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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 123 · 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: Alexander Fleming gave us penicillin. (a) True (b) False
  2. 2.True or false: a printing press helps us see tiny germs. (a) True (b) False
  3. 3.🔧 Which invention helps us talk to people far away? (a) telephone (b) calculator (c) thermometer (d) stethoscope
  4. 4.What does a printing press help us do? (a) talk to people far away (b) do sums quickly (c) print many books (d) find directions
  5. 5.What does a stethoscope help us do? (a) hear the heartbeat (b) measure body temperature (c) find directions (d) print many books
  6. 6.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  7. 7.💡 Who gave us the electric battery? (a) Johannes Gutenberg (b) Alessandro Volta (c) the Wright brothers (d) Edward Jenner
  8. 8.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  9. 9.What did Edward Jenner give us? (a) the printing press (b) the smallpox vaccine (c) X-rays (d) raised-dot writing
  10. 10.What did the Wright brothers give us? (a) the stethoscope (b) the first aeroplane (c) the printing press (d) raised-dot writing
  11. 11.What does a clock help us do? (a) tell the time (b) see tiny germs (c) talk to people far away (d) hear the heartbeat
  12. 12.💡 Who gave us raised-dot writing? (a) Alessandro Volta (b) Louis Braille (c) René Laennec (d) Johannes Gutenberg
  13. 13.True or false: Edward Jenner gave us X-rays. (a) True (b) False
  14. 14.🔧 Which invention helps us see tiny germs? (a) telescope (b) calculator (c) clock (d) microscope
  15. 15.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) the Wright brothers (c) Louis Braille (d) Edward Jenner
  16. 16.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Alexander Fleming
  17. 17.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) René Laennec (c) Johannes Gutenberg (d) Alexander Fleming
  18. 18.True or false: Alexander Fleming gave us the printing press. (a) False (b) True
  19. 19.🔧 Which invention helps us print many books? (a) telephone (b) printing press (c) thermometer (d) calculator
  20. 20.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  21. 21.💡 Who gave us the telephone? (a) Alexander Fleming (b) Alessandro Volta (c) Wilhelm Röntgen (d) Alexander Graham Bell
  22. 22.True or false: a printing press helps us talk to people far away. (a) True (b) False
  23. 23.🔧 Which invention helps us do sums quickly? (a) printing press (b) stethoscope (c) clock (d) calculator
  24. 24.🔧 Which invention helps us find directions? (a) telephone (b) clock (c) microscope (d) compass
  25. 25.What did Alexander Graham Bell give us? (a) the printing press (b) the first aeroplane (c) the telephone (d) the smallpox vaccine
  26. 26.💡 Who gave us the stethoscope? (a) Edward Jenner (b) René Laennec (c) Alexander Graham Bell (d) Johannes Gutenberg
  27. 27.True or false: a microscope helps us see tiny germs. (a) True (b) False
  28. 28.True or false: a calculator helps us do sums quickly. (a) False (b) True
  29. 29.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  30. 30.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  31. 31.What did Wilhelm Röntgen give us? (a) the electric battery (b) penicillin (c) the smallpox vaccine (d) X-rays
  32. 32.What does a telescope help us do? (a) print many books (b) hear the heartbeat (c) see tiny germs (d) see faraway stars
  33. 33.True or false: Johannes Gutenberg gave us the electric battery. (a) True (b) False
  34. 34.What does a calculator help us do? (a) talk to people far away (b) do sums quickly (c) tell the time (d) see faraway stars
  35. 35.🔧 Which invention helps us tell the time? (a) clock (b) compass (c) calculator (d) stethoscope
  36. 36.What did Alexander Fleming give us? (a) the stethoscope (b) the printing press (c) penicillin (d) the telephone
  37. 37.🔧 Which invention helps us see faraway stars? (a) thermometer (b) telescope (c) printing press (d) compass
  38. 38.True or false: Wilhelm Röntgen gave us the telephone. (a) True (b) False
  39. 39.What does a microscope help us do? (a) see tiny germs (b) talk to people far away (c) measure body temperature (d) hear the heartbeat
  40. 40.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True

Answer key

  1. True
  2. False
  3. telephone
  4. print many books
  5. hear the heartbeat
  6. True
  7. Alessandro Volta
  8. True
  9. the smallpox vaccine
  10. the first aeroplane
  11. tell the time
  12. Louis Braille
  13. False
  14. microscope
  15. the Wright brothers
  16. Johannes Gutenberg
  17. Alexander Fleming
  18. False
  19. printing press
  20. True
  21. Alexander Graham Bell
  22. False
  23. calculator
  24. compass
  25. the telephone
  26. René Laennec
  27. True
  28. True
  29. True
  30. True
  31. X-rays
  32. see faraway stars
  33. False
  34. do sums quickly
  35. clock
  36. penicillin
  37. telescope
  38. False
  39. see tiny germs
  40. True

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