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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 255 · 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 calculator help us do? (a) tell the time (b) do sums quickly (c) see faraway stars (d) measure body temperature
  2. 2.🔧 Which invention helps us see faraway stars? (a) stethoscope (b) telephone (c) microscope (d) telescope
  3. 3.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  4. 4.🔧 Which invention helps us talk to people far away? (a) telescope (b) calculator (c) telephone (d) compass
  5. 5.What did Edward Jenner give us? (a) the first aeroplane (b) X-rays (c) the smallpox vaccine (d) the telephone
  6. 6.True or false: a calculator helps us do sums quickly. (a) True (b) False
  7. 7.True or false: a printing press helps us print many books. (a) True (b) False
  8. 8.What does a stethoscope help us do? (a) do sums quickly (b) measure body temperature (c) hear the heartbeat (d) tell the time
  9. 9.What does a clock help us do? (a) see faraway stars (b) do sums quickly (c) tell the time (d) talk to people far away
  10. 10.True or false: a compass helps us tell the time. (a) True (b) False
  11. 11.💡 Who gave us raised-dot writing? (a) Louis Braille (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) the Wright brothers
  12. 12.True or false: a compass helps us find directions. (a) False (b) True
  13. 13.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) René Laennec (c) Edward Jenner (d) Wilhelm Röntgen
  14. 14.True or false: Wilhelm Röntgen gave us the printing press. (a) False (b) True
  15. 15.What did Louis Braille give us? (a) X-rays (b) the stethoscope (c) raised-dot writing (d) the first aeroplane
  16. 16.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) René Laennec (c) Alexander Graham Bell (d) the Wright brothers
  17. 17.🔧 Which invention helps us do sums quickly? (a) calculator (b) stethoscope (c) clock (d) microscope
  18. 18.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) René Laennec (c) Johannes Gutenberg (d) Alessandro Volta
  19. 19.What does a printing press help us do? (a) print many books (b) measure body temperature (c) see tiny germs (d) hear the heartbeat
  20. 20.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  21. 21.True or false: a telephone helps us talk to people far away. (a) False (b) True
  22. 22.What did Alexander Graham Bell give us? (a) X-rays (b) penicillin (c) the electric battery (d) the telephone
  23. 23.True or false: Alessandro Volta gave us the first aeroplane. (a) False (b) True
  24. 24.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the first aeroplane (d) raised-dot writing
  25. 25.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  26. 26.True or false: Alessandro Volta gave us raised-dot writing. (a) True (b) False
  27. 27.True or false: Alessandro Volta gave us the printing press. (a) True (b) False
  28. 28.💡 Who gave us penicillin? (a) the Wright brothers (b) Johannes Gutenberg (c) Louis Braille (d) Alexander Fleming
  29. 29.🔧 Which invention helps us find directions? (a) clock (b) compass (c) printing press (d) thermometer
  30. 30.What does a microscope help us do? (a) talk to people far away (b) print many books (c) see tiny germs (d) hear the heartbeat
  31. 31.True or false: Alexander Graham Bell gave us penicillin. (a) True (b) False
  32. 32.💡 Who gave us the first aeroplane? (a) René Laennec (b) Alexander Fleming (c) Alessandro Volta (d) the Wright brothers
  33. 33.True or false: René Laennec gave us X-rays. (a) False (b) True
  34. 34.True or false: a stethoscope helps us do sums quickly. (a) True (b) False
  35. 35.What does a telephone help us do? (a) print many books (b) hear the heartbeat (c) talk to people far away (d) measure body temperature
  36. 36.What did the Wright brothers give us? (a) the stethoscope (b) the smallpox vaccine (c) raised-dot writing (d) the first aeroplane
  37. 37.🔧 Which invention helps us print many books? (a) stethoscope (b) printing press (c) microscope (d) telescope
  38. 38.True or false: a calculator helps us find directions. (a) True (b) False
  39. 39.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  40. 40.What does a telescope help us do? (a) see tiny germs (b) measure body temperature (c) find directions (d) see faraway stars

Answer key

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

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