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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 797 · 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 find directions? (a) printing press (b) compass (c) telephone (d) stethoscope
  2. 2.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  3. 3.What did the Wright brothers give us? (a) penicillin (b) the stethoscope (c) the smallpox vaccine (d) the first aeroplane
  4. 4.What did Wilhelm Röntgen give us? (a) the telephone (b) the first aeroplane (c) X-rays (d) raised-dot writing
  5. 5.True or false: a microscope helps us see tiny germs. (a) True (b) False
  6. 6.🔧 Which invention helps us tell the time? (a) printing press (b) clock (c) calculator (d) microscope
  7. 7.💡 Who gave us the printing press? (a) Louis Braille (b) Edward Jenner (c) Johannes Gutenberg (d) Alexander Fleming
  8. 8.What did Louis Braille give us? (a) the stethoscope (b) penicillin (c) raised-dot writing (d) the smallpox vaccine
  9. 9.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) telephone (c) compass (d) stethoscope
  10. 10.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Wilhelm Röntgen (c) the Wright brothers (d) Johannes Gutenberg
  11. 11.💡 Who gave us the stethoscope? (a) the Wright brothers (b) Louis Braille (c) Alexander Graham Bell (d) René Laennec
  12. 12.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  13. 13.What did Johannes Gutenberg give us? (a) the telephone (b) raised-dot writing (c) the first aeroplane (d) the printing press
  14. 14.What did Alexander Graham Bell give us? (a) X-rays (b) the stethoscope (c) penicillin (d) the telephone
  15. 15.True or false: a printing press helps us print many books. (a) False (b) True
  16. 16.True or false: Edward Jenner gave us penicillin. (a) False (b) True
  17. 17.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  18. 18.True or false: a telephone helps us talk to people far away. (a) True (b) False
  19. 19.True or false: Wilhelm Röntgen gave us raised-dot writing. (a) True (b) False
  20. 20.True or false: a printing press helps us hear the heartbeat. (a) True (b) False
  21. 21.🔧 Which invention helps us see faraway stars? (a) microscope (b) clock (c) telescope (d) telephone
  22. 22.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) the Wright brothers (c) René Laennec (d) Alexander Fleming
  23. 23.True or false: a telescope helps us measure body temperature. (a) False (b) True
  24. 24.💡 Who gave us X-rays? (a) the Wright brothers (b) Wilhelm Röntgen (c) René Laennec (d) Louis Braille
  25. 25.True or false: Alexander Fleming gave us the telephone. (a) True (b) False
  26. 26.True or false: a calculator helps us tell the time. (a) True (b) False
  27. 27.True or false: a clock helps us find directions. (a) True (b) False
  28. 28.🔧 Which invention helps us see tiny germs? (a) clock (b) calculator (c) microscope (d) telescope
  29. 29.🔧 Which invention helps us talk to people far away? (a) microscope (b) thermometer (c) clock (d) telephone
  30. 30.What did René Laennec give us? (a) the stethoscope (b) the first aeroplane (c) the smallpox vaccine (d) penicillin
  31. 31.What did Edward Jenner give us? (a) penicillin (b) the smallpox vaccine (c) raised-dot writing (d) the telephone
  32. 32.What does a stethoscope help us do? (a) measure body temperature (b) do sums quickly (c) hear the heartbeat (d) talk to people far away
  33. 33.True or false: a calculator helps us do sums quickly. (a) False (b) True
  34. 34.What does a clock help us do? (a) measure body temperature (b) see faraway stars (c) see tiny germs (d) tell the time
  35. 35.What does a thermometer help us do? (a) hear the heartbeat (b) find directions (c) do sums quickly (d) measure body temperature
  36. 36.What does a compass help us do? (a) hear the heartbeat (b) do sums quickly (c) find directions (d) measure body temperature
  37. 37.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alessandro Volta (c) Edward Jenner (d) Johannes Gutenberg
  38. 38.True or false: Alexander Fleming gave us the printing press. (a) True (b) False
  39. 39.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  40. 40.What did Alessandro Volta give us? (a) raised-dot writing (b) penicillin (c) the telephone (d) the electric battery

Answer key

  1. compass
  2. True
  3. the first aeroplane
  4. X-rays
  5. True
  6. clock
  7. Johannes Gutenberg
  8. raised-dot writing
  9. stethoscope
  10. the Wright brothers
  11. René Laennec
  12. True
  13. the printing press
  14. the telephone
  15. True
  16. False
  17. True
  18. True
  19. False
  20. False
  21. telescope
  22. Alexander Fleming
  23. False
  24. Wilhelm Röntgen
  25. False
  26. False
  27. False
  28. microscope
  29. telephone
  30. the stethoscope
  31. the smallpox vaccine
  32. hear the heartbeat
  33. True
  34. tell the time
  35. measure body temperature
  36. find directions
  37. Alexander Graham Bell
  38. False
  39. True
  40. the electric battery

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