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Class 4 GK Worksheet: Inventions and Inventors

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

Answer key

  1. hear the heartbeat
  2. True
  3. the smallpox vaccine
  4. printing press
  5. True
  6. René Laennec
  7. False
  8. True
  9. clock
  10. do sums quickly
  11. compass
  12. Alexander Graham Bell
  13. stethoscope
  14. Louis Braille
  15. True
  16. calculator
  17. microscope
  18. Johannes Gutenberg
  19. measure body temperature
  20. True
  21. X-rays
  22. False
  23. the stethoscope
  24. False
  25. True
  26. the telephone
  27. raised-dot writing
  28. False
  29. the Wright brothers
  30. False
  31. False
  32. False
  33. find directions
  34. True
  35. see tiny germs
  36. False
  37. False
  38. True
  39. print many books
  40. thermometer

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