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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 333 · 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 telephone help us do? (a) print many books (b) see tiny germs (c) talk to people far away (d) measure body temperature
  2. 2.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  3. 3.💡 Who gave us X-rays? (a) Alexander Graham Bell (b) Edward Jenner (c) René Laennec (d) Wilhelm Röntgen
  4. 4.What does a calculator help us do? (a) do sums quickly (b) talk to people far away (c) find directions (d) tell the time
  5. 5.What did Louis Braille give us? (a) the telephone (b) the first aeroplane (c) the stethoscope (d) raised-dot writing
  6. 6.💡 Who gave us penicillin? (a) René Laennec (b) Alexander Fleming (c) Wilhelm Röntgen (d) the Wright brothers
  7. 7.🔧 Which invention helps us see tiny germs? (a) printing press (b) calculator (c) microscope (d) thermometer
  8. 8.🔧 Which invention helps us do sums quickly? (a) thermometer (b) stethoscope (c) telescope (d) calculator
  9. 9.What did Edward Jenner give us? (a) the telephone (b) the stethoscope (c) X-rays (d) the smallpox vaccine
  10. 10.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) the Wright brothers (c) Alessandro Volta (d) Louis Braille
  11. 11.What does a clock help us do? (a) measure body temperature (b) print many books (c) do sums quickly (d) tell the time
  12. 12.🔧 Which invention helps us see faraway stars? (a) telephone (b) printing press (c) compass (d) telescope
  13. 13.What does a telescope help us do? (a) hear the heartbeat (b) measure body temperature (c) see faraway stars (d) talk to people far away
  14. 14.💡 Who gave us the smallpox vaccine? (a) Alessandro Volta (b) Alexander Fleming (c) René Laennec (d) Edward Jenner
  15. 15.What did Alexander Fleming give us? (a) penicillin (b) the stethoscope (c) raised-dot writing (d) the telephone
  16. 16.True or false: a telescope helps us see faraway stars. (a) False (b) True
  17. 17.🔧 Which invention helps us print many books? (a) clock (b) printing press (c) compass (d) telephone
  18. 18.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  19. 19.What did Wilhelm Röntgen give us? (a) the smallpox vaccine (b) the telephone (c) the electric battery (d) X-rays
  20. 20.True or false: a clock helps us tell the time. (a) True (b) False
  21. 21.True or false: a printing press helps us talk to people far away. (a) False (b) True
  22. 22.True or false: a stethoscope helps us see tiny germs. (a) False (b) True
  23. 23.True or false: a telephone helps us hear the heartbeat. (a) True (b) False
  24. 24.💡 Who gave us the electric battery? (a) René Laennec (b) Johannes Gutenberg (c) Alessandro Volta (d) Alexander Graham Bell
  25. 25.True or false: a clock helps us talk to people far away. (a) True (b) False
  26. 26.True or false: a clock helps us see tiny germs. (a) True (b) False
  27. 27.💡 Who gave us the printing press? (a) Alessandro Volta (b) Alexander Graham Bell (c) the Wright brothers (d) Johannes Gutenberg
  28. 28.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Edward Jenner (c) Johannes Gutenberg (d) Alexander Graham Bell
  29. 29.True or false: a telescope helps us measure body temperature. (a) False (b) True
  30. 30.True or false: a printing press helps us measure body temperature. (a) True (b) False
  31. 31.True or false: a microscope helps us see tiny germs. (a) False (b) True
  32. 32.True or false: Alexander Fleming gave us the first aeroplane. (a) False (b) True
  33. 33.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) compass (c) thermometer (d) clock
  34. 34.🔧 Which invention helps us talk to people far away? (a) printing press (b) stethoscope (c) thermometer (d) telephone
  35. 35.What did Alessandro Volta give us? (a) X-rays (b) the printing press (c) the electric battery (d) penicillin
  36. 36.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) False (b) True
  37. 37.What did Johannes Gutenberg give us? (a) the first aeroplane (b) raised-dot writing (c) the printing press (d) the electric battery
  38. 38.True or false: Edward Jenner gave us raised-dot writing. (a) False (b) True
  39. 39.True or false: a compass helps us hear the heartbeat. (a) False (b) True
  40. 40.True or false: René Laennec gave us the stethoscope. (a) True (b) False

Answer key

  1. talk to people far away
  2. True
  3. Wilhelm Röntgen
  4. do sums quickly
  5. raised-dot writing
  6. Alexander Fleming
  7. microscope
  8. calculator
  9. the smallpox vaccine
  10. Alexander Graham Bell
  11. tell the time
  12. telescope
  13. see faraway stars
  14. Edward Jenner
  15. penicillin
  16. True
  17. printing press
  18. True
  19. X-rays
  20. True
  21. False
  22. False
  23. False
  24. Alessandro Volta
  25. False
  26. False
  27. Johannes Gutenberg
  28. the Wright brothers
  29. False
  30. False
  31. True
  32. False
  33. stethoscope
  34. telephone
  35. the electric battery
  36. False
  37. the printing press
  38. False
  39. False
  40. True

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