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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 432 · 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 X-rays. (a) True (b) False
  2. 2.True or false: a printing press helps us talk to people far away. (a) False (b) True
  3. 3.💡 Who gave us the telephone? (a) Wilhelm Röntgen (b) Edward Jenner (c) Alexander Graham Bell (d) Alexander Fleming
  4. 4.What does a telephone help us do? (a) measure body temperature (b) find directions (c) talk to people far away (d) tell the time
  5. 5.True or false: a calculator helps us do sums quickly. (a) False (b) True
  6. 6.True or false: a printing press helps us print many books. (a) False (b) True
  7. 7.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  8. 8.What did Johannes Gutenberg give us? (a) the printing press (b) raised-dot writing (c) the first aeroplane (d) penicillin
  9. 9.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  10. 10.What did René Laennec give us? (a) the stethoscope (b) the electric battery (c) the first aeroplane (d) the printing press
  11. 11.What did Alexander Fleming give us? (a) penicillin (b) the first aeroplane (c) X-rays (d) raised-dot writing
  12. 12.What does a printing press help us do? (a) hear the heartbeat (b) measure body temperature (c) print many books (d) tell the time
  13. 13.True or false: a telescope helps us see faraway stars. (a) True (b) False
  14. 14.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  15. 15.What did Louis Braille give us? (a) the electric battery (b) X-rays (c) the first aeroplane (d) raised-dot writing
  16. 16.💡 Who gave us penicillin? (a) Alessandro Volta (b) Johannes Gutenberg (c) the Wright brothers (d) Alexander Fleming
  17. 17.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  18. 18.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) False (b) True
  19. 19.What does a thermometer help us do? (a) measure body temperature (b) do sums quickly (c) tell the time (d) talk to people far away
  20. 20.🔧 Which invention helps us see tiny germs? (a) telephone (b) microscope (c) stethoscope (d) calculator
  21. 21.True or false: a compass helps us see faraway stars. (a) True (b) False
  22. 22.True or false: Alexander Fleming gave us the printing press. (a) False (b) True
  23. 23.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) Louis Braille (c) Edward Jenner (d) the Wright brothers
  24. 24.True or false: a compass helps us tell the time. (a) True (b) False
  25. 25.True or false: René Laennec gave us the telephone. (a) True (b) False
  26. 26.True or false: a microscope helps us see tiny germs. (a) False (b) True
  27. 27.What did the Wright brothers give us? (a) the printing press (b) penicillin (c) X-rays (d) the first aeroplane
  28. 28.True or false: a printing press helps us see faraway stars. (a) True (b) False
  29. 29.True or false: a compass helps us see tiny germs. (a) True (b) False
  30. 30.True or false: the Wright brothers gave us the telephone. (a) False (b) True
  31. 31.💡 Who gave us the printing press? (a) the Wright brothers (b) Alessandro Volta (c) Johannes Gutenberg (d) Wilhelm Röntgen
  32. 32.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) René Laennec (c) the Wright brothers (d) Louis Braille
  33. 33.💡 Who gave us X-rays? (a) René Laennec (b) Johannes Gutenberg (c) the Wright brothers (d) Wilhelm Röntgen
  34. 34.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True
  35. 35.🔧 Which invention helps us see faraway stars? (a) microscope (b) printing press (c) telescope (d) telephone
  36. 36.What does a calculator help us do? (a) see faraway stars (b) print many books (c) tell the time (d) do sums quickly
  37. 37.What does a clock help us do? (a) do sums quickly (b) tell the time (c) measure body temperature (d) talk to people far away
  38. 38.What did Wilhelm Röntgen give us? (a) the telephone (b) the stethoscope (c) penicillin (d) X-rays
  39. 39.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False
  40. 40.What does a microscope help us do? (a) measure body temperature (b) find directions (c) see tiny germs (d) see faraway stars

Answer key

  1. False
  2. False
  3. Alexander Graham Bell
  4. talk to people far away
  5. True
  6. True
  7. True
  8. the printing press
  9. True
  10. the stethoscope
  11. penicillin
  12. print many books
  13. True
  14. True
  15. raised-dot writing
  16. Alexander Fleming
  17. True
  18. False
  19. measure body temperature
  20. microscope
  21. False
  22. False
  23. Edward Jenner
  24. False
  25. False
  26. True
  27. the first aeroplane
  28. False
  29. False
  30. False
  31. Johannes Gutenberg
  32. René Laennec
  33. Wilhelm Röntgen
  34. False
  35. telescope
  36. do sums quickly
  37. tell the time
  38. X-rays
  39. False
  40. see tiny germs

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