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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 399 · 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 see faraway stars? (a) telescope (b) stethoscope (c) clock (d) microscope
  2. 2.💡 Who gave us the stethoscope? (a) René Laennec (b) Louis Braille (c) the Wright brothers (d) Alexander Graham Bell
  3. 3.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) Alexander Fleming (c) the Wright brothers (d) Edward Jenner
  4. 4.💡 Who gave us penicillin? (a) Alexander Fleming (b) the Wright brothers (c) Wilhelm Röntgen (d) Alexander Graham Bell
  5. 5.💡 Who gave us the smallpox vaccine? (a) Alessandro Volta (b) Louis Braille (c) Edward Jenner (d) Wilhelm Röntgen
  6. 6.💡 Who gave us the telephone? (a) the Wright brothers (b) René Laennec (c) Alexander Graham Bell (d) Wilhelm Röntgen
  7. 7.What does a thermometer help us do? (a) do sums quickly (b) tell the time (c) see faraway stars (d) measure body temperature
  8. 8.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  9. 9.💡 Who gave us the electric battery? (a) the Wright brothers (b) Edward Jenner (c) Alessandro Volta (d) Johannes Gutenberg
  10. 10.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) calculator (c) compass (d) thermometer
  11. 11.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) clock (d) telescope
  12. 12.🔧 Which invention helps us find directions? (a) thermometer (b) telephone (c) calculator (d) compass
  13. 13.True or false: Alexander Fleming gave us the first aeroplane. (a) True (b) False
  14. 14.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Alexander Fleming (c) René Laennec (d) Wilhelm Röntgen
  15. 15.True or false: René Laennec gave us penicillin. (a) True (b) False
  16. 16.🔧 Which invention helps us measure body temperature? (a) telephone (b) thermometer (c) compass (d) stethoscope
  17. 17.What does a clock help us do? (a) find directions (b) see faraway stars (c) hear the heartbeat (d) tell the time
  18. 18.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
  19. 19.True or false: a microscope helps us talk to people far away. (a) True (b) False
  20. 20.True or false: a clock helps us talk to people far away. (a) False (b) True
  21. 21.What did Alexander Graham Bell give us? (a) the telephone (b) raised-dot writing (c) the stethoscope (d) the printing press
  22. 22.🔧 Which invention helps us tell the time? (a) telephone (b) clock (c) microscope (d) stethoscope
  23. 23.True or false: a telescope helps us see tiny germs. (a) True (b) False
  24. 24.What did Alexander Fleming give us? (a) the electric battery (b) the smallpox vaccine (c) the telephone (d) penicillin
  25. 25.What does a stethoscope help us do? (a) hear the heartbeat (b) do sums quickly (c) talk to people far away (d) find directions
  26. 26.True or false: a telephone helps us talk to people far away. (a) True (b) False
  27. 27.What did the Wright brothers give us? (a) the electric battery (b) the telephone (c) the printing press (d) the first aeroplane
  28. 28.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  29. 29.True or false: Wilhelm Röntgen gave us the stethoscope. (a) True (b) False
  30. 30.🔧 Which invention helps us hear the heartbeat? (a) telescope (b) printing press (c) microscope (d) stethoscope
  31. 31.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True
  32. 32.What does a telescope help us do? (a) hear the heartbeat (b) find directions (c) see faraway stars (d) print many books
  33. 33.What did Wilhelm Röntgen give us? (a) the printing press (b) penicillin (c) X-rays (d) the electric battery
  34. 34.What does a compass help us do? (a) measure body temperature (b) find directions (c) hear the heartbeat (d) see faraway stars
  35. 35.True or false: the Wright brothers gave us the electric battery. (a) True (b) False
  36. 36.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True
  37. 37.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) René Laennec (c) Louis Braille (d) Alexander Fleming
  38. 38.What does a microscope help us do? (a) talk to people far away (b) hear the heartbeat (c) see tiny germs (d) find directions
  39. 39.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  40. 40.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True

Answer key

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

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