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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 149 · 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 raised-dot writing? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Edward Jenner (d) Louis Braille
  2. 2.🔧 Which invention helps us see tiny germs? (a) microscope (b) printing press (c) clock (d) telescope
  3. 3.What does a calculator help us do? (a) find directions (b) do sums quickly (c) see tiny germs (d) print many books
  4. 4.💡 Who gave us the electric battery? (a) Wilhelm Röntgen (b) Alessandro Volta (c) the Wright brothers (d) Alexander Fleming
  5. 5.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  6. 6.🔧 Which invention helps us measure body temperature? (a) telephone (b) stethoscope (c) thermometer (d) calculator
  7. 7.True or false: a printing press helps us print many books. (a) True (b) False
  8. 8.What does a clock help us do? (a) tell the time (b) print many books (c) find directions (d) measure body temperature
  9. 9.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Louis Braille
  10. 10.True or false: a microscope helps us talk to people far away. (a) False (b) True
  11. 11.What does a stethoscope help us do? (a) find directions (b) measure body temperature (c) tell the time (d) hear the heartbeat
  12. 12.True or false: a telephone helps us measure body temperature. (a) False (b) True
  13. 13.What did Louis Braille give us? (a) the electric battery (b) the smallpox vaccine (c) X-rays (d) raised-dot writing
  14. 14.True or false: Edward Jenner gave us the telephone. (a) False (b) True
  15. 15.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  16. 16.True or false: a microscope helps us hear the heartbeat. (a) False (b) True
  17. 17.True or false: a stethoscope helps us find directions. (a) False (b) True
  18. 18.True or false: a clock helps us tell the time. (a) False (b) True
  19. 19.True or false: the Wright brothers gave us the smallpox vaccine. (a) False (b) True
  20. 20.What does a compass help us do? (a) print many books (b) find directions (c) talk to people far away (d) tell the time
  21. 21.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Edward Jenner (c) Alexander Graham Bell (d) Wilhelm Röntgen
  22. 22.🔧 Which invention helps us do sums quickly? (a) telescope (b) calculator (c) clock (d) compass
  23. 23.True or false: a compass helps us find directions. (a) False (b) True
  24. 24.🔧 Which invention helps us find directions? (a) printing press (b) compass (c) calculator (d) telescope
  25. 25.What did Edward Jenner give us? (a) penicillin (b) the printing press (c) the electric battery (d) the smallpox vaccine
  26. 26.True or false: a telescope helps us measure body temperature. (a) True (b) False
  27. 27.True or false: Edward Jenner gave us the electric battery. (a) True (b) False
  28. 28.True or false: Alexander Fleming gave us the first aeroplane. (a) True (b) False
  29. 29.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alexander Fleming (c) Alessandro Volta (d) Louis Braille
  30. 30.What did René Laennec give us? (a) X-rays (b) the stethoscope (c) the printing press (d) raised-dot writing
  31. 31.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  32. 32.🔧 Which invention helps us talk to people far away? (a) telephone (b) microscope (c) telescope (d) thermometer
  33. 33.What does a telephone help us do? (a) see tiny germs (b) print many books (c) talk to people far away (d) do sums quickly
  34. 34.True or false: a thermometer helps us talk to people far away. (a) True (b) False
  35. 35.True or false: Louis Braille gave us the telephone. (a) True (b) False
  36. 36.What did Alexander Fleming give us? (a) raised-dot writing (b) X-rays (c) penicillin (d) the printing press
  37. 37.True or false: Edward Jenner gave us X-rays. (a) True (b) False
  38. 38.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  39. 39.What did Johannes Gutenberg give us? (a) the electric battery (b) X-rays (c) the printing press (d) the smallpox vaccine
  40. 40.True or false: Wilhelm Röntgen gave us the smallpox vaccine. (a) False (b) True

Answer key

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

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