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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 116 · 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 telescope help us do? (a) print many books (b) talk to people far away (c) hear the heartbeat (d) see faraway stars
  2. 2.What did Edward Jenner give us? (a) the first aeroplane (b) penicillin (c) the telephone (d) the smallpox vaccine
  3. 3.What did Alexander Fleming give us? (a) the stethoscope (b) the electric battery (c) X-rays (d) penicillin
  4. 4.True or false: a telephone helps us do sums quickly. (a) False (b) True
  5. 5.True or false: a printing press helps us do sums quickly. (a) True (b) False
  6. 6.💡 Who gave us the telephone? (a) Edward Jenner (b) Wilhelm Röntgen (c) Alessandro Volta (d) Alexander Graham Bell
  7. 7.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the first aeroplane (c) penicillin (d) the printing press
  8. 8.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  9. 9.What does a compass help us do? (a) hear the heartbeat (b) talk to people far away (c) find directions (d) see faraway stars
  10. 10.True or false: Alessandro Volta gave us X-rays. (a) False (b) True
  11. 11.True or false: a clock helps us talk to people far away. (a) False (b) True
  12. 12.🔧 Which invention helps us do sums quickly? (a) calculator (b) telescope (c) thermometer (d) compass
  13. 13.💡 Who gave us penicillin? (a) René Laennec (b) Wilhelm Röntgen (c) Louis Braille (d) Alexander Fleming
  14. 14.What does a calculator help us do? (a) measure body temperature (b) do sums quickly (c) tell the time (d) talk to people far away
  15. 15.🔧 Which invention helps us see tiny germs? (a) microscope (b) compass (c) stethoscope (d) calculator
  16. 16.What did Alessandro Volta give us? (a) the printing press (b) the telephone (c) the electric battery (d) raised-dot writing
  17. 17.🔧 Which invention helps us hear the heartbeat? (a) compass (b) printing press (c) stethoscope (d) microscope
  18. 18.True or false: a stethoscope helps us talk to people far away. (a) False (b) True
  19. 19.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  20. 20.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  21. 21.What did René Laennec give us? (a) penicillin (b) the printing press (c) the stethoscope (d) raised-dot writing
  22. 22.🔧 Which invention helps us find directions? (a) stethoscope (b) telephone (c) thermometer (d) compass
  23. 23.What does a stethoscope help us do? (a) do sums quickly (b) hear the heartbeat (c) see faraway stars (d) measure body temperature
  24. 24.What does a clock help us do? (a) tell the time (b) hear the heartbeat (c) talk to people far away (d) print many books
  25. 25.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  26. 26.True or false: a calculator helps us do sums quickly. (a) False (b) True
  27. 27.What did the Wright brothers give us? (a) the printing press (b) the telephone (c) the first aeroplane (d) the smallpox vaccine
  28. 28.True or false: a microscope helps us see faraway stars. (a) False (b) True
  29. 29.True or false: a clock helps us find directions. (a) False (b) True
  30. 30.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  31. 31.True or false: a printing press helps us see faraway stars. (a) True (b) False
  32. 32.True or false: a microscope helps us see tiny germs. (a) True (b) False
  33. 33.What does a telephone help us do? (a) hear the heartbeat (b) see tiny germs (c) measure body temperature (d) talk to people far away
  34. 34.True or false: a thermometer helps us hear the heartbeat. (a) False (b) True
  35. 35.True or false: a calculator helps us measure body temperature. (a) False (b) True
  36. 36.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  37. 37.True or false: a clock helps us tell the time. (a) False (b) True
  38. 38.True or false: Louis Braille gave us the electric battery. (a) False (b) True
  39. 39.True or false: a microscope helps us find directions. (a) False (b) True
  40. 40.True or false: a calculator helps us tell the time. (a) True (b) False

Answer key

  1. see faraway stars
  2. the smallpox vaccine
  3. penicillin
  4. False
  5. False
  6. Alexander Graham Bell
  7. the printing press
  8. True
  9. find directions
  10. False
  11. False
  12. calculator
  13. Alexander Fleming
  14. do sums quickly
  15. microscope
  16. the electric battery
  17. stethoscope
  18. False
  19. True
  20. True
  21. the stethoscope
  22. compass
  23. hear the heartbeat
  24. tell the time
  25. True
  26. True
  27. the first aeroplane
  28. False
  29. False
  30. True
  31. False
  32. True
  33. talk to people far away
  34. False
  35. False
  36. True
  37. True
  38. False
  39. False
  40. False

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