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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 892 · 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 thermometer helps us measure body temperature. (a) True (b) False
  2. 2.True or false: a telescope helps us tell the time. (a) False (b) True
  3. 3.True or false: Edward Jenner gave us penicillin. (a) False (b) True
  4. 4.What did René Laennec give us? (a) raised-dot writing (b) the telephone (c) X-rays (d) the stethoscope
  5. 5.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Louis Braille (d) Alexander Fleming
  6. 6.🔧 Which invention helps us print many books? (a) compass (b) microscope (c) clock (d) printing press
  7. 7.What did Alexander Fleming give us? (a) the telephone (b) the stethoscope (c) penicillin (d) X-rays
  8. 8.💡 Who gave us the first aeroplane? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Louis Braille (d) the Wright brothers
  9. 9.What does a clock help us do? (a) see faraway stars (b) print many books (c) talk to people far away (d) tell the time
  10. 10.What does a telephone help us do? (a) see faraway stars (b) measure body temperature (c) print many books (d) talk to people far away
  11. 11.🔧 Which invention helps us see faraway stars? (a) telephone (b) stethoscope (c) clock (d) telescope
  12. 12.What did Edward Jenner give us? (a) X-rays (b) the printing press (c) the smallpox vaccine (d) the electric battery
  13. 13.What did Louis Braille give us? (a) the first aeroplane (b) raised-dot writing (c) the electric battery (d) the telephone
  14. 14.What did Wilhelm Röntgen give us? (a) X-rays (b) the smallpox vaccine (c) penicillin (d) raised-dot writing
  15. 15.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Edward Jenner (c) Louis Braille (d) Alessandro Volta
  16. 16.What does a microscope help us do? (a) hear the heartbeat (b) tell the time (c) print many books (d) see tiny germs
  17. 17.True or false: a telephone helps us see faraway stars. (a) True (b) False
  18. 18.What did the Wright brothers give us? (a) X-rays (b) the printing press (c) the electric battery (d) the first aeroplane
  19. 19.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  20. 20.True or false: Louis Braille gave us the electric battery. (a) True (b) False
  21. 21.💡 Who gave us the stethoscope? (a) the Wright brothers (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) René Laennec
  22. 22.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  23. 23.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Alexander Fleming (c) Johannes Gutenberg (d) René Laennec
  24. 24.True or false: a calculator helps us tell the time. (a) True (b) False
  25. 25.What did Alessandro Volta give us? (a) penicillin (b) the stethoscope (c) the electric battery (d) the first aeroplane
  26. 26.🔧 Which invention helps us find directions? (a) telephone (b) stethoscope (c) compass (d) printing press
  27. 27.🔧 Which invention helps us talk to people far away? (a) calculator (b) telephone (c) printing press (d) stethoscope
  28. 28.What does a thermometer help us do? (a) see faraway stars (b) hear the heartbeat (c) measure body temperature (d) talk to people far away
  29. 29.True or false: a telescope helps us print many books. (a) False (b) True
  30. 30.True or false: Wilhelm Röntgen gave us the telephone. (a) False (b) True
  31. 31.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Wilhelm Röntgen (c) Louis Braille (d) Edward Jenner
  32. 32.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  33. 33.True or false: a calculator helps us hear the heartbeat. (a) True (b) False
  34. 34.True or false: a telescope helps us see faraway stars. (a) False (b) True
  35. 35.True or false: Johannes Gutenberg gave us the telephone. (a) True (b) False
  36. 36.True or false: a telephone helps us talk to people far away. (a) False (b) True
  37. 37.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) thermometer (c) telephone (d) calculator
  38. 38.True or false: a stethoscope helps us do sums quickly. (a) False (b) True
  39. 39.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) True (b) False
  40. 40.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True

Answer key

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

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