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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 398 · 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 calculator helps us do sums quickly. (a) False (b) True
  2. 2.True or false: a telescope helps us print many books. (a) True (b) False
  3. 3.True or false: René Laennec gave us penicillin. (a) False (b) True
  4. 4.What did Edward Jenner give us? (a) the smallpox vaccine (b) the telephone (c) X-rays (d) the printing press
  5. 5.🔧 Which invention helps us talk to people far away? (a) compass (b) calculator (c) microscope (d) telephone
  6. 6.💡 Who gave us raised-dot writing? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Edward Jenner (d) Louis Braille
  7. 7.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Johannes Gutenberg (c) Alexander Graham Bell (d) the Wright brothers
  8. 8.What does a microscope help us do? (a) print many books (b) see tiny germs (c) talk to people far away (d) hear the heartbeat
  9. 9.💡 Who gave us the telephone? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Alexander Fleming (d) the Wright brothers
  10. 10.🔧 Which invention helps us see tiny germs? (a) telescope (b) calculator (c) clock (d) microscope
  11. 11.True or false: Louis Braille gave us the telephone. (a) True (b) False
  12. 12.What did René Laennec give us? (a) the electric battery (b) the smallpox vaccine (c) the stethoscope (d) raised-dot writing
  13. 13.What does a compass help us do? (a) tell the time (b) measure body temperature (c) find directions (d) do sums quickly
  14. 14.True or false: a thermometer helps us talk to people far away. (a) True (b) False
  15. 15.True or false: Alexander Fleming gave us the electric battery. (a) True (b) False
  16. 16.True or false: Edward Jenner gave us penicillin. (a) True (b) False
  17. 17.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Alexander Fleming (d) the Wright brothers
  18. 18.What did Johannes Gutenberg give us? (a) the electric battery (b) the printing press (c) the telephone (d) the stethoscope
  19. 19.True or false: a printing press helps us see faraway stars. (a) False (b) True
  20. 20.True or false: a telephone helps us talk to people far away. (a) True (b) False
  21. 21.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  22. 22.What does a telescope help us do? (a) tell the time (b) find directions (c) see faraway stars (d) print many books
  23. 23.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) telephone (c) stethoscope (d) calculator
  24. 24.What does a telephone help us do? (a) find directions (b) print many books (c) hear the heartbeat (d) talk to people far away
  25. 25.🔧 Which invention helps us do sums quickly? (a) compass (b) calculator (c) thermometer (d) telephone
  26. 26.💡 Who gave us penicillin? (a) Alessandro Volta (b) Alexander Fleming (c) Edward Jenner (d) Alexander Graham Bell
  27. 27.What does a stethoscope help us do? (a) do sums quickly (b) talk to people far away (c) see faraway stars (d) hear the heartbeat
  28. 28.What does a printing press help us do? (a) talk to people far away (b) tell the time (c) print many books (d) hear the heartbeat
  29. 29.True or false: the Wright brothers gave us the electric battery. (a) False (b) True
  30. 30.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  31. 31.🔧 Which invention helps us tell the time? (a) clock (b) calculator (c) stethoscope (d) microscope
  32. 32.True or false: a compass helps us measure body temperature. (a) False (b) True
  33. 33.True or false: Alexander Fleming gave us the stethoscope. (a) True (b) False
  34. 34.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) the Wright brothers
  35. 35.💡 Who gave us the electric battery? (a) the Wright brothers (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Alessandro Volta
  36. 36.What does a clock help us do? (a) see tiny germs (b) tell the time (c) talk to people far away (d) measure body temperature
  37. 37.🔧 Which invention helps us measure body temperature? (a) printing press (b) microscope (c) thermometer (d) clock
  38. 38.What did Alessandro Volta give us? (a) X-rays (b) the electric battery (c) penicillin (d) the smallpox vaccine
  39. 39.What does a thermometer help us do? (a) tell the time (b) measure body temperature (c) hear the heartbeat (d) see faraway stars
  40. 40.True or false: a printing press helps us print many books. (a) True (b) False

Answer key

  1. True
  2. False
  3. False
  4. the smallpox vaccine
  5. telephone
  6. Louis Braille
  7. Edward Jenner
  8. see tiny germs
  9. Alexander Graham Bell
  10. microscope
  11. False
  12. the stethoscope
  13. find directions
  14. False
  15. False
  16. False
  17. Wilhelm Röntgen
  18. the printing press
  19. False
  20. True
  21. True
  22. see faraway stars
  23. stethoscope
  24. talk to people far away
  25. calculator
  26. Alexander Fleming
  27. hear the heartbeat
  28. print many books
  29. False
  30. True
  31. clock
  32. False
  33. False
  34. the Wright brothers
  35. Alessandro Volta
  36. tell the time
  37. thermometer
  38. the electric battery
  39. measure body temperature
  40. True

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