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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 380 · 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 compass help us do? (a) do sums quickly (b) see faraway stars (c) find directions (d) tell the time
  2. 2.🔧 Which invention helps us see faraway stars? (a) telescope (b) stethoscope (c) clock (d) compass
  3. 3.True or false: a microscope helps us see tiny germs. (a) True (b) False
  4. 4.💡 Who gave us the smallpox vaccine? (a) Alessandro Volta (b) Johannes Gutenberg (c) Edward Jenner (d) René Laennec
  5. 5.What did the Wright brothers give us? (a) the smallpox vaccine (b) X-rays (c) the first aeroplane (d) raised-dot writing
  6. 6.What did Alexander Graham Bell give us? (a) the telephone (b) the electric battery (c) the smallpox vaccine (d) the first aeroplane
  7. 7.True or false: a calculator helps us do sums quickly. (a) True (b) False
  8. 8.What does a clock help us do? (a) measure body temperature (b) see tiny germs (c) hear the heartbeat (d) tell the time
  9. 9.True or false: a clock helps us do sums quickly. (a) True (b) False
  10. 10.What did Johannes Gutenberg give us? (a) the first aeroplane (b) X-rays (c) the telephone (d) the printing press
  11. 11.💡 Who gave us X-rays? (a) Alessandro Volta (b) Wilhelm Röntgen (c) René Laennec (d) Louis Braille
  12. 12.🔧 Which invention helps us find directions? (a) telephone (b) printing press (c) compass (d) calculator
  13. 13.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) the electric battery (c) the smallpox vaccine (d) X-rays
  14. 14.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  15. 15.What did Edward Jenner give us? (a) penicillin (b) the electric battery (c) the smallpox vaccine (d) raised-dot writing
  16. 16.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Edward Jenner (c) Johannes Gutenberg (d) Alessandro Volta
  17. 17.True or false: a telescope helps us print many books. (a) False (b) True
  18. 18.True or false: a telephone helps us talk to people far away. (a) True (b) False
  19. 19.True or false: a telescope helps us do sums quickly. (a) True (b) False
  20. 20.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  21. 21.What does a telephone help us do? (a) tell the time (b) see faraway stars (c) see tiny germs (d) talk to people far away
  22. 22.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  23. 23.What did René Laennec give us? (a) the smallpox vaccine (b) X-rays (c) the stethoscope (d) raised-dot writing
  24. 24.True or false: Alexander Graham Bell gave us the printing press. (a) False (b) True
  25. 25.What did Alessandro Volta give us? (a) the smallpox vaccine (b) the first aeroplane (c) the electric battery (d) X-rays
  26. 26.💡 Who gave us the electric battery? (a) Johannes Gutenberg (b) Alessandro Volta (c) Alexander Fleming (d) the Wright brothers
  27. 27.What does a stethoscope help us do? (a) tell the time (b) do sums quickly (c) hear the heartbeat (d) talk to people far away
  28. 28.True or false: Edward Jenner gave us the first aeroplane. (a) False (b) True
  29. 29.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  30. 30.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Louis Braille (c) René Laennec (d) Alexander Fleming
  31. 31.True or false: Alexander Graham Bell gave us the electric battery. (a) False (b) True
  32. 32.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  33. 33.True or false: René Laennec gave us the smallpox vaccine. (a) False (b) True
  34. 34.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) the Wright brothers
  35. 35.True or false: Alessandro Volta gave us the printing press. (a) False (b) True
  36. 36.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) clock (c) stethoscope (d) compass
  37. 37.True or false: a printing press helps us see tiny germs. (a) False (b) True
  38. 38.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  39. 39.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  40. 40.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False

Answer key

  1. find directions
  2. telescope
  3. True
  4. Edward Jenner
  5. the first aeroplane
  6. the telephone
  7. True
  8. tell the time
  9. False
  10. the printing press
  11. Wilhelm Röntgen
  12. compass
  13. X-rays
  14. True
  15. the smallpox vaccine
  16. Johannes Gutenberg
  17. False
  18. True
  19. False
  20. True
  21. talk to people far away
  22. True
  23. the stethoscope
  24. False
  25. the electric battery
  26. Alessandro Volta
  27. hear the heartbeat
  28. False
  29. True
  30. Louis Braille
  31. False
  32. True
  33. False
  34. Alexander Graham Bell
  35. False
  36. stethoscope
  37. False
  38. True
  39. True
  40. True

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