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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 596 · 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 raised-dot writing. (a) False (b) True
  2. 2.True or false: a microscope helps us see tiny germs. (a) False (b) True
  3. 3.What did the Wright brothers give us? (a) X-rays (b) the telephone (c) the printing press (d) the first aeroplane
  4. 4.True or false: a printing press helps us see faraway stars. (a) True (b) False
  5. 5.True or false: a microscope helps us measure body temperature. (a) False (b) True
  6. 6.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  7. 7.True or false: a printing press helps us tell the time. (a) False (b) True
  8. 8.True or false: a telephone helps us do sums quickly. (a) True (b) False
  9. 9.💡 Who gave us X-rays? (a) the Wright brothers (b) Edward Jenner (c) Wilhelm Röntgen (d) Alexander Graham Bell
  10. 10.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  11. 11.What did Johannes Gutenberg give us? (a) the smallpox vaccine (b) penicillin (c) the first aeroplane (d) the printing press
  12. 12.What does a telephone help us do? (a) see faraway stars (b) hear the heartbeat (c) talk to people far away (d) find directions
  13. 13.True or false: the Wright brothers gave us penicillin. (a) False (b) True
  14. 14.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  15. 15.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) René Laennec (c) the Wright brothers (d) Wilhelm Röntgen
  16. 16.True or false: Edward Jenner gave us the first aeroplane. (a) True (b) False
  17. 17.True or false: a microscope helps us talk to people far away. (a) True (b) False
  18. 18.What does a telescope help us do? (a) do sums quickly (b) print many books (c) see faraway stars (d) see tiny germs
  19. 19.🔧 Which invention helps us find directions? (a) thermometer (b) calculator (c) telescope (d) compass
  20. 20.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Edward Jenner (c) Alexander Graham Bell (d) Louis Braille
  21. 21.True or false: Louis Braille gave us the electric battery. (a) True (b) False
  22. 22.💡 Who gave us penicillin? (a) Alexander Fleming (b) Edward Jenner (c) the Wright brothers (d) René Laennec
  23. 23.True or false: a telephone helps us talk to people far away. (a) True (b) False
  24. 24.True or false: Louis Braille gave us the first aeroplane. (a) False (b) True
  25. 25.🔧 Which invention helps us measure body temperature? (a) microscope (b) telephone (c) stethoscope (d) thermometer
  26. 26.What did Louis Braille give us? (a) the stethoscope (b) raised-dot writing (c) the first aeroplane (d) penicillin
  27. 27.What does a clock help us do? (a) tell the time (b) see tiny germs (c) find directions (d) talk to people far away
  28. 28.🔧 Which invention helps us do sums quickly? (a) telephone (b) microscope (c) stethoscope (d) calculator
  29. 29.True or false: a telephone helps us print many books. (a) True (b) False
  30. 30.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Alexander Fleming (c) Alexander Graham Bell (d) Louis Braille
  31. 31.What does a stethoscope help us do? (a) hear the heartbeat (b) tell the time (c) find directions (d) measure body temperature
  32. 32.What did Alexander Fleming give us? (a) the stethoscope (b) the first aeroplane (c) penicillin (d) X-rays
  33. 33.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  34. 34.True or false: Wilhelm Röntgen gave us the stethoscope. (a) False (b) True
  35. 35.What did Alessandro Volta give us? (a) the electric battery (b) the printing press (c) the stethoscope (d) the telephone
  36. 36.What does a microscope help us do? (a) see tiny germs (b) talk to people far away (c) print many books (d) measure body temperature
  37. 37.True or false: Johannes Gutenberg gave us raised-dot writing. (a) True (b) False
  38. 38.What does a calculator help us do? (a) do sums quickly (b) talk to people far away (c) find directions (d) see tiny germs
  39. 39.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  40. 40.True or false: a clock helps us print many books. (a) True (b) False

Answer key

  1. True
  2. True
  3. the first aeroplane
  4. False
  5. False
  6. True
  7. False
  8. False
  9. Wilhelm Röntgen
  10. True
  11. the printing press
  12. talk to people far away
  13. False
  14. True
  15. René Laennec
  16. False
  17. False
  18. see faraway stars
  19. compass
  20. Alexander Graham Bell
  21. False
  22. Alexander Fleming
  23. True
  24. False
  25. thermometer
  26. raised-dot writing
  27. tell the time
  28. calculator
  29. False
  30. Alessandro Volta
  31. hear the heartbeat
  32. penicillin
  33. True
  34. False
  35. the electric battery
  36. see tiny germs
  37. False
  38. do sums quickly
  39. True
  40. False

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