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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 578 · 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) False (b) True
  2. 2.What does a telescope help us do? (a) do sums quickly (b) see faraway stars (c) measure body temperature (d) hear the heartbeat
  3. 3.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  4. 4.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  5. 5.🔧 Which invention helps us talk to people far away? (a) microscope (b) compass (c) telephone (d) telescope
  6. 6.What did Johannes Gutenberg give us? (a) the smallpox vaccine (b) the electric battery (c) the telephone (d) the printing press
  7. 7.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Alexander Graham Bell (c) Edward Jenner (d) Alessandro Volta
  8. 8.What does a telephone help us do? (a) talk to people far away (b) print many books (c) tell the time (d) see faraway stars
  9. 9.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  10. 10.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  11. 11.What does a stethoscope help us do? (a) see faraway stars (b) do sums quickly (c) see tiny germs (d) hear the heartbeat
  12. 12.What does a calculator help us do? (a) print many books (b) see tiny germs (c) hear the heartbeat (d) do sums quickly
  13. 13.🔧 Which invention helps us see faraway stars? (a) telephone (b) microscope (c) telescope (d) stethoscope
  14. 14.🔧 Which invention helps us see tiny germs? (a) printing press (b) telephone (c) microscope (d) clock
  15. 15.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  16. 16.💡 Who gave us the printing press? (a) Alexander Fleming (b) the Wright brothers (c) Edward Jenner (d) Johannes Gutenberg
  17. 17.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alexander Fleming (c) the Wright brothers (d) Alessandro Volta
  18. 18.True or false: René Laennec gave us the printing press. (a) True (b) False
  19. 19.What does a clock help us do? (a) measure body temperature (b) do sums quickly (c) print many books (d) tell the time
  20. 20.True or false: Alexander Fleming gave us the printing press. (a) True (b) False
  21. 21.What did Wilhelm Röntgen give us? (a) the telephone (b) X-rays (c) raised-dot writing (d) the smallpox vaccine
  22. 22.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Louis Braille (d) René Laennec
  23. 23.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  24. 24.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) compass (c) printing press (d) calculator
  25. 25.What does a printing press help us do? (a) do sums quickly (b) see tiny germs (c) tell the time (d) print many books
  26. 26.True or false: a telephone helps us measure body temperature. (a) True (b) False
  27. 27.What does a compass help us do? (a) see faraway stars (b) do sums quickly (c) talk to people far away (d) find directions
  28. 28.What did Alessandro Volta give us? (a) the stethoscope (b) raised-dot writing (c) the smallpox vaccine (d) the electric battery
  29. 29.True or false: a clock helps us tell the time. (a) False (b) True
  30. 30.True or false: Alessandro Volta gave us raised-dot writing. (a) False (b) True
  31. 31.What did René Laennec give us? (a) the stethoscope (b) the first aeroplane (c) the telephone (d) the printing press
  32. 32.True or false: a telescope helps us find directions. (a) False (b) True
  33. 33.🔧 Which invention helps us hear the heartbeat? (a) compass (b) stethoscope (c) telephone (d) thermometer
  34. 34.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  35. 35.🔧 Which invention helps us find directions? (a) stethoscope (b) compass (c) thermometer (d) clock
  36. 36.True or false: a telephone helps us hear the heartbeat. (a) True (b) False
  37. 37.True or false: Louis Braille gave us the printing press. (a) False (b) True
  38. 38.What does a microscope help us do? (a) see tiny germs (b) tell the time (c) do sums quickly (d) hear the heartbeat
  39. 39.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  40. 40.True or false: Alexander Fleming gave us the smallpox vaccine. (a) True (b) False

Answer key

  1. True
  2. see faraway stars
  3. True
  4. True
  5. telephone
  6. the printing press
  7. Edward Jenner
  8. talk to people far away
  9. False
  10. True
  11. hear the heartbeat
  12. do sums quickly
  13. telescope
  14. microscope
  15. True
  16. Johannes Gutenberg
  17. Alexander Graham Bell
  18. False
  19. tell the time
  20. False
  21. X-rays
  22. Louis Braille
  23. True
  24. calculator
  25. print many books
  26. False
  27. find directions
  28. the electric battery
  29. True
  30. False
  31. the stethoscope
  32. False
  33. stethoscope
  34. True
  35. compass
  36. False
  37. False
  38. see tiny germs
  39. True
  40. False

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