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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 288 · 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 telephone help us do? (a) talk to people far away (b) hear the heartbeat (c) see tiny germs (d) tell the time
  2. 2.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  3. 3.True or false: a calculator helps us see faraway stars. (a) False (b) True
  4. 4.What does a printing press help us do? (a) do sums quickly (b) measure body temperature (c) find directions (d) print many books
  5. 5.🔧 Which invention helps us talk to people far away? (a) calculator (b) stethoscope (c) microscope (d) telephone
  6. 6.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Johannes Gutenberg (c) Edward Jenner (d) Alexander Graham Bell
  7. 7.What did Alexander Fleming give us? (a) the smallpox vaccine (b) the printing press (c) the first aeroplane (d) penicillin
  8. 8.True or false: a microscope helps us see tiny germs. (a) True (b) False
  9. 9.🔧 Which invention helps us measure body temperature? (a) telephone (b) thermometer (c) clock (d) printing press
  10. 10.True or false: Alexander Fleming gave us the printing press. (a) False (b) True
  11. 11.🔧 Which invention helps us find directions? (a) clock (b) compass (c) thermometer (d) telescope
  12. 12.What does a stethoscope help us do? (a) see faraway stars (b) hear the heartbeat (c) find directions (d) measure body temperature
  13. 13.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  14. 14.What did Louis Braille give us? (a) the telephone (b) raised-dot writing (c) the electric battery (d) X-rays
  15. 15.True or false: René Laennec gave us the electric battery. (a) True (b) False
  16. 16.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) telescope (c) calculator (d) clock
  17. 17.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alessandro Volta (c) Alexander Fleming (d) the Wright brothers
  18. 18.What does a thermometer help us do? (a) hear the heartbeat (b) measure body temperature (c) do sums quickly (d) see faraway stars
  19. 19.True or false: a telephone helps us tell the time. (a) False (b) True
  20. 20.What does a calculator help us do? (a) hear the heartbeat (b) measure body temperature (c) see faraway stars (d) do sums quickly
  21. 21.🔧 Which invention helps us see faraway stars? (a) stethoscope (b) clock (c) microscope (d) telescope
  22. 22.What did Alexander Graham Bell give us? (a) the telephone (b) raised-dot writing (c) the first aeroplane (d) the stethoscope
  23. 23.True or false: a printing press helps us measure body temperature. (a) True (b) False
  24. 24.True or false: Alexander Graham Bell gave us the stethoscope. (a) False (b) True
  25. 25.True or false: the Wright brothers gave us the telephone. (a) True (b) False
  26. 26.🔧 Which invention helps us tell the time? (a) calculator (b) clock (c) printing press (d) microscope
  27. 27.What did the Wright brothers give us? (a) the electric battery (b) penicillin (c) X-rays (d) the first aeroplane
  28. 28.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  29. 29.What does a microscope help us do? (a) hear the heartbeat (b) see tiny germs (c) see faraway stars (d) find directions
  30. 30.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Johannes Gutenberg (c) Louis Braille (d) Alessandro Volta
  31. 31.What does a clock help us do? (a) hear the heartbeat (b) measure body temperature (c) talk to people far away (d) tell the time
  32. 32.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) True (b) False
  33. 33.True or false: a stethoscope helps us see tiny germs. (a) True (b) False
  34. 34.🔧 Which invention helps us print many books? (a) printing press (b) thermometer (c) stethoscope (d) telephone
  35. 35.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Alessandro Volta (d) René Laennec
  36. 36.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  37. 37.💡 Who gave us penicillin? (a) Alexander Fleming (b) Louis Braille (c) Edward Jenner (d) Wilhelm Röntgen
  38. 38.True or false: a calculator helps us talk to people far away. (a) False (b) True
  39. 39.True or false: Louis Braille gave us the printing press. (a) True (b) False
  40. 40.🔧 Which invention helps us do sums quickly? (a) calculator (b) thermometer (c) stethoscope (d) printing press

Answer key

  1. talk to people far away
  2. True
  3. False
  4. print many books
  5. telephone
  6. the Wright brothers
  7. penicillin
  8. True
  9. thermometer
  10. False
  11. compass
  12. hear the heartbeat
  13. True
  14. raised-dot writing
  15. False
  16. stethoscope
  17. Johannes Gutenberg
  18. measure body temperature
  19. False
  20. do sums quickly
  21. telescope
  22. the telephone
  23. False
  24. False
  25. False
  26. clock
  27. the first aeroplane
  28. True
  29. see tiny germs
  30. Louis Braille
  31. tell the time
  32. False
  33. False
  34. printing press
  35. Alessandro Volta
  36. True
  37. Alexander Fleming
  38. False
  39. False
  40. calculator

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