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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 95 · 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 hear the heartbeat? (a) thermometer (b) stethoscope (c) calculator (d) printing press
  2. 2.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  3. 3.True or false: a thermometer helps us find directions. (a) True (b) False
  4. 4.🔧 Which invention helps us see tiny germs? (a) calculator (b) microscope (c) printing press (d) telescope
  5. 5.🔧 Which invention helps us measure body temperature? (a) printing press (b) clock (c) thermometer (d) stethoscope
  6. 6.What did Alexander Fleming give us? (a) raised-dot writing (b) penicillin (c) the telephone (d) the electric battery
  7. 7.🔧 Which invention helps us see faraway stars? (a) thermometer (b) telescope (c) printing press (d) compass
  8. 8.What does a telephone help us do? (a) do sums quickly (b) hear the heartbeat (c) talk to people far away (d) measure body temperature
  9. 9.💡 Who gave us X-rays? (a) Alexander Fleming (b) Louis Braille (c) Alexander Graham Bell (d) Wilhelm Röntgen
  10. 10.True or false: a compass helps us find directions. (a) False (b) True
  11. 11.True or false: Louis Braille gave us the electric battery. (a) False (b) True
  12. 12.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) Alexander Fleming (c) Edward Jenner (d) Alessandro Volta
  13. 13.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) Edward Jenner (c) Johannes Gutenberg (d) the Wright brothers
  14. 14.What does a clock help us do? (a) see faraway stars (b) see tiny germs (c) find directions (d) tell the time
  15. 15.What did Louis Braille give us? (a) the smallpox vaccine (b) raised-dot writing (c) the electric battery (d) the first aeroplane
  16. 16.True or false: a telephone helps us talk to people far away. (a) False (b) True
  17. 17.What does a compass help us do? (a) do sums quickly (b) see tiny germs (c) print many books (d) find directions
  18. 18.🔧 Which invention helps us find directions? (a) calculator (b) compass (c) printing press (d) telephone
  19. 19.True or false: a calculator helps us do sums quickly. (a) False (b) True
  20. 20.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Louis Braille (c) René Laennec (d) Wilhelm Röntgen
  21. 21.💡 Who gave us the telephone? (a) the Wright brothers (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Alexander Fleming
  22. 22.What did the Wright brothers give us? (a) the printing press (b) the first aeroplane (c) X-rays (d) penicillin
  23. 23.🔧 Which invention helps us tell the time? (a) calculator (b) clock (c) thermometer (d) telephone
  24. 24.True or false: a clock helps us hear the heartbeat. (a) False (b) True
  25. 25.True or false: a clock helps us tell the time. (a) False (b) True
  26. 26.💡 Who gave us the electric battery? (a) Alexander Fleming (b) René Laennec (c) Wilhelm Röntgen (d) Alessandro Volta
  27. 27.True or false: Edward Jenner gave us the first aeroplane. (a) False (b) True
  28. 28.True or false: a microscope helps us find directions. (a) True (b) False
  29. 29.What does a stethoscope help us do? (a) measure body temperature (b) do sums quickly (c) talk to people far away (d) hear the heartbeat
  30. 30.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  31. 31.🔧 Which invention helps us print many books? (a) calculator (b) clock (c) microscope (d) printing press
  32. 32.True or false: Edward Jenner gave us the electric battery. (a) True (b) False
  33. 33.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  34. 34.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  35. 35.True or false: a compass helps us see faraway stars. (a) False (b) True
  36. 36.What did René Laennec give us? (a) the stethoscope (b) the first aeroplane (c) the printing press (d) X-rays
  37. 37.What did Johannes Gutenberg give us? (a) the printing press (b) penicillin (c) X-rays (d) the smallpox vaccine
  38. 38.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  39. 39.True or false: a microscope helps us talk to people far away. (a) False (b) True
  40. 40.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True

Answer key

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

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