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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 318 · 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) do sums quickly (b) see faraway stars (c) find directions (d) measure body temperature
  2. 2.💡 Who gave us the electric battery? (a) Edward Jenner (b) Wilhelm Röntgen (c) Alessandro Volta (d) René Laennec
  3. 3.What did Johannes Gutenberg give us? (a) the electric battery (b) the printing press (c) the telephone (d) penicillin
  4. 4.True or false: a thermometer helps us find directions. (a) False (b) True
  5. 5.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) calculator (c) compass (d) microscope
  6. 6.True or false: a microscope helps us hear the heartbeat. (a) True (b) False
  7. 7.💡 Who gave us the printing press? (a) Louis Braille (b) the Wright brothers (c) Johannes Gutenberg (d) Alexander Fleming
  8. 8.True or false: a clock helps us see tiny germs. (a) False (b) True
  9. 9.What did Wilhelm Röntgen give us? (a) the electric battery (b) raised-dot writing (c) the printing press (d) X-rays
  10. 10.True or false: a compass helps us print many books. (a) True (b) False
  11. 11.What did Edward Jenner give us? (a) penicillin (b) the electric battery (c) the smallpox vaccine (d) raised-dot writing
  12. 12.🔧 Which invention helps us measure body temperature? (a) calculator (b) printing press (c) telephone (d) thermometer
  13. 13.True or false: a microscope helps us see tiny germs. (a) True (b) False
  14. 14.What does a calculator help us do? (a) measure body temperature (b) do sums quickly (c) see faraway stars (d) hear the heartbeat
  15. 15.True or false: René Laennec gave us the smallpox vaccine. (a) True (b) False
  16. 16.🔧 Which invention helps us hear the heartbeat? (a) compass (b) stethoscope (c) telephone (d) telescope
  17. 17.🔧 Which invention helps us do sums quickly? (a) telescope (b) thermometer (c) calculator (d) telephone
  18. 18.True or false: a clock helps us see faraway stars. (a) False (b) True
  19. 19.What did the Wright brothers give us? (a) X-rays (b) the first aeroplane (c) the electric battery (d) penicillin
  20. 20.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alexander Graham Bell (c) René Laennec (d) Louis Braille
  21. 21.True or false: a clock helps us measure body temperature. (a) False (b) True
  22. 22.What did Alexander Graham Bell give us? (a) the telephone (b) the electric battery (c) the smallpox vaccine (d) raised-dot writing
  23. 23.True or false: Wilhelm Röntgen gave us penicillin. (a) True (b) False
  24. 24.What does a compass help us do? (a) hear the heartbeat (b) see tiny germs (c) talk to people far away (d) find directions
  25. 25.True or false: a clock helps us tell the time. (a) False (b) True
  26. 26.💡 Who gave us penicillin? (a) Alexander Fleming (b) Edward Jenner (c) René Laennec (d) Alexander Graham Bell
  27. 27.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) René Laennec (d) Johannes Gutenberg
  28. 28.🔧 Which invention helps us talk to people far away? (a) telescope (b) telephone (c) stethoscope (d) clock
  29. 29.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) False (b) True
  30. 30.What does a stethoscope help us do? (a) talk to people far away (b) see faraway stars (c) hear the heartbeat (d) do sums quickly
  31. 31.True or false: a thermometer helps us do sums quickly. (a) True (b) False
  32. 32.🔧 Which invention helps us tell the time? (a) microscope (b) stethoscope (c) clock (d) telephone
  33. 33.True or false: a telescope helps us measure body temperature. (a) False (b) True
  34. 34.True or false: the Wright brothers gave us the telephone. (a) True (b) False
  35. 35.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  36. 36.True or false: a compass helps us hear the heartbeat. (a) True (b) False
  37. 37.What did Alessandro Volta give us? (a) the telephone (b) penicillin (c) the electric battery (d) X-rays
  38. 38.What did Louis Braille give us? (a) the smallpox vaccine (b) raised-dot writing (c) penicillin (d) the stethoscope
  39. 39.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  40. 40.🔧 Which invention helps us find directions? (a) compass (b) microscope (c) calculator (d) telephone

Answer key

  1. measure body temperature
  2. Alessandro Volta
  3. the printing press
  4. False
  5. microscope
  6. False
  7. Johannes Gutenberg
  8. False
  9. X-rays
  10. False
  11. the smallpox vaccine
  12. thermometer
  13. True
  14. do sums quickly
  15. False
  16. stethoscope
  17. calculator
  18. False
  19. the first aeroplane
  20. Edward Jenner
  21. False
  22. the telephone
  23. False
  24. find directions
  25. True
  26. Alexander Fleming
  27. Wilhelm Röntgen
  28. telephone
  29. False
  30. hear the heartbeat
  31. False
  32. clock
  33. False
  34. False
  35. True
  36. False
  37. the electric battery
  38. raised-dot writing
  39. True
  40. compass

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