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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 721 · 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 calculator help us do? (a) do sums quickly (b) talk to people far away (c) measure body temperature (d) see tiny germs
  2. 2.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) microscope (c) clock (d) telephone
  3. 3.💡 Who gave us the stethoscope? (a) the Wright brothers (b) René Laennec (c) Edward Jenner (d) Johannes Gutenberg
  4. 4.True or false: a calculator helps us hear the heartbeat. (a) True (b) False
  5. 5.What does a stethoscope help us do? (a) hear the heartbeat (b) tell the time (c) measure body temperature (d) find directions
  6. 6.What does a clock help us do? (a) see faraway stars (b) tell the time (c) talk to people far away (d) do sums quickly
  7. 7.What does a compass help us do? (a) measure body temperature (b) print many books (c) tell the time (d) find directions
  8. 8.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  9. 9.🔧 Which invention helps us see faraway stars? (a) thermometer (b) microscope (c) printing press (d) telescope
  10. 10.🔧 Which invention helps us tell the time? (a) stethoscope (b) telephone (c) compass (d) clock
  11. 11.True or false: a microscope helps us hear the heartbeat. (a) False (b) True
  12. 12.What did Johannes Gutenberg give us? (a) the stethoscope (b) raised-dot writing (c) the smallpox vaccine (d) the printing press
  13. 13.💡 Who gave us the telephone? (a) Alexander Fleming (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Alessandro Volta
  14. 14.What did René Laennec give us? (a) the electric battery (b) the first aeroplane (c) penicillin (d) the stethoscope
  15. 15.🔧 Which invention helps us print many books? (a) telescope (b) clock (c) printing press (d) telephone
  16. 16.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) René Laennec (d) Edward Jenner
  17. 17.True or false: a printing press helps us talk to people far away. (a) True (b) False
  18. 18.🔧 Which invention helps us do sums quickly? (a) microscope (b) compass (c) clock (d) calculator
  19. 19.🔧 Which invention helps us see tiny germs? (a) printing press (b) clock (c) stethoscope (d) microscope
  20. 20.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  21. 21.What did the Wright brothers give us? (a) X-rays (b) the stethoscope (c) the first aeroplane (d) the electric battery
  22. 22.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Alessandro Volta
  23. 23.What did Alexander Fleming give us? (a) penicillin (b) the telephone (c) the smallpox vaccine (d) the stethoscope
  24. 24.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Alexander Fleming (c) Alessandro Volta (d) Johannes Gutenberg
  25. 25.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) René Laennec (c) Alexander Graham Bell (d) the Wright brothers
  26. 26.What does a printing press help us do? (a) hear the heartbeat (b) print many books (c) tell the time (d) talk to people far away
  27. 27.True or false: Alessandro Volta gave us X-rays. (a) False (b) True
  28. 28.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  29. 29.True or false: a telephone helps us talk to people far away. (a) True (b) False
  30. 30.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  31. 31.True or false: Alexander Graham Bell gave us X-rays. (a) False (b) True
  32. 32.True or false: a microscope helps us talk to people far away. (a) False (b) True
  33. 33.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the telephone (c) the printing press (d) X-rays
  34. 34.True or false: a telescope helps us print many books. (a) False (b) True
  35. 35.What does a telephone help us do? (a) print many books (b) tell the time (c) measure body temperature (d) talk to people far away
  36. 36.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  37. 37.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  38. 38.True or false: a printing press helps us see tiny germs. (a) False (b) True
  39. 39.True or false: Edward Jenner gave us the first aeroplane. (a) True (b) False
  40. 40.True or false: a clock helps us hear the heartbeat. (a) True (b) False

Answer key

  1. do sums quickly
  2. stethoscope
  3. René Laennec
  4. False
  5. hear the heartbeat
  6. tell the time
  7. find directions
  8. True
  9. telescope
  10. clock
  11. False
  12. the printing press
  13. Alexander Graham Bell
  14. the stethoscope
  15. printing press
  16. Johannes Gutenberg
  17. False
  18. calculator
  19. microscope
  20. True
  21. the first aeroplane
  22. the Wright brothers
  23. penicillin
  24. Alessandro Volta
  25. Wilhelm Röntgen
  26. print many books
  27. False
  28. True
  29. True
  30. True
  31. False
  32. False
  33. the telephone
  34. False
  35. talk to people far away
  36. True
  37. True
  38. False
  39. False
  40. False

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