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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 225 · 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 clock help us do? (a) find directions (b) measure body temperature (c) see tiny germs (d) tell the time
  2. 2.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  3. 3.🔧 Which invention helps us see tiny germs? (a) microscope (b) compass (c) thermometer (d) telephone
  4. 4.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Louis Braille (d) Alexander Fleming
  5. 5.True or false: a printing press helps us print many books. (a) False (b) True
  6. 6.What does a calculator help us do? (a) print many books (b) do sums quickly (c) find directions (d) see tiny germs
  7. 7.💡 Who gave us penicillin? (a) the Wright brothers (b) Alessandro Volta (c) Alexander Fleming (d) Louis Braille
  8. 8.What did Wilhelm Röntgen give us? (a) the telephone (b) the stethoscope (c) penicillin (d) X-rays
  9. 9.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Alessandro Volta (c) Alexander Graham Bell (d) Alexander Fleming
  10. 10.What did Alexander Graham Bell give us? (a) the printing press (b) the stethoscope (c) the telephone (d) X-rays
  11. 11.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Edward Jenner
  12. 12.💡 Who gave us the printing press? (a) René Laennec (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) Alexander Graham Bell
  13. 13.What did Alessandro Volta give us? (a) the electric battery (b) raised-dot writing (c) the smallpox vaccine (d) the telephone
  14. 14.What does a microscope help us do? (a) print many books (b) see tiny germs (c) do sums quickly (d) measure body temperature
  15. 15.True or false: Wilhelm Röntgen gave us the stethoscope. (a) True (b) False
  16. 16.True or false: René Laennec gave us the first aeroplane. (a) False (b) True
  17. 17.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) printing press (c) stethoscope (d) clock
  18. 18.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  19. 19.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Edward Jenner
  20. 20.What does a stethoscope help us do? (a) see tiny germs (b) tell the time (c) hear the heartbeat (d) do sums quickly
  21. 21.What does a telescope help us do? (a) see faraway stars (b) see tiny germs (c) do sums quickly (d) print many books
  22. 22.🔧 Which invention helps us do sums quickly? (a) telephone (b) stethoscope (c) calculator (d) clock
  23. 23.What did Edward Jenner give us? (a) the first aeroplane (b) the stethoscope (c) the smallpox vaccine (d) X-rays
  24. 24.True or false: a microscope helps us see tiny germs. (a) False (b) True
  25. 25.True or false: a calculator helps us do sums quickly. (a) False (b) True
  26. 26.True or false: a compass helps us hear the heartbeat. (a) True (b) False
  27. 27.💡 Who gave us the electric battery? (a) Edward Jenner (b) the Wright brothers (c) Alessandro Volta (d) Wilhelm Röntgen
  28. 28.What does a compass help us do? (a) see faraway stars (b) do sums quickly (c) hear the heartbeat (d) find directions
  29. 29.🔧 Which invention helps us tell the time? (a) printing press (b) clock (c) calculator (d) stethoscope
  30. 30.🔧 Which invention helps us print many books? (a) telescope (b) thermometer (c) telephone (d) printing press
  31. 31.True or false: a calculator helps us hear the heartbeat. (a) True (b) False
  32. 32.🔧 Which invention helps us see faraway stars? (a) printing press (b) calculator (c) clock (d) telescope
  33. 33.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Louis Braille
  34. 34.What did Alexander Fleming give us? (a) the electric battery (b) X-rays (c) the stethoscope (d) penicillin
  35. 35.True or false: a telescope helps us see faraway stars. (a) True (b) False
  36. 36.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  37. 37.🔧 Which invention helps us talk to people far away? (a) compass (b) stethoscope (c) calculator (d) telephone
  38. 38.🔧 Which invention helps us measure body temperature? (a) thermometer (b) calculator (c) telescope (d) printing press
  39. 39.True or false: a telephone helps us talk to people far away. (a) False (b) True
  40. 40.True or false: Alexander Fleming gave us raised-dot writing. (a) True (b) False

Answer key

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

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