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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 837 · 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 clock helps us do sums quickly. (a) False (b) True
  2. 2.🔧 Which invention helps us print many books? (a) stethoscope (b) printing press (c) microscope (d) clock
  3. 3.What did Wilhelm Röntgen give us? (a) the first aeroplane (b) X-rays (c) the telephone (d) penicillin
  4. 4.💡 Who gave us the electric battery? (a) Wilhelm Röntgen (b) Alessandro Volta (c) Alexander Graham Bell (d) Johannes Gutenberg
  5. 5.What does a clock help us do? (a) talk to people far away (b) measure body temperature (c) tell the time (d) see tiny germs
  6. 6.True or false: a compass helps us do sums quickly. (a) False (b) True
  7. 7.What did Johannes Gutenberg give us? (a) the printing press (b) raised-dot writing (c) the telephone (d) the stethoscope
  8. 8.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Louis Braille (c) Alexander Fleming (d) Alexander Graham Bell
  9. 9.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Louis Braille (d) Alessandro Volta
  10. 10.What does a thermometer help us do? (a) find directions (b) talk to people far away (c) do sums quickly (d) measure body temperature
  11. 11.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  12. 12.What does a calculator help us do? (a) measure body temperature (b) talk to people far away (c) do sums quickly (d) hear the heartbeat
  13. 13.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  14. 14.True or false: Wilhelm Röntgen gave us penicillin. (a) False (b) True
  15. 15.🔧 Which invention helps us find directions? (a) telescope (b) clock (c) printing press (d) compass
  16. 16.True or false: a telephone helps us hear the heartbeat. (a) True (b) False
  17. 17.True or false: Alessandro Volta gave us the first aeroplane. (a) False (b) True
  18. 18.What did Alessandro Volta give us? (a) the smallpox vaccine (b) the stethoscope (c) the electric battery (d) raised-dot writing
  19. 19.What did Edward Jenner give us? (a) the smallpox vaccine (b) penicillin (c) raised-dot writing (d) the stethoscope
  20. 20.True or false: a telescope helps us see tiny germs. (a) False (b) True
  21. 21.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  22. 22.💡 Who gave us penicillin? (a) René Laennec (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Alexander Fleming
  23. 23.🔧 Which invention helps us see tiny germs? (a) printing press (b) thermometer (c) microscope (d) stethoscope
  24. 24.True or false: a printing press helps us do sums quickly. (a) True (b) False
  25. 25.True or false: a printing press helps us print many books. (a) False (b) True
  26. 26.🔧 Which invention helps us talk to people far away? (a) calculator (b) telephone (c) telescope (d) thermometer
  27. 27.💡 Who gave us the telephone? (a) Edward Jenner (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Alexander Fleming
  28. 28.What does a telephone help us do? (a) talk to people far away (b) see faraway stars (c) measure body temperature (d) hear the heartbeat
  29. 29.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alexander Fleming (c) Edward Jenner (d) Wilhelm Röntgen
  30. 30.What does a microscope help us do? (a) see tiny germs (b) hear the heartbeat (c) do sums quickly (d) measure body temperature
  31. 31.True or false: Alexander Fleming gave us raised-dot writing. (a) True (b) False
  32. 32.What did Alexander Fleming give us? (a) the printing press (b) penicillin (c) the first aeroplane (d) the electric battery
  33. 33.🔧 Which invention helps us see faraway stars? (a) compass (b) telephone (c) clock (d) telescope
  34. 34.True or false: Louis Braille gave us the smallpox vaccine. (a) False (b) True
  35. 35.🔧 Which invention helps us measure body temperature? (a) telephone (b) thermometer (c) telescope (d) stethoscope
  36. 36.What does a compass help us do? (a) measure body temperature (b) print many books (c) do sums quickly (d) find directions
  37. 37.True or false: René Laennec gave us the electric battery. (a) False (b) True
  38. 38.🔧 Which invention helps us tell the time? (a) telescope (b) clock (c) thermometer (d) compass
  39. 39.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  40. 40.What did Alexander Graham Bell give us? (a) X-rays (b) the stethoscope (c) the printing press (d) the telephone

Answer key

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

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