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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 496 · 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.💡 Who gave us X-rays? (a) Alexander Fleming (b) Alexander Graham Bell (c) Louis Braille (d) Wilhelm Röntgen
  2. 2.True or false: a clock helps us tell the time. (a) True (b) False
  3. 3.What does a telescope help us do? (a) do sums quickly (b) see faraway stars (c) hear the heartbeat (d) find directions
  4. 4.What did Louis Braille give us? (a) the electric battery (b) penicillin (c) raised-dot writing (d) the stethoscope
  5. 5.What does a clock help us do? (a) tell the time (b) do sums quickly (c) see tiny germs (d) measure body temperature
  6. 6.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  7. 7.True or false: a telephone helps us talk to people far away. (a) False (b) True
  8. 8.What does a compass help us do? (a) find directions (b) talk to people far away (c) print many books (d) see faraway stars
  9. 9.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Alexander Graham Bell (c) Alexander Fleming (d) the Wright brothers
  10. 10.True or false: a thermometer helps us find directions. (a) True (b) False
  11. 11.What does a stethoscope help us do? (a) hear the heartbeat (b) tell the time (c) do sums quickly (d) measure body temperature
  12. 12.True or false: a compass helps us tell the time. (a) True (b) False
  13. 13.True or false: Alexander Fleming gave us the telephone. (a) True (b) False
  14. 14.True or false: Wilhelm Röntgen gave us the stethoscope. (a) False (b) True
  15. 15.What did Johannes Gutenberg give us? (a) the electric battery (b) the smallpox vaccine (c) penicillin (d) the printing press
  16. 16.What does a microscope help us do? (a) tell the time (b) see tiny germs (c) find directions (d) print many books
  17. 17.💡 Who gave us the electric battery? (a) Wilhelm Röntgen (b) Alessandro Volta (c) the Wright brothers (d) René Laennec
  18. 18.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) René Laennec (d) Edward Jenner
  19. 19.True or false: René Laennec gave us the telephone. (a) True (b) False
  20. 20.💡 Who gave us raised-dot writing? (a) Alexander Graham Bell (b) Alessandro Volta (c) Louis Braille (d) Wilhelm Röntgen
  21. 21.What does a telephone help us do? (a) measure body temperature (b) tell the time (c) talk to people far away (d) find directions
  22. 22.True or false: the Wright brothers gave us the electric battery. (a) True (b) False
  23. 23.True or false: a printing press helps us print many books. (a) False (b) True
  24. 24.🔧 Which invention helps us do sums quickly? (a) calculator (b) thermometer (c) printing press (d) telescope
  25. 25.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  26. 26.True or false: a microscope helps us see tiny germs. (a) False (b) True
  27. 27.True or false: Alexander Fleming gave us the smallpox vaccine. (a) True (b) False
  28. 28.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
  29. 29.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  30. 30.What did Wilhelm Röntgen give us? (a) X-rays (b) the telephone (c) penicillin (d) the smallpox vaccine
  31. 31.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  32. 32.True or false: a microscope helps us talk to people far away. (a) False (b) True
  33. 33.💡 Who gave us the printing press? (a) Alessandro Volta (b) Johannes Gutenberg (c) the Wright brothers (d) Alexander Fleming
  34. 34.What does a calculator help us do? (a) find directions (b) hear the heartbeat (c) measure body temperature (d) do sums quickly
  35. 35.💡 Who gave us penicillin? (a) the Wright brothers (b) Wilhelm Röntgen (c) Alexander Fleming (d) Johannes Gutenberg
  36. 36.🔧 Which invention helps us print many books? (a) compass (b) telescope (c) printing press (d) clock
  37. 37.What did the Wright brothers give us? (a) the smallpox vaccine (b) the first aeroplane (c) penicillin (d) the stethoscope
  38. 38.True or false: René Laennec gave us the smallpox vaccine. (a) False (b) True
  39. 39.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) printing press (c) thermometer (d) microscope
  40. 40.What did Alessandro Volta give us? (a) X-rays (b) the first aeroplane (c) the stethoscope (d) the electric battery

Answer key

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

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