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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 838 · 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.💡 Who gave us penicillin? (a) Alexander Fleming (b) the Wright brothers (c) Louis Braille (d) Alexander Graham Bell
  2. 2.What does a stethoscope help us do? (a) tell the time (b) find directions (c) talk to people far away (d) hear the heartbeat
  3. 3.What did René Laennec give us? (a) penicillin (b) X-rays (c) the first aeroplane (d) the stethoscope
  4. 4.💡 Who gave us the stethoscope? (a) Johannes Gutenberg (b) Alexander Fleming (c) Alexander Graham Bell (d) René Laennec
  5. 5.What did Alessandro Volta give us? (a) X-rays (b) the telephone (c) the electric battery (d) the printing press
  6. 6.True or false: a compass helps us print many books. (a) True (b) False
  7. 7.True or false: a microscope helps us see tiny germs. (a) False (b) True
  8. 8.What did the Wright brothers give us? (a) X-rays (b) the first aeroplane (c) the smallpox vaccine (d) the electric battery
  9. 9.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  10. 10.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  11. 11.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Johannes Gutenberg (c) Alexander Graham Bell (d) Alexander Fleming
  12. 12.True or false: a compass helps us find directions. (a) False (b) True
  13. 13.True or false: René Laennec gave us the first aeroplane. (a) False (b) True
  14. 14.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  15. 15.True or false: the Wright brothers gave us the smallpox vaccine. (a) False (b) True
  16. 16.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  17. 17.What did Louis Braille give us? (a) raised-dot writing (b) the telephone (c) the smallpox vaccine (d) penicillin
  18. 18.🔧 Which invention helps us find directions? (a) compass (b) microscope (c) telephone (d) printing press
  19. 19.What did Edward Jenner give us? (a) the stethoscope (b) the first aeroplane (c) the smallpox vaccine (d) the printing press
  20. 20.True or false: a calculator helps us do sums quickly. (a) False (b) True
  21. 21.💡 Who gave us X-rays? (a) Alessandro Volta (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Wilhelm Röntgen
  22. 22.What does a clock help us do? (a) see tiny germs (b) tell the time (c) hear the heartbeat (d) find directions
  23. 23.💡 Who gave us the electric battery? (a) René Laennec (b) Louis Braille (c) Alexander Graham Bell (d) Alessandro Volta
  24. 24.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  25. 25.🔧 Which invention helps us talk to people far away? (a) telephone (b) stethoscope (c) printing press (d) telescope
  26. 26.True or false: a telephone helps us talk to people far away. (a) True (b) False
  27. 27.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  28. 28.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the printing press (c) the first aeroplane (d) the smallpox vaccine
  29. 29.What did Alexander Fleming give us? (a) X-rays (b) the telephone (c) penicillin (d) the first aeroplane
  30. 30.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  31. 31.True or false: a calculator helps us see tiny germs. (a) False (b) True
  32. 32.What did Alexander Graham Bell give us? (a) raised-dot writing (b) the first aeroplane (c) the electric battery (d) the telephone
  33. 33.What does a microscope help us do? (a) see tiny germs (b) measure body temperature (c) do sums quickly (d) see faraway stars
  34. 34.True or false: a printing press helps us talk to people far away. (a) True (b) False
  35. 35.What does a calculator help us do? (a) do sums quickly (b) talk to people far away (c) measure body temperature (d) print many books
  36. 36.True or false: a compass helps us do sums quickly. (a) True (b) False
  37. 37.What does a compass help us do? (a) see tiny germs (b) see faraway stars (c) find directions (d) measure body temperature
  38. 38.True or false: Johannes Gutenberg gave us the stethoscope. (a) True (b) False
  39. 39.What does a thermometer help us do? (a) see tiny germs (b) measure body temperature (c) talk to people far away (d) do sums quickly
  40. 40.True or false: Wilhelm Röntgen gave us the telephone. (a) True (b) False

Answer key

  1. Alexander Fleming
  2. hear the heartbeat
  3. the stethoscope
  4. René Laennec
  5. the electric battery
  6. False
  7. True
  8. the first aeroplane
  9. True
  10. True
  11. Edward Jenner
  12. True
  13. False
  14. True
  15. False
  16. True
  17. raised-dot writing
  18. compass
  19. the smallpox vaccine
  20. True
  21. Wilhelm Röntgen
  22. tell the time
  23. Alessandro Volta
  24. False
  25. telephone
  26. True
  27. True
  28. the printing press
  29. penicillin
  30. True
  31. False
  32. the telephone
  33. see tiny germs
  34. False
  35. do sums quickly
  36. False
  37. find directions
  38. False
  39. measure body temperature
  40. False

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