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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 481 · 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: Alexander Graham Bell gave us the telephone. (a) False (b) True
  2. 2.What did Alexander Fleming give us? (a) penicillin (b) the printing press (c) the first aeroplane (d) X-rays
  3. 3.What does a telephone help us do? (a) print many books (b) talk to people far away (c) tell the time (d) find directions
  4. 4.What does a stethoscope help us do? (a) hear the heartbeat (b) print many books (c) tell the time (d) measure body temperature
  5. 5.What did Alessandro Volta give us? (a) the electric battery (b) the printing press (c) X-rays (d) the first aeroplane
  6. 6.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alexander Fleming (c) the Wright brothers (d) Johannes Gutenberg
  7. 7.What did Alexander Graham Bell give us? (a) the first aeroplane (b) penicillin (c) the telephone (d) the electric battery
  8. 8.True or false: a compass helps us find directions. (a) False (b) True
  9. 9.💡 Who gave us the smallpox vaccine? (a) René Laennec (b) Louis Braille (c) Edward Jenner (d) the Wright brothers
  10. 10.What does a compass help us do? (a) see faraway stars (b) see tiny germs (c) talk to people far away (d) find directions
  11. 11.True or false: Johannes Gutenberg gave us the first aeroplane. (a) False (b) True
  12. 12.💡 Who gave us X-rays? (a) Alexander Fleming (b) René Laennec (c) Wilhelm Röntgen (d) Edward Jenner
  13. 13.True or false: Alexander Fleming gave us the first aeroplane. (a) False (b) True
  14. 14.🔧 Which invention helps us talk to people far away? (a) telephone (b) compass (c) telescope (d) calculator
  15. 15.True or false: a telephone helps us talk to people far away. (a) True (b) False
  16. 16.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) Alexander Fleming (c) the Wright brothers (d) René Laennec
  17. 17.True or false: a microscope helps us see tiny germs. (a) False (b) True
  18. 18.True or false: Alexander Graham Bell gave us X-rays. (a) True (b) False
  19. 19.What does a printing press help us do? (a) print many books (b) find directions (c) hear the heartbeat (d) measure body temperature
  20. 20.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  21. 21.What did Louis Braille give us? (a) raised-dot writing (b) the smallpox vaccine (c) the electric battery (d) penicillin
  22. 22.💡 Who gave us the electric battery? (a) René Laennec (b) Alessandro Volta (c) Edward Jenner (d) Wilhelm Röntgen
  23. 23.True or false: René Laennec gave us the printing press. (a) True (b) False
  24. 24.True or false: a stethoscope helps us do sums quickly. (a) False (b) True
  25. 25.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  26. 26.True or false: a stethoscope helps us find directions. (a) False (b) True
  27. 27.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  28. 28.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Johannes Gutenberg (c) Louis Braille (d) the Wright brothers
  29. 29.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alexander Graham Bell (c) the Wright brothers (d) Johannes Gutenberg
  30. 30.True or false: Alexander Fleming gave us the smallpox vaccine. (a) True (b) False
  31. 31.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) calculator (c) telephone (d) microscope
  32. 32.True or false: a thermometer helps us hear the heartbeat. (a) True (b) False
  33. 33.True or false: a telescope helps us tell the time. (a) False (b) True
  34. 34.🔧 Which invention helps us find directions? (a) thermometer (b) telephone (c) calculator (d) compass
  35. 35.What did Johannes Gutenberg give us? (a) the telephone (b) the first aeroplane (c) the printing press (d) raised-dot writing
  36. 36.True or false: a thermometer helps us print many books. (a) True (b) False
  37. 37.🔧 Which invention helps us see faraway stars? (a) calculator (b) telescope (c) clock (d) telephone
  38. 38.True or false: Wilhelm Röntgen gave us the printing press. (a) True (b) False
  39. 39.True or false: a clock helps us do sums quickly. (a) False (b) True
  40. 40.True or false: Alexander Graham Bell gave us penicillin. (a) False (b) True

Answer key

  1. True
  2. penicillin
  3. talk to people far away
  4. hear the heartbeat
  5. the electric battery
  6. Alexander Graham Bell
  7. the telephone
  8. True
  9. Edward Jenner
  10. find directions
  11. False
  12. Wilhelm Röntgen
  13. False
  14. telephone
  15. True
  16. Alexander Fleming
  17. True
  18. False
  19. print many books
  20. True
  21. raised-dot writing
  22. Alessandro Volta
  23. False
  24. False
  25. True
  26. False
  27. True
  28. the Wright brothers
  29. Louis Braille
  30. False
  31. stethoscope
  32. False
  33. False
  34. compass
  35. the printing press
  36. False
  37. telescope
  38. False
  39. False
  40. False

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