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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 469 · 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.True or false: a microscope helps us measure body temperature. (a) False (b) True
  2. 2.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  3. 3.What does a stethoscope help us do? (a) hear the heartbeat (b) tell the time (c) do sums quickly (d) measure body temperature
  4. 4.💡 Who gave us the printing press? (a) the Wright brothers (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Alessandro Volta
  5. 5.True or false: a printing press helps us see tiny germs. (a) True (b) False
  6. 6.What does a telephone help us do? (a) hear the heartbeat (b) talk to people far away (c) tell the time (d) see faraway stars
  7. 7.💡 Who gave us X-rays? (a) Edward Jenner (b) René Laennec (c) Alexander Graham Bell (d) Wilhelm Röntgen
  8. 8.True or false: a calculator helps us do sums quickly. (a) True (b) False
  9. 9.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  10. 10.🔧 Which invention helps us talk to people far away? (a) printing press (b) telephone (c) thermometer (d) compass
  11. 11.True or false: a printing press helps us do sums quickly. (a) False (b) True
  12. 12.What does a microscope help us do? (a) do sums quickly (b) tell the time (c) measure body temperature (d) see tiny germs
  13. 13.What did Wilhelm Röntgen give us? (a) penicillin (b) X-rays (c) the smallpox vaccine (d) the first aeroplane
  14. 14.What did the Wright brothers give us? (a) the electric battery (b) the printing press (c) the smallpox vaccine (d) the first aeroplane
  15. 15.What did Alessandro Volta give us? (a) raised-dot writing (b) X-rays (c) penicillin (d) the electric battery
  16. 16.True or false: René Laennec gave us the stethoscope. (a) False (b) True
  17. 17.True or false: a telescope helps us see faraway stars. (a) True (b) False
  18. 18.True or false: a microscope helps us find directions. (a) False (b) True
  19. 19.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  20. 20.True or false: a compass helps us hear the heartbeat. (a) False (b) True
  21. 21.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) calculator (c) clock (d) telephone
  22. 22.What does a thermometer help us do? (a) measure body temperature (b) tell the time (c) see faraway stars (d) hear the heartbeat
  23. 23.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  24. 24.💡 Who gave us the electric battery? (a) Alexander Graham Bell (b) Alexander Fleming (c) Alessandro Volta (d) Louis Braille
  25. 25.💡 Who gave us the telephone? (a) Edward Jenner (b) Alexander Fleming (c) the Wright brothers (d) Alexander Graham Bell
  26. 26.🔧 Which invention helps us see tiny germs? (a) stethoscope (b) thermometer (c) microscope (d) calculator
  27. 27.🔧 Which invention helps us see faraway stars? (a) thermometer (b) telephone (c) clock (d) telescope
  28. 28.True or false: Edward Jenner gave us penicillin. (a) True (b) False
  29. 29.True or false: Alessandro Volta gave us the telephone. (a) True (b) False
  30. 30.True or false: Edward Jenner gave us X-rays. (a) False (b) True
  31. 31.True or false: a telescope helps us tell the time. (a) False (b) True
  32. 32.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) the Wright brothers (c) Alexander Fleming (d) Louis Braille
  33. 33.True or false: a printing press helps us talk to people far away. (a) False (b) True
  34. 34.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  35. 35.True or false: Wilhelm Röntgen gave us the electric battery. (a) False (b) True
  36. 36.True or false: Johannes Gutenberg gave us raised-dot writing. (a) False (b) True
  37. 37.True or false: Alexander Graham Bell gave us raised-dot writing. (a) True (b) False
  38. 38.💡 Who gave us penicillin? (a) Alexander Fleming (b) Johannes Gutenberg (c) Alessandro Volta (d) René Laennec
  39. 39.What did René Laennec give us? (a) the printing press (b) the smallpox vaccine (c) the telephone (d) the stethoscope
  40. 40.What does a calculator help us do? (a) talk to people far away (b) hear the heartbeat (c) see tiny germs (d) do sums quickly

Answer key

  1. False
  2. True
  3. hear the heartbeat
  4. Johannes Gutenberg
  5. False
  6. talk to people far away
  7. Wilhelm Röntgen
  8. True
  9. True
  10. telephone
  11. False
  12. see tiny germs
  13. X-rays
  14. the first aeroplane
  15. the electric battery
  16. True
  17. True
  18. False
  19. True
  20. False
  21. stethoscope
  22. measure body temperature
  23. True
  24. Alessandro Volta
  25. Alexander Graham Bell
  26. microscope
  27. telescope
  28. False
  29. False
  30. False
  31. False
  32. Louis Braille
  33. False
  34. True
  35. False
  36. False
  37. False
  38. Alexander Fleming
  39. the stethoscope
  40. do sums quickly

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