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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 805 · 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.What does a calculator help us do? (a) hear the heartbeat (b) do sums quickly (c) tell the time (d) talk to people far away
  2. 2.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) telephone (c) stethoscope (d) clock
  3. 3.True or false: a telescope helps us see faraway stars. (a) True (b) False
  4. 4.True or false: Alessandro Volta gave us penicillin. (a) True (b) False
  5. 5.What does a stethoscope help us do? (a) find directions (b) see faraway stars (c) hear the heartbeat (d) tell the time
  6. 6.💡 Who gave us the telephone? (a) Louis Braille (b) Alexander Fleming (c) Alexander Graham Bell (d) Johannes Gutenberg
  7. 7.🔧 Which invention helps us measure body temperature? (a) thermometer (b) telescope (c) telephone (d) microscope
  8. 8.What did Alessandro Volta give us? (a) penicillin (b) X-rays (c) the smallpox vaccine (d) the electric battery
  9. 9.What did the Wright brothers give us? (a) the electric battery (b) penicillin (c) the smallpox vaccine (d) the first aeroplane
  10. 10.What does a thermometer help us do? (a) do sums quickly (b) measure body temperature (c) print many books (d) hear the heartbeat
  11. 11.🔧 Which invention helps us see faraway stars? (a) clock (b) printing press (c) calculator (d) telescope
  12. 12.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  13. 13.True or false: a microscope helps us see tiny germs. (a) True (b) False
  14. 14.💡 Who gave us X-rays? (a) René Laennec (b) Alexander Fleming (c) Johannes Gutenberg (d) Wilhelm Röntgen
  15. 15.🔧 Which invention helps us tell the time? (a) compass (b) microscope (c) stethoscope (d) clock
  16. 16.💡 Who gave us the first aeroplane? (a) Louis Braille (b) the Wright brothers (c) Alexander Graham Bell (d) Alessandro Volta
  17. 17.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) Alessandro Volta (c) Johannes Gutenberg (d) Edward Jenner
  18. 18.What does a clock help us do? (a) do sums quickly (b) measure body temperature (c) talk to people far away (d) tell the time
  19. 19.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  20. 20.What does a microscope help us do? (a) do sums quickly (b) measure body temperature (c) see tiny germs (d) print many books
  21. 21.True or false: a thermometer helps us tell the time. (a) True (b) False
  22. 22.🔧 Which invention helps us print many books? (a) printing press (b) compass (c) telescope (d) telephone
  23. 23.🔧 Which invention helps us talk to people far away? (a) telescope (b) compass (c) stethoscope (d) telephone
  24. 24.What did Edward Jenner give us? (a) the first aeroplane (b) penicillin (c) the smallpox vaccine (d) the telephone
  25. 25.What did Alexander Graham Bell give us? (a) the electric battery (b) the stethoscope (c) the printing press (d) the telephone
  26. 26.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Alexander Fleming (d) Wilhelm Röntgen
  27. 27.What does a telephone help us do? (a) find directions (b) talk to people far away (c) hear the heartbeat (d) print many books
  28. 28.What did Alexander Fleming give us? (a) raised-dot writing (b) the first aeroplane (c) the printing press (d) penicillin
  29. 29.What does a compass help us do? (a) find directions (b) see tiny germs (c) do sums quickly (d) tell the time
  30. 30.True or false: the Wright brothers gave us the stethoscope. (a) True (b) False
  31. 31.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  32. 32.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Alexander Fleming (d) Johannes Gutenberg
  33. 33.💡 Who gave us the electric battery? (a) Edward Jenner (b) René Laennec (c) Alessandro Volta (d) Wilhelm Röntgen
  34. 34.True or false: a telescope helps us print many books. (a) False (b) True
  35. 35.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) thermometer (c) calculator (d) telephone
  36. 36.True or false: a compass helps us measure body temperature. (a) True (b) False
  37. 37.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  38. 38.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Edward Jenner (d) Louis Braille
  39. 39.🔧 Which invention helps us see tiny germs? (a) telescope (b) microscope (c) telephone (d) calculator
  40. 40.🔧 Which invention helps us find directions? (a) printing press (b) calculator (c) compass (d) stethoscope

Answer key

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

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