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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 75 · 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.What does a telescope help us do? (a) see faraway stars (b) talk to people far away (c) see tiny germs (d) do sums quickly
  2. 2.True or false: a compass helps us find directions. (a) True (b) False
  3. 3.What does a calculator help us do? (a) do sums quickly (b) find directions (c) see faraway stars (d) measure body temperature
  4. 4.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Louis Braille (c) Johannes Gutenberg (d) the Wright brothers
  5. 5.What did Wilhelm Röntgen give us? (a) penicillin (b) the first aeroplane (c) X-rays (d) the electric battery
  6. 6.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) the Wright brothers (c) Louis Braille (d) Alexander Graham Bell
  7. 7.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  8. 8.🔧 Which invention helps us see faraway stars? (a) calculator (b) clock (c) telescope (d) thermometer
  9. 9.What did Alexander Fleming give us? (a) the printing press (b) the first aeroplane (c) the stethoscope (d) penicillin
  10. 10.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  11. 11.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  12. 12.True or false: a calculator helps us see tiny germs. (a) False (b) True
  13. 13.💡 Who gave us penicillin? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) Alexander Fleming
  14. 14.💡 Who gave us the printing press? (a) René Laennec (b) Alexander Fleming (c) Johannes Gutenberg (d) Louis Braille
  15. 15.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) telephone (c) microscope (d) compass
  16. 16.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  17. 17.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) False (b) True
  18. 18.What did Johannes Gutenberg give us? (a) the smallpox vaccine (b) the stethoscope (c) penicillin (d) the printing press
  19. 19.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Alexander Fleming (c) René Laennec (d) Wilhelm Röntgen
  20. 20.🔧 Which invention helps us print many books? (a) telephone (b) calculator (c) stethoscope (d) printing press
  21. 21.True or false: Edward Jenner gave us the first aeroplane. (a) True (b) False
  22. 22.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Fleming (c) Alexander Graham Bell (d) Louis Braille
  23. 23.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  24. 24.True or false: a microscope helps us see tiny germs. (a) True (b) False
  25. 25.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  26. 26.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) the Wright brothers (c) Alessandro Volta (d) Wilhelm Röntgen
  27. 27.True or false: a telephone helps us talk to people far away. (a) True (b) False
  28. 28.What did René Laennec give us? (a) the stethoscope (b) the electric battery (c) penicillin (d) the printing press
  29. 29.True or false: a thermometer helps us print many books. (a) False (b) True
  30. 30.True or false: a telescope helps us measure body temperature. (a) True (b) False
  31. 31.True or false: René Laennec gave us the first aeroplane. (a) True (b) False
  32. 32.What does a stethoscope help us do? (a) measure body temperature (b) tell the time (c) do sums quickly (d) hear the heartbeat
  33. 33.True or false: Wilhelm Röntgen gave us the printing press. (a) False (b) True
  34. 34.True or false: a calculator helps us do sums quickly. (a) False (b) True
  35. 35.What did Louis Braille give us? (a) X-rays (b) raised-dot writing (c) the printing press (d) the first aeroplane
  36. 36.🔧 Which invention helps us measure body temperature? (a) printing press (b) microscope (c) thermometer (d) telescope
  37. 37.🔧 Which invention helps us do sums quickly? (a) telephone (b) telescope (c) microscope (d) calculator
  38. 38.True or false: a telescope helps us see faraway stars. (a) False (b) True
  39. 39.What did the Wright brothers give us? (a) the printing press (b) raised-dot writing (c) the telephone (d) the first aeroplane
  40. 40.True or false: Louis Braille gave us the stethoscope. (a) False (b) True

Answer key

  1. see faraway stars
  2. True
  3. do sums quickly
  4. the Wright brothers
  5. X-rays
  6. Louis Braille
  7. True
  8. telescope
  9. penicillin
  10. True
  11. True
  12. False
  13. Alexander Fleming
  14. Johannes Gutenberg
  15. stethoscope
  16. True
  17. False
  18. the printing press
  19. René Laennec
  20. printing press
  21. False
  22. Alexander Graham Bell
  23. True
  24. True
  25. True
  26. Wilhelm Röntgen
  27. True
  28. the stethoscope
  29. False
  30. False
  31. False
  32. hear the heartbeat
  33. False
  34. True
  35. raised-dot writing
  36. thermometer
  37. calculator
  38. True
  39. the first aeroplane
  40. False

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