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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 462 · 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: René Laennec gave us the telephone. (a) True (b) False
  2. 2.True or false: a clock helps us do sums quickly. (a) False (b) True
  3. 3.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) Alexander Fleming (c) Alexander Graham Bell (d) Louis Braille
  4. 4.What does a thermometer help us do? (a) hear the heartbeat (b) see tiny germs (c) measure body temperature (d) talk to people far away
  5. 5.True or false: a compass helps us find directions. (a) False (b) True
  6. 6.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Alexander Fleming (c) Edward Jenner (d) Johannes Gutenberg
  7. 7.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Wilhelm Röntgen (c) the Wright brothers (d) Louis Braille
  8. 8.What did Alexander Graham Bell give us? (a) the electric battery (b) the stethoscope (c) the telephone (d) penicillin
  9. 9.True or false: a clock helps us find directions. (a) True (b) False
  10. 10.What did Edward Jenner give us? (a) the printing press (b) the smallpox vaccine (c) the electric battery (d) the first aeroplane
  11. 11.True or false: a telephone helps us talk to people far away. (a) False (b) True
  12. 12.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Alessandro Volta (c) the Wright brothers (d) Edward Jenner
  13. 13.🔧 Which invention helps us find directions? (a) stethoscope (b) compass (c) microscope (d) clock
  14. 14.🔧 Which invention helps us do sums quickly? (a) telescope (b) stethoscope (c) calculator (d) printing press
  15. 15.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Wilhelm Röntgen (c) Louis Braille (d) Alexander Graham Bell
  16. 16.True or false: a stethoscope helps us tell the time. (a) True (b) False
  17. 17.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  18. 18.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) Johannes Gutenberg (c) René Laennec (d) the Wright brothers
  19. 19.What did Alexander Fleming give us? (a) the first aeroplane (b) penicillin (c) the telephone (d) the stethoscope
  20. 20.What did Johannes Gutenberg give us? (a) the stethoscope (b) the printing press (c) penicillin (d) the smallpox vaccine
  21. 21.🔧 Which invention helps us tell the time? (a) clock (b) telephone (c) printing press (d) calculator
  22. 22.🔧 Which invention helps us see tiny germs? (a) clock (b) printing press (c) microscope (d) stethoscope
  23. 23.🔧 Which invention helps us measure body temperature? (a) calculator (b) clock (c) thermometer (d) microscope
  24. 24.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  25. 25.True or false: Alessandro Volta gave us the smallpox vaccine. (a) True (b) False
  26. 26.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the telephone (c) X-rays (d) the first aeroplane
  27. 27.What did the Wright brothers give us? (a) penicillin (b) the telephone (c) the first aeroplane (d) the printing press
  28. 28.What does a telescope help us do? (a) see faraway stars (b) see tiny germs (c) measure body temperature (d) talk to people far away
  29. 29.True or false: a compass helps us hear the heartbeat. (a) True (b) False
  30. 30.💡 Who gave us the telephone? (a) Edward Jenner (b) Louis Braille (c) Alexander Graham Bell (d) the Wright brothers
  31. 31.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  32. 32.True or false: Alessandro Volta gave us the printing press. (a) False (b) True
  33. 33.What does a compass help us do? (a) see tiny germs (b) see faraway stars (c) find directions (d) hear the heartbeat
  34. 34.What does a stethoscope help us do? (a) hear the heartbeat (b) print many books (c) do sums quickly (d) see faraway stars
  35. 35.What does a telephone help us do? (a) hear the heartbeat (b) find directions (c) talk to people far away (d) measure body temperature
  36. 36.What did Louis Braille give us? (a) the stethoscope (b) X-rays (c) the first aeroplane (d) raised-dot writing
  37. 37.What does a microscope help us do? (a) see tiny germs (b) do sums quickly (c) measure body temperature (d) hear the heartbeat
  38. 38.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) calculator (c) telephone (d) printing press
  39. 39.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) the Wright brothers (c) Louis Braille (d) René Laennec
  40. 40.True or false: René Laennec gave us the stethoscope. (a) False (b) True

Answer key

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

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