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Class 4 GK Worksheet: Inventions and Inventors

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

Answer key

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

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