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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 444 · 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 stethoscope help us do? (a) talk to people far away (b) hear the heartbeat (c) see faraway stars (d) measure body temperature
  2. 2.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Alexander Graham Bell (c) Alessandro Volta (d) the Wright brothers
  3. 3.True or false: the Wright brothers gave us the printing press. (a) False (b) True
  4. 4.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the printing press (c) the telephone (d) the smallpox vaccine
  5. 5.What does a microscope help us do? (a) print many books (b) see tiny germs (c) measure body temperature (d) hear the heartbeat
  6. 6.True or false: Louis Braille gave us X-rays. (a) True (b) False
  7. 7.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  8. 8.What did the Wright brothers give us? (a) the electric battery (b) the telephone (c) the smallpox vaccine (d) the first aeroplane
  9. 9.🔧 Which invention helps us measure body temperature? (a) compass (b) clock (c) thermometer (d) telescope
  10. 10.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  11. 11.True or false: a printing press helps us find directions. (a) True (b) False
  12. 12.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) False (b) True
  13. 13.What did Alessandro Volta give us? (a) the electric battery (b) the first aeroplane (c) X-rays (d) penicillin
  14. 14.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  15. 15.💡 Who gave us the printing press? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Louis Braille (d) Johannes Gutenberg
  16. 16.🔧 Which invention helps us find directions? (a) stethoscope (b) clock (c) telescope (d) compass
  17. 17.🔧 Which invention helps us see faraway stars? (a) clock (b) telescope (c) telephone (d) printing press
  18. 18.True or false: a compass helps us see tiny germs. (a) False (b) True
  19. 19.🔧 Which invention helps us see tiny germs? (a) calculator (b) microscope (c) printing press (d) clock
  20. 20.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Louis Braille (d) Alexander Fleming
  21. 21.What did René Laennec give us? (a) X-rays (b) raised-dot writing (c) the telephone (d) the stethoscope
  22. 22.What did Louis Braille give us? (a) the electric battery (b) the smallpox vaccine (c) raised-dot writing (d) the stethoscope
  23. 23.What does a compass help us do? (a) measure body temperature (b) print many books (c) see tiny germs (d) find directions
  24. 24.💡 Who gave us penicillin? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) René Laennec
  25. 25.True or false: the Wright brothers gave us the smallpox vaccine. (a) True (b) False
  26. 26.What did Alexander Graham Bell give us? (a) the first aeroplane (b) the telephone (c) raised-dot writing (d) the printing press
  27. 27.What does a telescope help us do? (a) find directions (b) hear the heartbeat (c) see faraway stars (d) talk to people far away
  28. 28.💡 Who gave us the telephone? (a) René Laennec (b) the Wright brothers (c) Alexander Fleming (d) Alexander Graham Bell
  29. 29.What does a thermometer help us do? (a) see faraway stars (b) find directions (c) talk to people far away (d) measure body temperature
  30. 30.True or false: a printing press helps us print many books. (a) True (b) False
  31. 31.True or false: a printing press helps us measure body temperature. (a) False (b) True
  32. 32.🔧 Which invention helps us tell the time? (a) telephone (b) microscope (c) clock (d) calculator
  33. 33.What does a clock help us do? (a) tell the time (b) see tiny germs (c) do sums quickly (d) talk to people far away
  34. 34.What did Alexander Fleming give us? (a) the first aeroplane (b) X-rays (c) the telephone (d) penicillin
  35. 35.True or false: René Laennec gave us the printing press. (a) True (b) False
  36. 36.True or false: Wilhelm Röntgen gave us the electric battery. (a) True (b) False
  37. 37.True or false: a telescope helps us print many books. (a) False (b) True
  38. 38.True or false: a stethoscope helps us do sums quickly. (a) False (b) True
  39. 39.What does a telephone help us do? (a) see tiny germs (b) talk to people far away (c) print many books (d) find directions
  40. 40.True or false: a stethoscope helps us measure body temperature. (a) True (b) False

Answer key

  1. hear the heartbeat
  2. the Wright brothers
  3. False
  4. the printing press
  5. see tiny germs
  6. False
  7. True
  8. the first aeroplane
  9. thermometer
  10. True
  11. False
  12. False
  13. the electric battery
  14. True
  15. Johannes Gutenberg
  16. compass
  17. telescope
  18. False
  19. microscope
  20. Wilhelm Röntgen
  21. the stethoscope
  22. raised-dot writing
  23. find directions
  24. Alexander Fleming
  25. False
  26. the telephone
  27. see faraway stars
  28. Alexander Graham Bell
  29. measure body temperature
  30. True
  31. False
  32. clock
  33. tell the time
  34. penicillin
  35. False
  36. False
  37. False
  38. False
  39. talk to people far away
  40. False

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