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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 103 · 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 do sums quickly? (a) printing press (b) compass (c) calculator (d) stethoscope
  2. 2.What does a printing press help us do? (a) do sums quickly (b) see tiny germs (c) print many books (d) see faraway stars
  3. 3.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) Alessandro Volta (c) René Laennec (d) Alexander Fleming
  4. 4.True or false: Johannes Gutenberg gave us the first aeroplane. (a) False (b) True
  5. 5.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  6. 6.True or false: a clock helps us talk to people far away. (a) True (b) False
  7. 7.🔧 Which invention helps us see faraway stars? (a) microscope (b) stethoscope (c) telescope (d) printing press
  8. 8.What did Alexander Fleming give us? (a) raised-dot writing (b) X-rays (c) the stethoscope (d) penicillin
  9. 9.True or false: a telescope helps us talk to people far away. (a) True (b) False
  10. 10.What does a clock help us do? (a) hear the heartbeat (b) see faraway stars (c) measure body temperature (d) tell the time
  11. 11.What does a telephone help us do? (a) print many books (b) talk to people far away (c) tell the time (d) hear the heartbeat
  12. 12.💡 Who gave us the smallpox vaccine? (a) René Laennec (b) Edward Jenner (c) Wilhelm Röntgen (d) Alexander Graham Bell
  13. 13.True or false: a telescope helps us see faraway stars. (a) False (b) True
  14. 14.What does a stethoscope help us do? (a) hear the heartbeat (b) talk to people far away (c) tell the time (d) see tiny germs
  15. 15.True or false: a compass helps us find directions. (a) True (b) False
  16. 16.What did Wilhelm Röntgen give us? (a) X-rays (b) raised-dot writing (c) the electric battery (d) the telephone
  17. 17.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  18. 18.True or false: a microscope helps us tell the time. (a) False (b) True
  19. 19.What does a calculator help us do? (a) see faraway stars (b) do sums quickly (c) find directions (d) see tiny germs
  20. 20.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  21. 21.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Louis Braille (c) Edward Jenner (d) Alessandro Volta
  22. 22.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alessandro Volta (c) Alexander Graham Bell (d) Edward Jenner
  23. 23.True or false: a telephone helps us talk to people far away. (a) True (b) False
  24. 24.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  25. 25.What did the Wright brothers give us? (a) the telephone (b) the stethoscope (c) the smallpox vaccine (d) the first aeroplane
  26. 26.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) compass (c) microscope (d) telephone
  27. 27.True or false: a clock helps us see tiny germs. (a) True (b) False
  28. 28.🔧 Which invention helps us find directions? (a) printing press (b) telephone (c) compass (d) clock
  29. 29.What did Alessandro Volta give us? (a) the printing press (b) the electric battery (c) the stethoscope (d) raised-dot writing
  30. 30.True or false: Alessandro Volta gave us the telephone. (a) True (b) False
  31. 31.What does a microscope help us do? (a) hear the heartbeat (b) tell the time (c) see tiny germs (d) print many books
  32. 32.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  33. 33.True or false: a microscope helps us talk to people far away. (a) True (b) False
  34. 34.💡 Who gave us penicillin? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Alexander Fleming
  35. 35.What does a compass help us do? (a) see tiny germs (b) see faraway stars (c) do sums quickly (d) find directions
  36. 36.What does a thermometer help us do? (a) measure body temperature (b) tell the time (c) talk to people far away (d) find directions
  37. 37.What did Edward Jenner give us? (a) raised-dot writing (b) the smallpox vaccine (c) X-rays (d) the first aeroplane
  38. 38.True or false: a compass helps us do sums quickly. (a) True (b) False
  39. 39.True or false: a printing press helps us print many books. (a) False (b) True
  40. 40.True or false: the Wright brothers gave us the stethoscope. (a) False (b) True

Answer key

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

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