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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 356 · 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 the smallpox vaccine? (a) the Wright brothers (b) Edward Jenner (c) Wilhelm Röntgen (d) Alexander Fleming
  2. 2.🔧 Which invention helps us see tiny germs? (a) calculator (b) compass (c) microscope (d) stethoscope
  3. 3.True or false: a stethoscope helps us tell the time. (a) True (b) False
  4. 4.True or false: a telephone helps us hear the heartbeat. (a) True (b) False
  5. 5.True or false: a microscope helps us see tiny germs. (a) True (b) False
  6. 6.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  7. 7.True or false: Alessandro Volta gave us the first aeroplane. (a) False (b) True
  8. 8.🔧 Which invention helps us find directions? (a) clock (b) thermometer (c) compass (d) telescope
  9. 9.🔧 Which invention helps us talk to people far away? (a) compass (b) microscope (c) clock (d) telephone
  10. 10.🔧 Which invention helps us print many books? (a) telephone (b) printing press (c) stethoscope (d) compass
  11. 11.True or false: a telescope helps us see tiny germs. (a) True (b) False
  12. 12.What did René Laennec give us? (a) the smallpox vaccine (b) the first aeroplane (c) the electric battery (d) the stethoscope
  13. 13.What did Johannes Gutenberg give us? (a) the printing press (b) X-rays (c) the telephone (d) the smallpox vaccine
  14. 14.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  15. 15.What does a calculator help us do? (a) do sums quickly (b) see tiny germs (c) find directions (d) tell the time
  16. 16.What does a clock help us do? (a) hear the heartbeat (b) see faraway stars (c) tell the time (d) find directions
  17. 17.💡 Who gave us raised-dot writing? (a) Alexander Fleming (b) Louis Braille (c) Alessandro Volta (d) Wilhelm Röntgen
  18. 18.What did Louis Braille give us? (a) the telephone (b) penicillin (c) X-rays (d) raised-dot writing
  19. 19.True or false: a compass helps us find directions. (a) True (b) False
  20. 20.What does a thermometer help us do? (a) measure body temperature (b) hear the heartbeat (c) print many books (d) find directions
  21. 21.What does a stethoscope help us do? (a) tell the time (b) find directions (c) do sums quickly (d) hear the heartbeat
  22. 22.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True
  23. 23.What did Alexander Fleming give us? (a) penicillin (b) the telephone (c) the printing press (d) the stethoscope
  24. 24.True or false: a clock helps us tell the time. (a) False (b) True
  25. 25.True or false: Johannes Gutenberg gave us the electric battery. (a) False (b) True
  26. 26.True or false: René Laennec gave us the telephone. (a) False (b) True
  27. 27.🔧 Which invention helps us do sums quickly? (a) thermometer (b) telephone (c) clock (d) calculator
  28. 28.True or false: Wilhelm Röntgen gave us penicillin. (a) False (b) True
  29. 29.True or false: Alessandro Volta gave us the smallpox vaccine. (a) True (b) False
  30. 30.True or false: a calculator helps us do sums quickly. (a) False (b) True
  31. 31.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  32. 32.True or false: a microscope helps us hear the heartbeat. (a) False (b) True
  33. 33.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  34. 34.True or false: a stethoscope helps us find directions. (a) True (b) False
  35. 35.True or false: a telephone helps us do sums quickly. (a) False (b) True
  36. 36.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  37. 37.💡 Who gave us penicillin? (a) Louis Braille (b) the Wright brothers (c) Alessandro Volta (d) Alexander Fleming
  38. 38.🔧 Which invention helps us see faraway stars? (a) printing press (b) clock (c) calculator (d) telescope
  39. 39.What does a microscope help us do? (a) talk to people far away (b) see tiny germs (c) hear the heartbeat (d) find directions
  40. 40.What did the Wright brothers give us? (a) the telephone (b) X-rays (c) the smallpox vaccine (d) the first aeroplane

Answer key

  1. Edward Jenner
  2. microscope
  3. False
  4. False
  5. True
  6. True
  7. False
  8. compass
  9. telephone
  10. printing press
  11. False
  12. the stethoscope
  13. the printing press
  14. True
  15. do sums quickly
  16. tell the time
  17. Louis Braille
  18. raised-dot writing
  19. True
  20. measure body temperature
  21. hear the heartbeat
  22. False
  23. penicillin
  24. True
  25. False
  26. False
  27. calculator
  28. False
  29. False
  30. True
  31. True
  32. False
  33. True
  34. False
  35. False
  36. True
  37. Alexander Fleming
  38. telescope
  39. see tiny germs
  40. the first aeroplane

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