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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 589 · 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 talk to people far away? (a) telephone (b) telescope (c) thermometer (d) clock
  2. 2.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Alessandro Volta (d) Alexander Fleming
  3. 3.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  4. 4.True or false: a telescope helps us see faraway stars. (a) True (b) False
  5. 5.True or false: a calculator helps us tell the time. (a) True (b) False
  6. 6.🔧 Which invention helps us find directions? (a) thermometer (b) clock (c) compass (d) telephone
  7. 7.True or false: Wilhelm Röntgen gave us the printing press. (a) False (b) True
  8. 8.💡 Who gave us the stethoscope? (a) René Laennec (b) Edward Jenner (c) the Wright brothers (d) Alexander Graham Bell
  9. 9.🔧 Which invention helps us do sums quickly? (a) calculator (b) telephone (c) thermometer (d) printing press
  10. 10.What did Edward Jenner give us? (a) the smallpox vaccine (b) the stethoscope (c) raised-dot writing (d) penicillin
  11. 11.🔧 Which invention helps us tell the time? (a) printing press (b) calculator (c) clock (d) microscope
  12. 12.What does a compass help us do? (a) see faraway stars (b) do sums quickly (c) find directions (d) tell the time
  13. 13.True or false: a telephone helps us talk to people far away. (a) True (b) False
  14. 14.🔧 Which invention helps us hear the heartbeat? (a) thermometer (b) telescope (c) stethoscope (d) clock
  15. 15.What does a thermometer help us do? (a) hear the heartbeat (b) measure body temperature (c) do sums quickly (d) tell the time
  16. 16.What did Alessandro Volta give us? (a) penicillin (b) raised-dot writing (c) the electric battery (d) the first aeroplane
  17. 17.🔧 Which invention helps us measure body temperature? (a) clock (b) stethoscope (c) thermometer (d) printing press
  18. 18.💡 Who gave us X-rays? (a) René Laennec (b) the Wright brothers (c) Wilhelm Röntgen (d) Edward Jenner
  19. 19.💡 Who gave us the telephone? (a) Alessandro Volta (b) the Wright brothers (c) Wilhelm Röntgen (d) Alexander Graham Bell
  20. 20.True or false: a compass helps us find directions. (a) True (b) False
  21. 21.🔧 Which invention helps us see tiny germs? (a) clock (b) telephone (c) microscope (d) calculator
  22. 22.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  23. 23.True or false: René Laennec gave us penicillin. (a) False (b) True
  24. 24.What does a telescope help us do? (a) see tiny germs (b) talk to people far away (c) find directions (d) see faraway stars
  25. 25.What did Alexander Graham Bell give us? (a) the first aeroplane (b) X-rays (c) raised-dot writing (d) the telephone
  26. 26.True or false: a clock helps us see tiny germs. (a) True (b) False
  27. 27.True or false: a calculator helps us do sums quickly. (a) True (b) False
  28. 28.True or false: a microscope helps us see tiny germs. (a) True (b) False
  29. 29.What did the Wright brothers give us? (a) the electric battery (b) the first aeroplane (c) the stethoscope (d) penicillin
  30. 30.True or false: Louis Braille gave us penicillin. (a) False (b) True
  31. 31.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  32. 32.True or false: Alexander Fleming gave us the telephone. (a) False (b) True
  33. 33.What did Louis Braille give us? (a) the electric battery (b) the stethoscope (c) raised-dot writing (d) the smallpox vaccine
  34. 34.True or false: a clock helps us find directions. (a) False (b) True
  35. 35.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) René Laennec (c) Edward Jenner (d) Alexander Fleming
  36. 36.🔧 Which invention helps us see faraway stars? (a) clock (b) microscope (c) telephone (d) telescope
  37. 37.What did René Laennec give us? (a) the stethoscope (b) X-rays (c) raised-dot writing (d) the smallpox vaccine
  38. 38.What did Alexander Fleming give us? (a) the smallpox vaccine (b) the stethoscope (c) penicillin (d) the first aeroplane
  39. 39.💡 Who gave us the first aeroplane? (a) Wilhelm Röntgen (b) René Laennec (c) Alessandro Volta (d) the Wright brothers
  40. 40.True or false: Wilhelm Röntgen gave us the stethoscope. (a) False (b) True

Answer key

  1. telephone
  2. Johannes Gutenberg
  3. True
  4. True
  5. False
  6. compass
  7. False
  8. René Laennec
  9. calculator
  10. the smallpox vaccine
  11. clock
  12. find directions
  13. True
  14. stethoscope
  15. measure body temperature
  16. the electric battery
  17. thermometer
  18. Wilhelm Röntgen
  19. Alexander Graham Bell
  20. True
  21. microscope
  22. True
  23. False
  24. see faraway stars
  25. the telephone
  26. False
  27. True
  28. True
  29. the first aeroplane
  30. False
  31. True
  32. False
  33. raised-dot writing
  34. False
  35. Edward Jenner
  36. telescope
  37. the stethoscope
  38. penicillin
  39. the Wright brothers
  40. False

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