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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 520 · 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 clock helps us see tiny germs. (a) False (b) True
  2. 2.💡 Who gave us the stethoscope? (a) René Laennec (b) Louis Braille (c) Wilhelm Röntgen (d) Edward Jenner
  3. 3.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) Edward Jenner (c) Johannes Gutenberg (d) Alessandro Volta
  4. 4.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  5. 5.True or false: a calculator helps us do sums quickly. (a) True (b) False
  6. 6.🔧 Which invention helps us tell the time? (a) clock (b) microscope (c) thermometer (d) telescope
  7. 7.True or false: a clock helps us hear the heartbeat. (a) True (b) False
  8. 8.🔧 Which invention helps us print many books? (a) telephone (b) calculator (c) printing press (d) stethoscope
  9. 9.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Johannes Gutenberg (c) the Wright brothers (d) Alexander Graham Bell
  10. 10.True or false: a printing press helps us talk to people far away. (a) True (b) False
  11. 11.🔧 Which invention helps us do sums quickly? (a) compass (b) calculator (c) printing press (d) stethoscope
  12. 12.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Edward Jenner
  13. 13.True or false: a microscope helps us tell the time. (a) False (b) True
  14. 14.🔧 Which invention helps us see tiny germs? (a) clock (b) telephone (c) compass (d) microscope
  15. 15.What does a microscope help us do? (a) talk to people far away (b) measure body temperature (c) see tiny germs (d) find directions
  16. 16.True or false: a stethoscope helps us measure body temperature. (a) False (b) True
  17. 17.🔧 Which invention helps us measure body temperature? (a) telescope (b) calculator (c) stethoscope (d) thermometer
  18. 18.True or false: a calculator helps us talk to people far away. (a) True (b) False
  19. 19.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  20. 20.True or false: Louis Braille gave us the stethoscope. (a) True (b) False
  21. 21.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) the Wright brothers (c) Wilhelm Röntgen (d) Johannes Gutenberg
  22. 22.What does a printing press help us do? (a) hear the heartbeat (b) talk to people far away (c) print many books (d) do sums quickly
  23. 23.True or false: a printing press helps us find directions. (a) False (b) True
  24. 24.What did Alessandro Volta give us? (a) the telephone (b) the stethoscope (c) the electric battery (d) X-rays
  25. 25.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Fleming (c) Wilhelm Röntgen (d) Alexander Graham Bell
  26. 26.What does a stethoscope help us do? (a) see tiny germs (b) tell the time (c) print many books (d) hear the heartbeat
  27. 27.💡 Who gave us penicillin? (a) Edward Jenner (b) Alexander Fleming (c) Alexander Graham Bell (d) René Laennec
  28. 28.What did Alexander Graham Bell give us? (a) the telephone (b) the first aeroplane (c) penicillin (d) the printing press
  29. 29.True or false: a clock helps us tell the time. (a) True (b) False
  30. 30.True or false: Edward Jenner gave us the first aeroplane. (a) True (b) False
  31. 31.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  32. 32.What does a telephone help us do? (a) talk to people far away (b) see faraway stars (c) see tiny germs (d) tell the time
  33. 33.What does a calculator help us do? (a) see faraway stars (b) do sums quickly (c) find directions (d) talk to people far away
  34. 34.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  35. 35.What did Louis Braille give us? (a) the printing press (b) the electric battery (c) the stethoscope (d) raised-dot writing
  36. 36.What did René Laennec give us? (a) the stethoscope (b) X-rays (c) the first aeroplane (d) penicillin
  37. 37.What does a thermometer help us do? (a) talk to people far away (b) measure body temperature (c) do sums quickly (d) print many books
  38. 38.🔧 Which invention helps us see faraway stars? (a) stethoscope (b) telephone (c) telescope (d) printing press
  39. 39.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  40. 40.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False

Answer key

  1. False
  2. René Laennec
  3. Edward Jenner
  4. False
  5. True
  6. clock
  7. False
  8. printing press
  9. the Wright brothers
  10. False
  11. calculator
  12. Johannes Gutenberg
  13. False
  14. microscope
  15. see tiny germs
  16. False
  17. thermometer
  18. False
  19. True
  20. False
  21. Wilhelm Röntgen
  22. print many books
  23. False
  24. the electric battery
  25. Alexander Graham Bell
  26. hear the heartbeat
  27. Alexander Fleming
  28. the telephone
  29. True
  30. False
  31. True
  32. talk to people far away
  33. do sums quickly
  34. True
  35. raised-dot writing
  36. the stethoscope
  37. measure body temperature
  38. telescope
  39. True
  40. True

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