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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 90 · 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 find directions? (a) telephone (b) clock (c) thermometer (d) compass
  2. 2.What does a telephone help us do? (a) do sums quickly (b) talk to people far away (c) print many books (d) see faraway stars
  3. 3.What did Alexander Fleming give us? (a) the printing press (b) X-rays (c) the smallpox vaccine (d) penicillin
  4. 4.What did Wilhelm Röntgen give us? (a) the telephone (b) the first aeroplane (c) X-rays (d) the electric battery
  5. 5.True or false: a microscope helps us talk to people far away. (a) True (b) False
  6. 6.🔧 Which invention helps us see faraway stars? (a) telescope (b) thermometer (c) printing press (d) telephone
  7. 7.What does a printing press help us do? (a) tell the time (b) print many books (c) find directions (d) talk to people far away
  8. 8.What did Louis Braille give us? (a) the stethoscope (b) penicillin (c) the printing press (d) raised-dot writing
  9. 9.True or false: Edward Jenner gave us the electric battery. (a) True (b) False
  10. 10.True or false: Alexander Graham Bell gave us X-rays. (a) True (b) False
  11. 11.True or false: Alexander Fleming gave us the electric battery. (a) False (b) True
  12. 12.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  13. 13.What did Alessandro Volta give us? (a) the smallpox vaccine (b) the telephone (c) the first aeroplane (d) the electric battery
  14. 14.🔧 Which invention helps us hear the heartbeat? (a) compass (b) thermometer (c) clock (d) stethoscope
  15. 15.💡 Who gave us X-rays? (a) Edward Jenner (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Wilhelm Röntgen
  16. 16.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  17. 17.True or false: Edward Jenner gave us raised-dot writing. (a) False (b) True
  18. 18.True or false: a microscope helps us see tiny germs. (a) False (b) True
  19. 19.What does a clock help us do? (a) measure body temperature (b) talk to people far away (c) find directions (d) tell the time
  20. 20.💡 Who gave us penicillin? (a) René Laennec (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Alexander Fleming
  21. 21.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) the Wright brothers (c) Edward Jenner (d) Alexander Fleming
  22. 22.What did Alexander Graham Bell give us? (a) the stethoscope (b) the electric battery (c) raised-dot writing (d) the telephone
  23. 23.True or false: a clock helps us tell the time. (a) True (b) False
  24. 24.True or false: Alessandro Volta gave us the first aeroplane. (a) False (b) True
  25. 25.💡 Who gave us the first aeroplane? (a) René Laennec (b) Alexander Graham Bell (c) the Wright brothers (d) Alessandro Volta
  26. 26.True or false: a compass helps us find directions. (a) True (b) False
  27. 27.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  28. 28.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  29. 29.True or false: a stethoscope helps us do sums quickly. (a) True (b) False
  30. 30.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) calculator (c) printing press (d) clock
  31. 31.What did Johannes Gutenberg give us? (a) X-rays (b) the printing press (c) the electric battery (d) penicillin
  32. 32.What does a stethoscope help us do? (a) find directions (b) hear the heartbeat (c) print many books (d) measure body temperature
  33. 33.What does a compass help us do? (a) see faraway stars (b) talk to people far away (c) measure body temperature (d) find directions
  34. 34.💡 Who gave us the electric battery? (a) Edward Jenner (b) Alessandro Volta (c) Alexander Fleming (d) the Wright brothers
  35. 35.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) False (b) True
  36. 36.🔧 Which invention helps us see tiny germs? (a) telephone (b) calculator (c) microscope (d) stethoscope
  37. 37.What does a telescope help us do? (a) talk to people far away (b) see faraway stars (c) see tiny germs (d) print many books
  38. 38.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alessandro Volta (c) Johannes Gutenberg (d) Louis Braille
  39. 39.True or false: a telephone helps us do sums quickly. (a) False (b) True
  40. 40.True or false: a compass helps us do sums quickly. (a) True (b) False

Answer key

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

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