars
  8. 8.🔧 Which invention helps us find directions? (a) telephone (b) thermometer (c) compass (d) clock
  9. 9.True or false: a thermometer helps us print many books. (a) True (b) False
  10. 10.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  11. 11.What did René Laennec give us? (a) the electric battery (b) raised-dot writing (c) the stethoscope (d) the first aeroplane
  12. 12.💡 Who gave us penicillin? (a) René Laennec (b) Alexander Fleming (c) the Wright brothers (d) Edward Jenner
  13. 13.True or false: a telephone helps us hear the heartbeat. (a) False (b) True
  14. 14.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  15. 15.True or false: a compass helps us measure body temperature. (a) False (b) True
  16. 16.What did Alessandro Volta give us? (a) the stethoscope (b) X-rays (c) the printing press (d) the electric battery
  17. 17.True or false: a calculator helps us print many books. (a) False (b) True
  18. 18.💡 Who gave us the electric battery? (a) Louis Braille (b) Johannes Gutenberg (c) Alessandro Volta (d) the Wright brothers
  19. 19.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  20. 20.What does a thermometer help us do? (a) print many books (b) talk to people far away (c) see faraway stars (d) measure body temperature
  21. 21.True or false: Edward Jenner gave us the first aeroplane. (a) False (b) True
  22. 22.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  23. 23.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Edward Jenner (c) Alexander Graham Bell (d) the Wright brothers
  24. 24.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) Edward Jenner (c) Wilhelm Röntgen (d) Johannes Gutenberg
  25. 25.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True
  26. 26.What does a stethoscope help us do? (a) find directions (b) see faraway stars (c) print many books (d) hear the heartbeat
  27. 27.🔧 Which invention helps us talk to people far away? (a) printing press (b) telephone (c) telescope (d) clock
  28. 28.True or false: a clock helps us tell the time. (a) False (b) True
  29. 29.True or false: Alexander Fleming gave us the telephone. (a) False (b) True
  30. 30.What does a compass help us do? (a) talk to people far away (b) see tiny germs (c) do sums quickly (d) find directions
  31. 31.🔧 Which invention helps us do sums quickly? (a) telescope (b) telephone (c) compass (d) calculator
  32. 32.What did the Wright brothers give us? (a) penicillin (b) the first aeroplane (c) X-rays (d) the electric battery
  33. 33.What did Alexander Fleming give us? (a) X-rays (b) penicillin (c) the first aeroplane (d) the smallpox vaccine
  34. 34.True or false: René Laennec gave us X-rays. (a) True (b) False
  35. 35.What did Alexander Graham Bell give us? (a) the telephone (b) X-rays (c) the smallpox vaccine (d) the printing press
  36. 36.True or false: a compass helps us find directions. (a) True (b) False
  37. 37.What does a calculator help us do? (a) talk to people far away (b) hear the heartbeat (c) tell the time (d) do sums quickly
  38. 38.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) Johannes Gutenberg (c) the Wright brothers (d) Louis Braille
  39. 39.True or false: a telephone helps us talk to people far away. (a) False (b) True
  40. 40.True or false: the Wright brothers gave us the electric battery. (a) True (b) False

Answer key

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

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