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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 320 · 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 see tiny germs. (a) False (b) True
  2. 2.True or false: Alexander Graham Bell gave us the first aeroplane. (a) True (b) False
  3. 3.True or false: a printing press helps us talk to people far away. (a) True (b) False
  4. 4.What did Edward Jenner give us? (a) the printing press (b) raised-dot writing (c) the electric battery (d) the smallpox vaccine
  5. 5.What did Alessandro Volta give us? (a) the smallpox vaccine (b) the stethoscope (c) the electric battery (d) raised-dot writing
  6. 6.🔧 Which invention helps us see tiny germs? (a) calculator (b) telephone (c) telescope (d) microscope
  7. 7.True or false: a thermometer helps us hear the heartbeat. (a) False (b) True
  8. 8.True or false: a clock helps us do sums quickly. (a) True (b) False
  9. 9.What does a printing press help us do? (a) tell the time (b) hear the heartbeat (c) talk to people far away (d) print many books
  10. 10.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  11. 11.🔧 Which invention helps us do sums quickly? (a) compass (b) clock (c) calculator (d) telephone
  12. 12.What does a clock help us do? (a) hear the heartbeat (b) tell the time (c) find directions (d) talk to people far away
  13. 13.💡 Who gave us the first aeroplane? (a) Edward Jenner (b) the Wright brothers (c) Louis Braille (d) Alessandro Volta
  14. 14.💡 Who gave us the telephone? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Edward Jenner
  15. 15.💡 Who gave us penicillin? (a) the Wright brothers (b) Alexander Fleming (c) Louis Braille (d) Alexander Graham Bell
  16. 16.What does a microscope help us do? (a) measure body temperature (b) hear the heartbeat (c) see tiny germs (d) talk to people far away
  17. 17.🔧 Which invention helps us hear the heartbeat? (a) telephone (b) stethoscope (c) thermometer (d) printing press
  18. 18.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Alessandro Volta (c) Louis Braille (d) Wilhelm Röntgen
  19. 19.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  20. 20.True or false: a telephone helps us hear the heartbeat. (a) False (b) True
  21. 21.🔧 Which invention helps us measure body temperature? (a) telescope (b) telephone (c) clock (d) thermometer
  22. 22.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Louis Braille (c) Wilhelm Röntgen (d) Johannes Gutenberg
  23. 23.What does a telescope help us do? (a) print many books (b) talk to people far away (c) tell the time (d) see faraway stars
  24. 24.What did Louis Braille give us? (a) the printing press (b) the electric battery (c) the telephone (d) raised-dot writing
  25. 25.True or false: a telephone helps us talk to people far away. (a) False (b) True
  26. 26.🔧 Which invention helps us see faraway stars? (a) telescope (b) compass (c) printing press (d) microscope
  27. 27.True or false: a microscope helps us print many books. (a) False (b) True
  28. 28.What does a thermometer help us do? (a) see faraway stars (b) talk to people far away (c) do sums quickly (d) measure body temperature
  29. 29.What did the Wright brothers give us? (a) the first aeroplane (b) raised-dot writing (c) the stethoscope (d) the printing press
  30. 30.True or false: a printing press helps us see tiny germs. (a) True (b) False
  31. 31.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  32. 32.True or false: Wilhelm Röntgen gave us the printing press. (a) True (b) False
  33. 33.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True
  34. 34.What did Johannes Gutenberg give us? (a) the printing press (b) the telephone (c) raised-dot writing (d) the electric battery
  35. 35.What does a telephone help us do? (a) hear the heartbeat (b) find directions (c) see faraway stars (d) talk to people far away
  36. 36.🔧 Which invention helps us print many books? (a) telescope (b) printing press (c) microscope (d) thermometer
  37. 37.What did Alexander Fleming give us? (a) the printing press (b) penicillin (c) the first aeroplane (d) the telephone
  38. 38.💡 Who gave us the electric battery? (a) the Wright brothers (b) Alexander Graham Bell (c) Johannes Gutenberg (d) Alessandro Volta
  39. 39.What does a calculator help us do? (a) see tiny germs (b) talk to people far away (c) hear the heartbeat (d) do sums quickly
  40. 40.True or false: a printing press helps us print many books. (a) False (b) True

Answer key

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

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