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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 720 · 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.🔧 Which invention helps us see tiny germs? (a) clock (b) microscope (c) stethoscope (d) telephone
  2. 2.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) calculator (d) printing press
  3. 3.What did Alexander Fleming give us? (a) penicillin (b) the electric battery (c) the printing press (d) the smallpox vaccine
  4. 4.What did Alessandro Volta give us? (a) penicillin (b) X-rays (c) the stethoscope (d) the electric battery
  5. 5.What did Johannes Gutenberg give us? (a) the electric battery (b) the printing press (c) the stethoscope (d) raised-dot writing
  6. 6.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  7. 7.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) René Laennec (c) Louis Braille (d) Wilhelm Röntgen
  8. 8.True or false: a compass helps us tell the time. (a) False (b) True
  9. 9.What does a thermometer help us do? (a) measure body temperature (b) do sums quickly (c) talk to people far away (d) print many books
  10. 10.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  11. 11.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) Alessandro Volta (c) Wilhelm Röntgen (d) Louis Braille
  12. 12.True or false: a printing press helps us hear the heartbeat. (a) True (b) False
  13. 13.What does a stethoscope help us do? (a) talk to people far away (b) print many books (c) hear the heartbeat (d) tell the time
  14. 14.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  15. 15.🔧 Which invention helps us tell the time? (a) printing press (b) compass (c) clock (d) stethoscope
  16. 16.True or false: a telephone helps us see tiny germs. (a) True (b) False
  17. 17.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  18. 18.What did Louis Braille give us? (a) the smallpox vaccine (b) the electric battery (c) raised-dot writing (d) X-rays
  19. 19.True or false: a microscope helps us see tiny germs. (a) True (b) False
  20. 20.What does a clock help us do? (a) hear the heartbeat (b) print many books (c) tell the time (d) do sums quickly
  21. 21.True or false: a compass helps us find directions. (a) True (b) False
  22. 22.🔧 Which invention helps us do sums quickly? (a) telescope (b) calculator (c) microscope (d) telephone
  23. 23.What does a compass help us do? (a) see tiny germs (b) find directions (c) tell the time (d) talk to people far away
  24. 24.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Louis Braille (c) René Laennec (d) Alessandro Volta
  25. 25.🔧 Which invention helps us see faraway stars? (a) stethoscope (b) thermometer (c) telescope (d) compass
  26. 26.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  27. 27.True or false: Wilhelm Röntgen gave us the telephone. (a) False (b) True
  28. 28.True or false: a clock helps us tell the time. (a) False (b) True
  29. 29.🔧 Which invention helps us find directions? (a) microscope (b) stethoscope (c) calculator (d) compass
  30. 30.What does a microscope help us do? (a) do sums quickly (b) see tiny germs (c) see faraway stars (d) measure body temperature
  31. 31.What did Wilhelm Röntgen give us? (a) the telephone (b) raised-dot writing (c) the first aeroplane (d) X-rays
  32. 32.What does a calculator help us do? (a) find directions (b) see faraway stars (c) do sums quickly (d) tell the time
  33. 33.What did René Laennec give us? (a) the stethoscope (b) the printing press (c) the first aeroplane (d) raised-dot writing
  34. 34.💡 Who gave us the electric battery? (a) the Wright brothers (b) Alessandro Volta (c) René Laennec (d) Edward Jenner
  35. 35.True or false: the Wright brothers gave us the telephone. (a) False (b) True
  36. 36.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alessandro Volta (c) Alexander Graham Bell (d) Wilhelm Röntgen
  37. 37.True or false: a clock helps us hear the heartbeat. (a) False (b) True
  38. 38.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  39. 39.True or false: Alexander Graham Bell gave us X-rays. (a) False (b) True
  40. 40.💡 Who gave us penicillin? (a) the Wright brothers (b) Alexander Graham Bell (c) Alexander Fleming (d) Wilhelm Röntgen

Answer key

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

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