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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 642 · 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 microscope help us do? (a) hear the heartbeat (b) see faraway stars (c) tell the time (d) see tiny germs
  2. 2.True or false: a telescope helps us see faraway stars. (a) False (b) True
  3. 3.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Louis Braille (c) Edward Jenner (d) René Laennec
  4. 4.What did Alessandro Volta give us? (a) the telephone (b) the electric battery (c) the first aeroplane (d) penicillin
  5. 5.True or false: a compass helps us do sums quickly. (a) True (b) False
  6. 6.What does a stethoscope help us do? (a) hear the heartbeat (b) see tiny germs (c) see faraway stars (d) tell the time
  7. 7.💡 Who gave us the electric battery? (a) Alexander Fleming (b) the Wright brothers (c) Alessandro Volta (d) René Laennec
  8. 8.True or false: Johannes Gutenberg gave us penicillin. (a) True (b) False
  9. 9.💡 Who gave us penicillin? (a) Alexander Fleming (b) Louis Braille (c) Alessandro Volta (d) Alexander Graham Bell
  10. 10.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) telephone (c) microscope (d) telescope
  11. 11.🔧 Which invention helps us see faraway stars? (a) calculator (b) printing press (c) telescope (d) compass
  12. 12.True or false: a clock helps us tell the time. (a) True (b) False
  13. 13.True or false: a printing press helps us find directions. (a) True (b) False
  14. 14.🔧 Which invention helps us find directions? (a) telephone (b) compass (c) printing press (d) microscope
  15. 15.What did Louis Braille give us? (a) X-rays (b) the smallpox vaccine (c) the electric battery (d) raised-dot writing
  16. 16.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) the Wright brothers
  17. 17.True or false: a compass helps us talk to people far away. (a) True (b) False
  18. 18.What does a compass help us do? (a) measure body temperature (b) see tiny germs (c) hear the heartbeat (d) find directions
  19. 19.True or false: a compass helps us measure body temperature. (a) False (b) True
  20. 20.True or false: a printing press helps us print many books. (a) True (b) False
  21. 21.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  22. 22.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  23. 23.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Edward Jenner (c) Alessandro Volta (d) Alexander Graham Bell
  24. 24.True or false: Alexander Graham Bell gave us the smallpox vaccine. (a) False (b) True
  25. 25.🔧 Which invention helps us do sums quickly? (a) clock (b) stethoscope (c) printing press (d) calculator
  26. 26.What did Alexander Fleming give us? (a) the telephone (b) X-rays (c) raised-dot writing (d) penicillin
  27. 27.What does a clock help us do? (a) tell the time (b) print many books (c) find directions (d) do sums quickly
  28. 28.True or false: a compass helps us find directions. (a) True (b) False
  29. 29.🔧 Which invention helps us print many books? (a) telephone (b) telescope (c) printing press (d) calculator
  30. 30.What did Alexander Graham Bell give us? (a) the telephone (b) the smallpox vaccine (c) the first aeroplane (d) the printing press
  31. 31.What did René Laennec give us? (a) the printing press (b) the stethoscope (c) raised-dot writing (d) the smallpox vaccine
  32. 32.🔧 Which invention helps us talk to people far away? (a) compass (b) telephone (c) telescope (d) stethoscope
  33. 33.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True
  34. 34.What does a calculator help us do? (a) tell the time (b) talk to people far away (c) find directions (d) do sums quickly
  35. 35.What did the Wright brothers give us? (a) the telephone (b) the first aeroplane (c) X-rays (d) penicillin
  36. 36.True or false: Wilhelm Röntgen gave us the stethoscope. (a) True (b) False
  37. 37.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Wilhelm Röntgen (c) the Wright brothers (d) Edward Jenner
  38. 38.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  39. 39.🔧 Which invention helps us measure body temperature? (a) microscope (b) thermometer (c) printing press (d) compass
  40. 40.What did Edward Jenner give us? (a) the smallpox vaccine (b) the printing press (c) the telephone (d) the first aeroplane

Answer key

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

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