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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 499 · 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 thermometer help us do? (a) find directions (b) measure body temperature (c) talk to people far away (d) do sums quickly
  2. 2.🔧 Which invention helps us measure body temperature? (a) thermometer (b) clock (c) telescope (d) stethoscope
  3. 3.🔧 Which invention helps us hear the heartbeat? (a) compass (b) clock (c) thermometer (d) stethoscope
  4. 4.What does a clock help us do? (a) find directions (b) tell the time (c) talk to people far away (d) hear the heartbeat
  5. 5.What does a calculator help us do? (a) do sums quickly (b) see faraway stars (c) hear the heartbeat (d) talk to people far away
  6. 6.What does a printing press help us do? (a) print many books (b) tell the time (c) see faraway stars (d) measure body temperature
  7. 7.True or false: Alexander Fleming gave us the printing press. (a) False (b) True
  8. 8.True or false: Louis Braille gave us penicillin. (a) False (b) True
  9. 9.True or false: Alessandro Volta gave us penicillin. (a) True (b) False
  10. 10.💡 Who gave us the stethoscope? (a) Alexander Fleming (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) René Laennec
  11. 11.True or false: Louis Braille gave us the telephone. (a) True (b) False
  12. 12.True or false: a clock helps us tell the time. (a) False (b) True
  13. 13.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  14. 14.True or false: a microscope helps us print many books. (a) True (b) False
  15. 15.True or false: a telescope helps us see faraway stars. (a) False (b) True
  16. 16.True or false: a compass helps us talk to people far away. (a) True (b) False
  17. 17.True or false: Alessandro Volta gave us the printing press. (a) False (b) True
  18. 18.🔧 Which invention helps us see faraway stars? (a) printing press (b) microscope (c) telescope (d) thermometer
  19. 19.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Alexander Fleming (c) Alessandro Volta (d) Louis Braille
  20. 20.💡 Who gave us the printing press? (a) Alexander Fleming (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Edward Jenner
  21. 21.What does a telephone help us do? (a) find directions (b) talk to people far away (c) see faraway stars (d) measure body temperature
  22. 22.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Edward Jenner (c) Alexander Graham Bell (d) Alessandro Volta
  23. 23.What does a stethoscope help us do? (a) print many books (b) see tiny germs (c) hear the heartbeat (d) do sums quickly
  24. 24.What does a microscope help us do? (a) do sums quickly (b) see tiny germs (c) tell the time (d) talk to people far away
  25. 25.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  26. 26.True or false: a stethoscope helps us print many books. (a) False (b) True
  27. 27.What did Wilhelm Röntgen give us? (a) the telephone (b) X-rays (c) the first aeroplane (d) the electric battery
  28. 28.True or false: Wilhelm Röntgen gave us the printing press. (a) True (b) False
  29. 29.🔧 Which invention helps us print many books? (a) printing press (b) telephone (c) telescope (d) clock
  30. 30.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  31. 31.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  32. 32.🔧 Which invention helps us do sums quickly? (a) thermometer (b) stethoscope (c) printing press (d) calculator
  33. 33.What does a compass help us do? (a) measure body temperature (b) see tiny germs (c) find directions (d) hear the heartbeat
  34. 34.What did Louis Braille give us? (a) the smallpox vaccine (b) the first aeroplane (c) raised-dot writing (d) penicillin
  35. 35.True or false: a calculator helps us hear the heartbeat. (a) False (b) True
  36. 36.What did Alessandro Volta give us? (a) the telephone (b) the electric battery (c) the printing press (d) penicillin
  37. 37.True or false: a microscope helps us see tiny germs. (a) False (b) True
  38. 38.🔧 Which invention helps us find directions? (a) printing press (b) compass (c) clock (d) telephone
  39. 39.True or false: a microscope helps us find directions. (a) True (b) False
  40. 40.What did Alexander Fleming give us? (a) the electric battery (b) penicillin (c) the telephone (d) raised-dot writing

Answer key

  1. measure body temperature
  2. thermometer
  3. stethoscope
  4. tell the time
  5. do sums quickly
  6. print many books
  7. False
  8. False
  9. False
  10. René Laennec
  11. False
  12. True
  13. True
  14. False
  15. True
  16. False
  17. False
  18. telescope
  19. Alessandro Volta
  20. Johannes Gutenberg
  21. talk to people far away
  22. Edward Jenner
  23. hear the heartbeat
  24. see tiny germs
  25. True
  26. False
  27. X-rays
  28. False
  29. printing press
  30. True
  31. True
  32. calculator
  33. find directions
  34. raised-dot writing
  35. False
  36. the electric battery
  37. True
  38. compass
  39. False
  40. penicillin

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