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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 176 · 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 calculator helps us tell the time. (a) False (b) True
  2. 2.💡 Who gave us the smallpox vaccine? (a) René Laennec (b) Edward Jenner (c) Alexander Graham Bell (d) Wilhelm Röntgen
  3. 3.🔧 Which invention helps us find directions? (a) calculator (b) printing press (c) compass (d) telescope
  4. 4.True or false: Johannes Gutenberg gave us the stethoscope. (a) True (b) False
  5. 5.🔧 Which invention helps us hear the heartbeat? (a) clock (b) telescope (c) printing press (d) stethoscope
  6. 6.What did Johannes Gutenberg give us? (a) raised-dot writing (b) the stethoscope (c) the printing press (d) penicillin
  7. 7.💡 Who gave us the stethoscope? (a) Edward Jenner (b) Wilhelm Röntgen (c) Louis Braille (d) René Laennec
  8. 8.True or false: a clock helps us talk to people far away. (a) False (b) True
  9. 9.True or false: a stethoscope helps us measure body temperature. (a) True (b) False
  10. 10.What did Alexander Fleming give us? (a) the electric battery (b) the smallpox vaccine (c) X-rays (d) penicillin
  11. 11.True or false: René Laennec gave us X-rays. (a) False (b) True
  12. 12.True or false: a compass helps us find directions. (a) True (b) False
  13. 13.True or false: a compass helps us measure body temperature. (a) False (b) True
  14. 14.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  15. 15.True or false: a clock helps us tell the time. (a) False (b) True
  16. 16.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) Alexander Fleming (c) Louis Braille (d) the Wright brothers
  17. 17.💡 Who gave us the telephone? (a) the Wright brothers (b) Johannes Gutenberg (c) Alexander Graham Bell (d) René Laennec
  18. 18.True or false: a thermometer helps us tell the time. (a) False (b) True
  19. 19.True or false: Johannes Gutenberg gave us X-rays. (a) True (b) False
  20. 20.True or false: Wilhelm Röntgen gave us the stethoscope. (a) True (b) False
  21. 21.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  22. 22.🔧 Which invention helps us talk to people far away? (a) printing press (b) compass (c) telephone (d) clock
  23. 23.🔧 Which invention helps us do sums quickly? (a) calculator (b) microscope (c) compass (d) clock
  24. 24.True or false: a printing press helps us measure body temperature. (a) True (b) False
  25. 25.💡 Who gave us the printing press? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Johannes Gutenberg (d) the Wright brothers
  26. 26.What did Alexander Graham Bell give us? (a) X-rays (b) the first aeroplane (c) the telephone (d) the electric battery
  27. 27.What did the Wright brothers give us? (a) the first aeroplane (b) penicillin (c) the printing press (d) the stethoscope
  28. 28.True or false: a telescope helps us see tiny germs. (a) False (b) True
  29. 29.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Edward Jenner (c) Alessandro Volta (d) Johannes Gutenberg
  30. 30.True or false: a printing press helps us do sums quickly. (a) True (b) False
  31. 31.True or false: Alexander Graham Bell gave us the electric battery. (a) False (b) True
  32. 32.True or false: a calculator helps us print many books. (a) False (b) True
  33. 33.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  34. 34.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  35. 35.What does a compass help us do? (a) measure body temperature (b) tell the time (c) find directions (d) see faraway stars
  36. 36.True or false: a telescope helps us see faraway stars. (a) True (b) False
  37. 37.🔧 Which invention helps us see faraway stars? (a) thermometer (b) telescope (c) stethoscope (d) printing press
  38. 38.What does a calculator help us do? (a) see tiny germs (b) do sums quickly (c) hear the heartbeat (d) talk to people far away
  39. 39.What did Alessandro Volta give us? (a) raised-dot writing (b) X-rays (c) the printing press (d) the electric battery
  40. 40.What does a microscope help us do? (a) measure body temperature (b) see tiny germs (c) talk to people far away (d) print many books

Answer key

  1. False
  2. Edward Jenner
  3. compass
  4. False
  5. stethoscope
  6. the printing press
  7. René Laennec
  8. False
  9. False
  10. penicillin
  11. False
  12. True
  13. False
  14. True
  15. True
  16. the Wright brothers
  17. Alexander Graham Bell
  18. False
  19. False
  20. False
  21. True
  22. telephone
  23. calculator
  24. False
  25. Johannes Gutenberg
  26. the telephone
  27. the first aeroplane
  28. False
  29. Alessandro Volta
  30. False
  31. False
  32. False
  33. True
  34. True
  35. find directions
  36. True
  37. telescope
  38. do sums quickly
  39. the electric battery
  40. see tiny germs

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