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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 483 · 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.True or false: a compass helps us measure body temperature. (a) True (b) False
  2. 2.💡 Who gave us the smallpox vaccine? (a) Louis Braille (b) Alessandro Volta (c) Alexander Graham Bell (d) Edward Jenner
  3. 3.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  4. 4.What did Wilhelm Röntgen give us? (a) the stethoscope (b) X-rays (c) the smallpox vaccine (d) the first aeroplane
  5. 5.💡 Who gave us raised-dot writing? (a) Louis Braille (b) the Wright brothers (c) Wilhelm Röntgen (d) Alexander Graham Bell
  6. 6.What did Edward Jenner give us? (a) the electric battery (b) the smallpox vaccine (c) raised-dot writing (d) the telephone
  7. 7.What does a stethoscope help us do? (a) measure body temperature (b) hear the heartbeat (c) do sums quickly (d) tell the time
  8. 8.What did Alexander Fleming give us? (a) raised-dot writing (b) the printing press (c) X-rays (d) penicillin
  9. 9.What does a telephone help us do? (a) find directions (b) tell the time (c) talk to people far away (d) print many books
  10. 10.True or false: a telephone helps us talk to people far away. (a) False (b) True
  11. 11.True or false: René Laennec gave us the electric battery. (a) True (b) False
  12. 12.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) the Wright brothers (c) Johannes Gutenberg (d) Louis Braille
  13. 13.True or false: a calculator helps us do sums quickly. (a) False (b) True
  14. 14.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  15. 15.What did Louis Braille give us? (a) penicillin (b) the smallpox vaccine (c) the printing press (d) raised-dot writing
  16. 16.🔧 Which invention helps us find directions? (a) printing press (b) compass (c) stethoscope (d) calculator
  17. 17.What did the Wright brothers give us? (a) the electric battery (b) raised-dot writing (c) penicillin (d) the first aeroplane
  18. 18.💡 Who gave us the printing press? (a) the Wright brothers (b) Alessandro Volta (c) Louis Braille (d) Johannes Gutenberg
  19. 19.🔧 Which invention helps us do sums quickly? (a) calculator (b) telephone (c) stethoscope (d) printing press
  20. 20.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Johannes Gutenberg (c) the Wright brothers (d) Edward Jenner
  21. 21.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  22. 22.What does a thermometer help us do? (a) see faraway stars (b) measure body temperature (c) print many books (d) hear the heartbeat
  23. 23.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  24. 24.True or false: Wilhelm Röntgen gave us penicillin. (a) True (b) False
  25. 25.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  26. 26.What did Johannes Gutenberg give us? (a) the smallpox vaccine (b) the electric battery (c) the first aeroplane (d) the printing press
  27. 27.What does a printing press help us do? (a) see faraway stars (b) print many books (c) find directions (d) tell the time
  28. 28.True or false: a printing press helps us measure body temperature. (a) True (b) False
  29. 29.True or false: a clock helps us see tiny germs. (a) True (b) False
  30. 30.🔧 Which invention helps us print many books? (a) calculator (b) telescope (c) printing press (d) telephone
  31. 31.What does a compass help us do? (a) print many books (b) find directions (c) hear the heartbeat (d) do sums quickly
  32. 32.True or false: Alexander Fleming gave us the telephone. (a) True (b) False
  33. 33.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Alexander Fleming (c) Louis Braille (d) Alexander Graham Bell
  34. 34.What does a calculator help us do? (a) print many books (b) tell the time (c) see tiny germs (d) do sums quickly
  35. 35.True or false: Louis Braille gave us the first aeroplane. (a) False (b) True
  36. 36.True or false: Alessandro Volta gave us X-rays. (a) True (b) False
  37. 37.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) False (b) True
  38. 38.True or false: a telescope helps us hear the heartbeat. (a) True (b) False
  39. 39.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  40. 40.What does a telescope help us do? (a) find directions (b) talk to people far away (c) see faraway stars (d) measure body temperature

Answer key

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

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