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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 791 · 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.🔧 Which invention helps us hear the heartbeat? (a) clock (b) stethoscope (c) printing press (d) microscope
  2. 2.What did Louis Braille give us? (a) the first aeroplane (b) raised-dot writing (c) the electric battery (d) the telephone
  3. 3.True or false: a telephone helps us find directions. (a) True (b) False
  4. 4.What did Edward Jenner give us? (a) the stethoscope (b) the smallpox vaccine (c) the electric battery (d) X-rays
  5. 5.True or false: Alexander Fleming gave us the printing press. (a) True (b) False
  6. 6.What did Alexander Fleming give us? (a) the printing press (b) penicillin (c) X-rays (d) the electric battery
  7. 7.💡 Who gave us the telephone? (a) Louis Braille (b) the Wright brothers (c) Alexander Fleming (d) Alexander Graham Bell
  8. 8.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) the Wright brothers (d) Alexander Graham Bell
  9. 9.What does a calculator help us do? (a) see tiny germs (b) tell the time (c) do sums quickly (d) see faraway stars
  10. 10.What does a clock help us do? (a) find directions (b) talk to people far away (c) measure body temperature (d) tell the time
  11. 11.💡 Who gave us raised-dot writing? (a) the Wright brothers (b) Louis Braille (c) René Laennec (d) Edward Jenner
  12. 12.True or false: Wilhelm Röntgen gave us the printing press. (a) False (b) True
  13. 13.What did Johannes Gutenberg give us? (a) the stethoscope (b) the first aeroplane (c) the printing press (d) the electric battery
  14. 14.True or false: a thermometer helps us see faraway stars. (a) True (b) False
  15. 15.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) the Wright brothers (c) Alexander Fleming (d) Louis Braille
  16. 16.💡 Who gave us the printing press? (a) the Wright brothers (b) Alessandro Volta (c) René Laennec (d) Johannes Gutenberg
  17. 17.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) the printing press (c) penicillin (d) X-rays
  18. 18.What did the Wright brothers give us? (a) the first aeroplane (b) the printing press (c) the stethoscope (d) the electric battery
  19. 19.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  20. 20.🔧 Which invention helps us do sums quickly? (a) calculator (b) microscope (c) printing press (d) compass
  21. 21.What did René Laennec give us? (a) the first aeroplane (b) the stethoscope (c) the electric battery (d) the smallpox vaccine
  22. 22.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  23. 23.🔧 Which invention helps us print many books? (a) thermometer (b) compass (c) clock (d) printing press
  24. 24.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  25. 25.True or false: a compass helps us do sums quickly. (a) False (b) True
  26. 26.True or false: a microscope helps us see tiny germs. (a) False (b) True
  27. 27.🔧 Which invention helps us see faraway stars? (a) microscope (b) stethoscope (c) telescope (d) thermometer
  28. 28.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  29. 29.True or false: René Laennec gave us the electric battery. (a) True (b) False
  30. 30.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  31. 31.True or false: Louis Braille gave us the printing press. (a) True (b) False
  32. 32.True or false: Edward Jenner gave us the printing press. (a) False (b) True
  33. 33.True or false: Alexander Fleming gave us the first aeroplane. (a) True (b) False
  34. 34.True or false: Louis Braille gave us the smallpox vaccine. (a) True (b) False
  35. 35.What does a compass help us do? (a) tell the time (b) talk to people far away (c) see tiny germs (d) find directions
  36. 36.True or false: a microscope helps us do sums quickly. (a) True (b) False
  37. 37.🔧 Which invention helps us find directions? (a) compass (b) microscope (c) thermometer (d) telescope
  38. 38.💡 Who gave us the smallpox vaccine? (a) the Wright brothers (b) Johannes Gutenberg (c) Louis Braille (d) Edward Jenner
  39. 39.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  40. 40.True or false: a compass helps us talk to people far away. (a) False (b) True

Answer key

  1. stethoscope
  2. raised-dot writing
  3. False
  4. the smallpox vaccine
  5. False
  6. penicillin
  7. Alexander Graham Bell
  8. Wilhelm Röntgen
  9. do sums quickly
  10. tell the time
  11. Louis Braille
  12. False
  13. the printing press
  14. False
  15. Alexander Fleming
  16. Johannes Gutenberg
  17. X-rays
  18. the first aeroplane
  19. True
  20. calculator
  21. the stethoscope
  22. True
  23. printing press
  24. True
  25. False
  26. True
  27. telescope
  28. True
  29. False
  30. True
  31. False
  32. False
  33. False
  34. False
  35. find directions
  36. False
  37. compass
  38. Edward Jenner
  39. True
  40. False

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