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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 623 · 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) telescope (b) compass (c) telephone (d) thermometer
  2. 2.What does a microscope help us do? (a) find directions (b) see faraway stars (c) hear the heartbeat (d) see tiny germs
  3. 3.What did Wilhelm Röntgen give us? (a) the telephone (b) X-rays (c) the electric battery (d) the stethoscope
  4. 4.💡 Who gave us X-rays? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) the Wright brothers
  5. 5.What did Alexander Fleming give us? (a) the electric battery (b) penicillin (c) the telephone (d) the printing press
  6. 6.💡 Who gave us penicillin? (a) Edward Jenner (b) Alexander Fleming (c) Johannes Gutenberg (d) the Wright brothers
  7. 7.True or false: a microscope helps us see faraway stars. (a) True (b) False
  8. 8.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) René Laennec (c) Johannes Gutenberg (d) the Wright brothers
  9. 9.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the electric battery (c) the telephone (d) X-rays
  10. 10.True or false: René Laennec gave us the smallpox vaccine. (a) True (b) False
  11. 11.🔧 Which invention helps us do sums quickly? (a) compass (b) thermometer (c) telescope (d) calculator
  12. 12.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  13. 13.True or false: a telephone helps us see faraway stars. (a) False (b) True
  14. 14.💡 Who gave us the printing press? (a) Louis Braille (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) Alexander Graham Bell
  15. 15.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  16. 16.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) the Wright brothers (c) Louis Braille (d) Johannes Gutenberg
  17. 17.What did René Laennec give us? (a) the electric battery (b) the telephone (c) the stethoscope (d) X-rays
  18. 18.True or false: Louis Braille gave us the smallpox vaccine. (a) False (b) True
  19. 19.True or false: Louis Braille gave us X-rays. (a) True (b) False
  20. 20.What does a compass help us do? (a) see faraway stars (b) measure body temperature (c) find directions (d) hear the heartbeat
  21. 21.🔧 Which invention helps us print many books? (a) telephone (b) clock (c) compass (d) printing press
  22. 22.True or false: a clock helps us tell the time. (a) True (b) False
  23. 23.What does a telescope help us do? (a) talk to people far away (b) measure body temperature (c) see faraway stars (d) find directions
  24. 24.True or false: a telescope helps us see faraway stars. (a) False (b) True
  25. 25.🔧 Which invention helps us talk to people far away? (a) clock (b) calculator (c) stethoscope (d) telephone
  26. 26.🔧 Which invention helps us see tiny germs? (a) printing press (b) compass (c) microscope (d) telescope
  27. 27.True or false: a calculator helps us do sums quickly. (a) False (b) True
  28. 28.True or false: René Laennec gave us the electric battery. (a) True (b) False
  29. 29.What did Edward Jenner give us? (a) the stethoscope (b) the smallpox vaccine (c) the telephone (d) raised-dot writing
  30. 30.What does a printing press help us do? (a) talk to people far away (b) see faraway stars (c) see tiny germs (d) print many books
  31. 31.What does a telephone help us do? (a) see faraway stars (b) do sums quickly (c) print many books (d) talk to people far away
  32. 32.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  33. 33.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  34. 34.True or false: a compass helps us see faraway stars. (a) True (b) False
  35. 35.True or false: the Wright brothers gave us the telephone. (a) True (b) False
  36. 36.What does a clock help us do? (a) measure body temperature (b) talk to people far away (c) print many books (d) tell the time
  37. 37.What did Louis Braille give us? (a) the stethoscope (b) X-rays (c) raised-dot writing (d) the first aeroplane
  38. 38.True or false: Alexander Graham Bell gave us the electric battery. (a) False (b) True
  39. 39.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  40. 40.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False

Answer key

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

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