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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 65 · 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: a thermometer helps us see tiny germs. (a) False (b) True
  2. 2.True or false: Alessandro Volta gave us the telephone. (a) False (b) True
  3. 3.What did Alessandro Volta give us? (a) the printing press (b) the electric battery (c) the smallpox vaccine (d) the first aeroplane
  4. 4.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  5. 5.🔧 Which invention helps us print many books? (a) thermometer (b) telephone (c) printing press (d) clock
  6. 6.What did Johannes Gutenberg give us? (a) raised-dot writing (b) penicillin (c) the first aeroplane (d) the printing press
  7. 7.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) Louis Braille (c) René Laennec (d) Alexander Fleming
  8. 8.What did the Wright brothers give us? (a) the stethoscope (b) the printing press (c) the first aeroplane (d) the electric battery
  9. 9.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  10. 10.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  11. 11.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) microscope (d) telescope
  12. 12.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Wilhelm Röntgen (c) Louis Braille (d) René Laennec
  13. 13.True or false: a telephone helps us tell the time. (a) False (b) True
  14. 14.True or false: a clock helps us tell the time. (a) False (b) True
  15. 15.💡 Who gave us the printing press? (a) Edward Jenner (b) Johannes Gutenberg (c) Alessandro Volta (d) Alexander Fleming
  16. 16.🔧 Which invention helps us do sums quickly? (a) telescope (b) microscope (c) telephone (d) calculator
  17. 17.What does a clock help us do? (a) tell the time (b) talk to people far away (c) find directions (d) see tiny germs
  18. 18.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Alessandro Volta (c) Johannes Gutenberg (d) the Wright brothers
  19. 19.💡 Who gave us the telephone? (a) René Laennec (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Louis Braille
  20. 20.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  21. 21.True or false: Johannes Gutenberg gave us the smallpox vaccine. (a) True (b) False
  22. 22.True or false: the Wright brothers gave us the stethoscope. (a) True (b) False
  23. 23.What did Alexander Graham Bell give us? (a) the telephone (b) X-rays (c) the smallpox vaccine (d) the electric battery
  24. 24.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) False (b) True
  25. 25.True or false: Alexander Graham Bell gave us the printing press. (a) False (b) True
  26. 26.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) René Laennec (c) Edward Jenner (d) Louis Braille
  27. 27.What does a telephone help us do? (a) measure body temperature (b) find directions (c) tell the time (d) talk to people far away
  28. 28.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  29. 29.What did Louis Braille give us? (a) penicillin (b) raised-dot writing (c) X-rays (d) the telephone
  30. 30.💡 Who gave us the stethoscope? (a) René Laennec (b) Edward Jenner (c) Alexander Graham Bell (d) Wilhelm Röntgen
  31. 31.🔧 Which invention helps us measure body temperature? (a) printing press (b) stethoscope (c) thermometer (d) telescope
  32. 32.What does a telescope help us do? (a) print many books (b) see faraway stars (c) tell the time (d) measure body temperature
  33. 33.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  34. 34.What did René Laennec give us? (a) the smallpox vaccine (b) raised-dot writing (c) X-rays (d) the stethoscope
  35. 35.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) telephone (c) stethoscope (d) printing press
  36. 36.What does a calculator help us do? (a) do sums quickly (b) print many books (c) see tiny germs (d) talk to people far away
  37. 37.True or false: René Laennec gave us raised-dot writing. (a) True (b) False
  38. 38.What did Alexander Fleming give us? (a) the smallpox vaccine (b) penicillin (c) the telephone (d) the first aeroplane
  39. 39.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Louis Braille (d) Edward Jenner
  40. 40.🔧 Which invention helps us see faraway stars? (a) calculator (b) telephone (c) stethoscope (d) telescope

Answer key

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

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