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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 793 · 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.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Alessandro Volta (c) the Wright brothers (d) Wilhelm Röntgen
  2. 2.True or false: Wilhelm Röntgen gave us penicillin. (a) False (b) True
  3. 3.What does a telescope help us do? (a) measure body temperature (b) hear the heartbeat (c) see faraway stars (d) tell the time
  4. 4.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  5. 5.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) Louis Braille (c) Alexander Graham Bell (d) Edward Jenner
  6. 6.What does a printing press help us do? (a) tell the time (b) talk to people far away (c) print many books (d) measure body temperature
  7. 7.True or false: Alexander Graham Bell gave us penicillin. (a) True (b) False
  8. 8.What does a thermometer help us do? (a) do sums quickly (b) measure body temperature (c) talk to people far away (d) hear the heartbeat
  9. 9.What did Edward Jenner give us? (a) the electric battery (b) the first aeroplane (c) X-rays (d) the smallpox vaccine
  10. 10.🔧 Which invention helps us do sums quickly? (a) telescope (b) calculator (c) thermometer (d) clock
  11. 11.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) False (b) True
  12. 12.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) raised-dot writing (c) the electric battery (d) X-rays
  13. 13.What did Alessandro Volta give us? (a) raised-dot writing (b) the first aeroplane (c) the stethoscope (d) the electric battery
  14. 14.🔧 Which invention helps us print many books? (a) compass (b) clock (c) printing press (d) calculator
  15. 15.True or false: a clock helps us do sums quickly. (a) False (b) True
  16. 16.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  17. 17.True or false: a telephone helps us hear the heartbeat. (a) True (b) False
  18. 18.What did René Laennec give us? (a) the printing press (b) the smallpox vaccine (c) the telephone (d) the stethoscope
  19. 19.What did Louis Braille give us? (a) the first aeroplane (b) penicillin (c) the telephone (d) raised-dot writing
  20. 20.What does a microscope help us do? (a) see tiny germs (b) print many books (c) tell the time (d) talk to people far away
  21. 21.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  22. 22.💡 Who gave us penicillin? (a) René Laennec (b) the Wright brothers (c) Louis Braille (d) Alexander Fleming
  23. 23.True or false: a microscope helps us see tiny germs. (a) True (b) False
  24. 24.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False
  25. 25.🔧 Which invention helps us find directions? (a) stethoscope (b) calculator (c) printing press (d) compass
  26. 26.True or false: Alexander Fleming gave us raised-dot writing. (a) False (b) True
  27. 27.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  28. 28.What does a compass help us do? (a) talk to people far away (b) see tiny germs (c) see faraway stars (d) find directions
  29. 29.🔧 Which invention helps us see faraway stars? (a) clock (b) telescope (c) thermometer (d) telephone
  30. 30.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  31. 31.What does a telephone help us do? (a) do sums quickly (b) talk to people far away (c) hear the heartbeat (d) print many books
  32. 32.What does a clock help us do? (a) tell the time (b) see tiny germs (c) talk to people far away (d) see faraway stars
  33. 33.True or false: the Wright brothers gave us the smallpox vaccine. (a) True (b) False
  34. 34.True or false: a thermometer helps us tell the time. (a) False (b) True
  35. 35.True or false: a compass helps us tell the time. (a) True (b) False
  36. 36.🔧 Which invention helps us see tiny germs? (a) calculator (b) microscope (c) telescope (d) telephone
  37. 37.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  38. 38.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  39. 39.💡 Who gave us the telephone? (a) Wilhelm Röntgen (b) Johannes Gutenberg (c) Alexander Graham Bell (d) René Laennec
  40. 40.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) stethoscope (c) compass (d) clock

Answer key

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

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