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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 241 · 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: a telephone helps us tell the time. (a) True (b) False
  2. 2.💡 Who gave us the electric battery? (a) Johannes Gutenberg (b) Louis Braille (c) Alexander Graham Bell (d) Alessandro Volta
  3. 3.🔧 Which invention helps us tell the time? (a) microscope (b) clock (c) telescope (d) compass
  4. 4.True or false: a telescope helps us talk to people far away. (a) False (b) True
  5. 5.What does a calculator help us do? (a) talk to people far away (b) see faraway stars (c) hear the heartbeat (d) do sums quickly
  6. 6.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Alexander Fleming (c) Alessandro Volta (d) the Wright brothers
  7. 7.True or false: a compass helps us find directions. (a) True (b) False
  8. 8.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  9. 9.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) René Laennec (c) Johannes Gutenberg (d) Alexander Graham Bell
  10. 10.What did Wilhelm Röntgen give us? (a) the electric battery (b) the printing press (c) X-rays (d) raised-dot writing
  11. 11.True or false: Johannes Gutenberg gave us the first aeroplane. (a) False (b) True
  12. 12.True or false: a stethoscope helps us measure body temperature. (a) True (b) False
  13. 13.What did Alexander Fleming give us? (a) X-rays (b) penicillin (c) the first aeroplane (d) the telephone
  14. 14.🔧 Which invention helps us talk to people far away? (a) thermometer (b) compass (c) telephone (d) telescope
  15. 15.💡 Who gave us the stethoscope? (a) René Laennec (b) Alexander Fleming (c) Edward Jenner (d) the Wright brothers
  16. 16.True or false: a telescope helps us find directions. (a) False (b) True
  17. 17.True or false: a clock helps us do sums quickly. (a) True (b) False
  18. 18.🔧 Which invention helps us print many books? (a) calculator (b) stethoscope (c) printing press (d) thermometer
  19. 19.True or false: Alexander Fleming gave us the telephone. (a) False (b) True
  20. 20.🔧 Which invention helps us hear the heartbeat? (a) compass (b) telephone (c) printing press (d) stethoscope
  21. 21.What does a compass help us do? (a) talk to people far away (b) print many books (c) find directions (d) do sums quickly
  22. 22.True or false: a telescope helps us see faraway stars. (a) True (b) False
  23. 23.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Alessandro Volta (c) Louis Braille (d) Edward Jenner
  24. 24.True or false: a compass helps us do sums quickly. (a) True (b) False
  25. 25.What does a clock help us do? (a) talk to people far away (b) find directions (c) tell the time (d) see faraway stars
  26. 26.🔧 Which invention helps us see faraway stars? (a) compass (b) telescope (c) microscope (d) calculator
  27. 27.True or false: René Laennec gave us penicillin. (a) False (b) True
  28. 28.True or false: Alexander Graham Bell gave us X-rays. (a) True (b) False
  29. 29.What did the Wright brothers give us? (a) the first aeroplane (b) the printing press (c) the telephone (d) the smallpox vaccine
  30. 30.What did Edward Jenner give us? (a) the smallpox vaccine (b) X-rays (c) the telephone (d) raised-dot writing
  31. 31.What does a thermometer help us do? (a) do sums quickly (b) measure body temperature (c) see faraway stars (d) see tiny germs
  32. 32.True or false: Wilhelm Röntgen gave us the telephone. (a) True (b) False
  33. 33.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  34. 34.What does a telephone help us do? (a) talk to people far away (b) find directions (c) do sums quickly (d) print many books
  35. 35.🔧 Which invention helps us find directions? (a) printing press (b) telephone (c) compass (d) stethoscope
  36. 36.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Wilhelm Röntgen (c) Edward Jenner (d) Alexander Fleming
  37. 37.True or false: a stethoscope helps us find directions. (a) True (b) False
  38. 38.What did Johannes Gutenberg give us? (a) the stethoscope (b) raised-dot writing (c) the printing press (d) the smallpox vaccine
  39. 39.True or false: a microscope helps us see tiny germs. (a) True (b) False
  40. 40.What does a telescope help us do? (a) see faraway stars (b) see tiny germs (c) find directions (d) do sums quickly

Answer key

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

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