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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 245 · 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: Louis Braille gave us the electric battery. (a) False (b) True
  2. 2.What did Edward Jenner give us? (a) X-rays (b) the smallpox vaccine (c) raised-dot writing (d) the telephone
  3. 3.What does a compass help us do? (a) see faraway stars (b) see tiny germs (c) print many books (d) find directions
  4. 4.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) the Wright brothers (c) Wilhelm Röntgen (d) Edward Jenner
  5. 5.What does a calculator help us do? (a) see faraway stars (b) print many books (c) measure body temperature (d) do sums quickly
  6. 6.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  7. 7.🔧 Which invention helps us see faraway stars? (a) calculator (b) compass (c) stethoscope (d) telescope
  8. 8.True or false: Wilhelm Röntgen gave us the telephone. (a) True (b) False
  9. 9.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Louis Braille (c) Edward Jenner (d) Alessandro Volta
  10. 10.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Alexander Fleming (d) Edward Jenner
  11. 11.🔧 Which invention helps us see tiny germs? (a) microscope (b) stethoscope (c) telephone (d) calculator
  12. 12.🔧 Which invention helps us measure body temperature? (a) compass (b) telescope (c) microscope (d) thermometer
  13. 13.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  14. 14.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) compass (c) telephone (d) telescope
  15. 15.True or false: a clock helps us do sums quickly. (a) True (b) False
  16. 16.What did René Laennec give us? (a) the smallpox vaccine (b) the electric battery (c) raised-dot writing (d) the stethoscope
  17. 17.What did Alexander Graham Bell give us? (a) the stethoscope (b) raised-dot writing (c) the smallpox vaccine (d) the telephone
  18. 18.What did Wilhelm Röntgen give us? (a) penicillin (b) the first aeroplane (c) the printing press (d) X-rays
  19. 19.True or false: a telephone helps us talk to people far away. (a) True (b) False
  20. 20.What does a clock help us do? (a) do sums quickly (b) print many books (c) hear the heartbeat (d) tell the time
  21. 21.What does a stethoscope help us do? (a) print many books (b) hear the heartbeat (c) see tiny germs (d) tell the time
  22. 22.True or false: a telescope helps us find directions. (a) False (b) True
  23. 23.What did the Wright brothers give us? (a) the first aeroplane (b) penicillin (c) the electric battery (d) the stethoscope
  24. 24.True or false: a clock helps us see tiny germs. (a) True (b) False
  25. 25.True or false: the Wright brothers gave us raised-dot writing. (a) True (b) False
  26. 26.What did Johannes Gutenberg give us? (a) the stethoscope (b) X-rays (c) the printing press (d) the first aeroplane
  27. 27.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  28. 28.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) printing press (c) microscope (d) telescope
  29. 29.True or false: a compass helps us measure body temperature. (a) False (b) True
  30. 30.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) René Laennec (c) Johannes Gutenberg (d) Edward Jenner
  31. 31.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) the Wright brothers (d) Louis Braille
  32. 32.What does a printing press help us do? (a) measure body temperature (b) print many books (c) do sums quickly (d) talk to people far away
  33. 33.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) False (b) True
  34. 34.🔧 Which invention helps us find directions? (a) printing press (b) telescope (c) compass (d) stethoscope
  35. 35.What does a telephone help us do? (a) tell the time (b) find directions (c) talk to people far away (d) see tiny germs
  36. 36.True or false: Wilhelm Röntgen gave us penicillin. (a) True (b) False
  37. 37.🔧 Which invention helps us do sums quickly? (a) thermometer (b) compass (c) calculator (d) printing press
  38. 38.True or false: a calculator helps us see faraway stars. (a) True (b) False
  39. 39.True or false: a printing press helps us tell the time. (a) False (b) True
  40. 40.True or false: Alexander Fleming gave us the first aeroplane. (a) True (b) False

Answer key

  1. False
  2. the smallpox vaccine
  3. find directions
  4. Wilhelm Röntgen
  5. do sums quickly
  6. True
  7. telescope
  8. False
  9. Louis Braille
  10. Johannes Gutenberg
  11. microscope
  12. thermometer
  13. True
  14. telephone
  15. False
  16. the stethoscope
  17. the telephone
  18. X-rays
  19. True
  20. tell the time
  21. hear the heartbeat
  22. False
  23. the first aeroplane
  24. False
  25. False
  26. the printing press
  27. True
  28. stethoscope
  29. False
  30. the Wright brothers
  31. Alexander Graham Bell
  32. print many books
  33. False
  34. compass
  35. talk to people far away
  36. False
  37. calculator
  38. False
  39. False
  40. False

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