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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 51 · 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) stethoscope (b) printing press (c) telescope (d) compass
  2. 2.🔧 Which invention helps us talk to people far away? (a) compass (b) telephone (c) microscope (d) stethoscope
  3. 3.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Edward Jenner (d) Louis Braille
  4. 4.🔧 Which invention helps us hear the heartbeat? (a) compass (b) stethoscope (c) clock (d) telephone
  5. 5.What did Louis Braille give us? (a) the first aeroplane (b) the telephone (c) raised-dot writing (d) the stethoscope
  6. 6.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  7. 7.True or false: a printing press helps us print many books. (a) True (b) False
  8. 8.True or false: a telescope helps us talk to people far away. (a) False (b) True
  9. 9.True or false: a telephone helps us talk to people far away. (a) True (b) False
  10. 10.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  11. 11.What does a thermometer help us do? (a) print many books (b) tell the time (c) measure body temperature (d) see tiny germs
  12. 12.💡 Who gave us the first aeroplane? (a) René Laennec (b) Alexander Graham Bell (c) Louis Braille (d) the Wright brothers
  13. 13.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alessandro Volta (c) the Wright brothers (d) René Laennec
  14. 14.True or false: a telescope helps us see tiny germs. (a) False (b) True
  15. 15.True or false: a stethoscope helps us see tiny germs. (a) True (b) False
  16. 16.What does a calculator help us do? (a) talk to people far away (b) see tiny germs (c) do sums quickly (d) print many books
  17. 17.What did the Wright brothers give us? (a) the printing press (b) X-rays (c) the first aeroplane (d) the electric battery
  18. 18.🔧 Which invention helps us find directions? (a) stethoscope (b) compass (c) clock (d) telescope
  19. 19.True or false: a stethoscope helps us measure body temperature. (a) True (b) False
  20. 20.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  21. 21.🔧 Which invention helps us print many books? (a) compass (b) printing press (c) telescope (d) telephone
  22. 22.True or false: Louis Braille gave us the electric battery. (a) False (b) True
  23. 23.What did Wilhelm Röntgen give us? (a) raised-dot writing (b) the first aeroplane (c) X-rays (d) the telephone
  24. 24.What did Johannes Gutenberg give us? (a) the printing press (b) penicillin (c) X-rays (d) the telephone
  25. 25.True or false: Wilhelm Röntgen gave us the electric battery. (a) True (b) False
  26. 26.What did René Laennec give us? (a) raised-dot writing (b) the stethoscope (c) the electric battery (d) X-rays
  27. 27.True or false: a compass helps us find directions. (a) False (b) True
  28. 28.True or false: a printing press helps us see tiny germs. (a) True (b) False
  29. 29.True or false: a microscope helps us see tiny germs. (a) True (b) False
  30. 30.What did Alexander Fleming give us? (a) the stethoscope (b) the first aeroplane (c) penicillin (d) the printing press
  31. 31.What does a printing press help us do? (a) measure body temperature (b) print many books (c) find directions (d) talk to people far away
  32. 32.What does a compass help us do? (a) see faraway stars (b) do sums quickly (c) find directions (d) print many books
  33. 33.💡 Who gave us the printing press? (a) Edward Jenner (b) Alexander Graham Bell (c) Alexander Fleming (d) Johannes Gutenberg
  34. 34.What did Edward Jenner give us? (a) X-rays (b) the printing press (c) penicillin (d) the smallpox vaccine
  35. 35.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Edward Jenner
  36. 36.What did Alessandro Volta give us? (a) X-rays (b) raised-dot writing (c) the telephone (d) the electric battery
  37. 37.True or false: Edward Jenner gave us penicillin. (a) True (b) False
  38. 38.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  39. 39.🔧 Which invention helps us tell the time? (a) compass (b) telephone (c) clock (d) microscope
  40. 40.True or false: Alexander Graham Bell gave us the stethoscope. (a) True (b) False

Answer key

  1. telescope
  2. telephone
  3. Louis Braille
  4. stethoscope
  5. raised-dot writing
  6. True
  7. True
  8. False
  9. True
  10. True
  11. measure body temperature
  12. the Wright brothers
  13. Alexander Graham Bell
  14. False
  15. False
  16. do sums quickly
  17. the first aeroplane
  18. compass
  19. False
  20. True
  21. printing press
  22. False
  23. X-rays
  24. the printing press
  25. False
  26. the stethoscope
  27. True
  28. False
  29. True
  30. penicillin
  31. print many books
  32. find directions
  33. Johannes Gutenberg
  34. the smallpox vaccine
  35. Edward Jenner
  36. the electric battery
  37. False
  38. True
  39. clock
  40. False

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