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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 311 · 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: a compass helps us print many books. (a) True (b) False
  2. 2.True or false: Wilhelm Röntgen gave us the electric battery. (a) True (b) False
  3. 3.What did Alexander Graham Bell give us? (a) X-rays (b) the electric battery (c) the smallpox vaccine (d) the telephone
  4. 4.🔧 Which invention helps us hear the heartbeat? (a) clock (b) calculator (c) stethoscope (d) microscope
  5. 5.What does a telephone help us do? (a) print many books (b) measure body temperature (c) talk to people far away (d) find directions
  6. 6.What does a clock help us do? (a) tell the time (b) find directions (c) print many books (d) measure body temperature
  7. 7.🔧 Which invention helps us tell the time? (a) thermometer (b) printing press (c) clock (d) telescope
  8. 8.True or false: a calculator helps us see faraway stars. (a) False (b) True
  9. 9.What did René Laennec give us? (a) the first aeroplane (b) the stethoscope (c) the smallpox vaccine (d) raised-dot writing
  10. 10.What does a compass help us do? (a) find directions (b) print many books (c) see tiny germs (d) talk to people far away
  11. 11.True or false: the Wright brothers gave us X-rays. (a) True (b) False
  12. 12.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  13. 13.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) the Wright brothers
  14. 14.🔧 Which invention helps us do sums quickly? (a) telescope (b) printing press (c) compass (d) calculator
  15. 15.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Alexander Fleming (c) Johannes Gutenberg (d) Alessandro Volta
  16. 16.🔧 Which invention helps us see tiny germs? (a) telescope (b) calculator (c) thermometer (d) microscope
  17. 17.True or false: a microscope helps us measure body temperature. (a) True (b) False
  18. 18.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  19. 19.What does a stethoscope help us do? (a) find directions (b) talk to people far away (c) see faraway stars (d) hear the heartbeat
  20. 20.True or false: a stethoscope helps us print many books. (a) False (b) True
  21. 21.True or false: Wilhelm Röntgen gave us the telephone. (a) False (b) True
  22. 22.What does a printing press help us do? (a) see faraway stars (b) talk to people far away (c) print many books (d) do sums quickly
  23. 23.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  24. 24.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Edward Jenner (d) René Laennec
  25. 25.💡 Who gave us X-rays? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Alessandro Volta (d) the Wright brothers
  26. 26.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  27. 27.True or false: Alexander Graham Bell gave us the first aeroplane. (a) False (b) True
  28. 28.🔧 Which invention helps us find directions? (a) clock (b) printing press (c) telephone (d) compass
  29. 29.True or false: a clock helps us do sums quickly. (a) True (b) False
  30. 30.What does a calculator help us do? (a) find directions (b) see faraway stars (c) do sums quickly (d) measure body temperature
  31. 31.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  32. 32.True or false: Louis Braille gave us the smallpox vaccine. (a) True (b) False
  33. 33.What does a microscope help us do? (a) talk to people far away (b) do sums quickly (c) see tiny germs (d) measure body temperature
  34. 34.What did Louis Braille give us? (a) the printing press (b) the first aeroplane (c) the smallpox vaccine (d) raised-dot writing
  35. 35.True or false: René Laennec gave us the printing press. (a) True (b) False
  36. 36.What did the Wright brothers give us? (a) penicillin (b) the telephone (c) raised-dot writing (d) the first aeroplane
  37. 37.True or false: a printing press helps us measure body temperature. (a) False (b) True
  38. 38.True or false: a microscope helps us tell the time. (a) False (b) True
  39. 39.True or false: Johannes Gutenberg gave us the stethoscope. (a) False (b) True
  40. 40.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False

Answer key

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

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