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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 452 · 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) talk to people far away (b) do sums quickly (c) see faraway stars (d) print many books
  2. 2.🔧 Which invention helps us print many books? (a) clock (b) telescope (c) printing press (d) telephone
  3. 3.🔧 Which invention helps us hear the heartbeat? (a) compass (b) stethoscope (c) telephone (d) thermometer
  4. 4.💡 Who gave us the first aeroplane? (a) René Laennec (b) Alexander Graham Bell (c) the Wright brothers (d) Alexander Fleming
  5. 5.What does a microscope help us do? (a) see faraway stars (b) talk to people far away (c) hear the heartbeat (d) see tiny germs
  6. 6.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  7. 7.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Louis Braille (c) Wilhelm Röntgen (d) Alexander Fleming
  8. 8.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alexander Graham Bell (c) Alessandro Volta (d) Louis Braille
  9. 9.True or false: a telephone helps us talk to people far away. (a) False (b) True
  10. 10.True or false: a compass helps us find directions. (a) False (b) True
  11. 11.True or false: Louis Braille gave us the stethoscope. (a) True (b) False
  12. 12.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  13. 13.What did Alessandro Volta give us? (a) the electric battery (b) the smallpox vaccine (c) penicillin (d) the telephone
  14. 14.True or false: Johannes Gutenberg gave us the electric battery. (a) False (b) True
  15. 15.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Louis Braille (c) René Laennec (d) Alexander Graham Bell
  16. 16.True or false: a telephone helps us tell the time. (a) False (b) True
  17. 17.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Johannes Gutenberg (c) Alessandro Volta (d) René Laennec
  18. 18.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  19. 19.True or false: a telescope helps us find directions. (a) True (b) False
  20. 20.What does a telephone help us do? (a) talk to people far away (b) do sums quickly (c) see faraway stars (d) tell the time
  21. 21.🔧 Which invention helps us find directions? (a) microscope (b) compass (c) calculator (d) printing press
  22. 22.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) Alexander Fleming (c) Alexander Graham Bell (d) the Wright brothers
  23. 23.True or false: Wilhelm Röntgen gave us the printing press. (a) False (b) True
  24. 24.What did Wilhelm Röntgen give us? (a) X-rays (b) penicillin (c) raised-dot writing (d) the first aeroplane
  25. 25.What did Louis Braille give us? (a) the telephone (b) the smallpox vaccine (c) X-rays (d) raised-dot writing
  26. 26.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  27. 27.What did Alexander Graham Bell give us? (a) X-rays (b) the telephone (c) raised-dot writing (d) the smallpox vaccine
  28. 28.What did Johannes Gutenberg give us? (a) X-rays (b) the printing press (c) the telephone (d) the first aeroplane
  29. 29.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  30. 30.🔧 Which invention helps us measure body temperature? (a) microscope (b) printing press (c) thermometer (d) stethoscope
  31. 31.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  32. 32.True or false: Louis Braille gave us the electric battery. (a) True (b) False
  33. 33.True or false: a telescope helps us see faraway stars. (a) True (b) False
  34. 34.What does a printing press help us do? (a) print many books (b) talk to people far away (c) tell the time (d) see tiny germs
  35. 35.What does a stethoscope help us do? (a) measure body temperature (b) see faraway stars (c) hear the heartbeat (d) find directions
  36. 36.True or false: Edward Jenner gave us raised-dot writing. (a) False (b) True
  37. 37.What did the Wright brothers give us? (a) the first aeroplane (b) raised-dot writing (c) the printing press (d) the electric battery
  38. 38.What does a thermometer help us do? (a) measure body temperature (b) print many books (c) see tiny germs (d) tell the time
  39. 39.🔧 Which invention helps us see faraway stars? (a) telescope (b) stethoscope (c) calculator (d) clock
  40. 40.What does a clock help us do? (a) tell the time (b) print many books (c) measure body temperature (d) find directions

Answer key

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

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