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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 665 · 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 thermometer helps us talk to people far away. (a) False (b) True
  2. 2.💡 Who gave us penicillin? (a) Louis Braille (b) Alexander Graham Bell (c) Alexander Fleming (d) Johannes Gutenberg
  3. 3.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  4. 4.What does a telephone help us do? (a) see tiny germs (b) print many books (c) hear the heartbeat (d) talk to people far away
  5. 5.🔧 Which invention helps us hear the heartbeat? (a) clock (b) compass (c) thermometer (d) stethoscope
  6. 6.What did Alexander Fleming give us? (a) the electric battery (b) the telephone (c) the first aeroplane (d) penicillin
  7. 7.What does a clock help us do? (a) do sums quickly (b) tell the time (c) talk to people far away (d) find directions
  8. 8.True or false: a telephone helps us talk to people far away. (a) False (b) True
  9. 9.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  10. 10.💡 Who gave us the smallpox vaccine? (a) Alexander Graham Bell (b) Alessandro Volta (c) Alexander Fleming (d) Edward Jenner
  11. 11.What did Edward Jenner give us? (a) the printing press (b) penicillin (c) X-rays (d) the smallpox vaccine
  12. 12.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) telephone (c) telescope (d) calculator
  13. 13.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  14. 14.True or false: a telescope helps us talk to people far away. (a) False (b) True
  15. 15.What did Louis Braille give us? (a) the electric battery (b) the telephone (c) the stethoscope (d) raised-dot writing
  16. 16.True or false: a clock helps us tell the time. (a) False (b) True
  17. 17.True or false: a clock helps us talk to people far away. (a) False (b) True
  18. 18.True or false: a compass helps us hear the heartbeat. (a) False (b) True
  19. 19.True or false: a telephone helps us see faraway stars. (a) True (b) False
  20. 20.True or false: a telescope helps us print many books. (a) False (b) True
  21. 21.What does a thermometer help us do? (a) print many books (b) measure body temperature (c) hear the heartbeat (d) see tiny germs
  22. 22.What did Johannes Gutenberg give us? (a) the telephone (b) raised-dot writing (c) the printing press (d) X-rays
  23. 23.🔧 Which invention helps us print many books? (a) clock (b) telephone (c) thermometer (d) printing press
  24. 24.True or false: Alexander Graham Bell gave us penicillin. (a) False (b) True
  25. 25.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the telephone (c) raised-dot writing (d) the stethoscope
  26. 26.What did the Wright brothers give us? (a) the printing press (b) the first aeroplane (c) the electric battery (d) X-rays
  27. 27.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  28. 28.True or false: Johannes Gutenberg gave us the telephone. (a) True (b) False
  29. 29.What does a compass help us do? (a) do sums quickly (b) find directions (c) tell the time (d) print many books
  30. 30.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) Alexander Graham Bell (c) Louis Braille (d) Edward Jenner
  31. 31.What did Alessandro Volta give us? (a) penicillin (b) the telephone (c) the first aeroplane (d) the electric battery
  32. 32.🔧 Which invention helps us see faraway stars? (a) telephone (b) telescope (c) microscope (d) stethoscope
  33. 33.True or false: a clock helps us hear the heartbeat. (a) False (b) True
  34. 34.🔧 Which invention helps us tell the time? (a) stethoscope (b) telephone (c) microscope (d) clock
  35. 35.True or false: Wilhelm Röntgen gave us X-rays. (a) True (b) False
  36. 36.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Alexander Graham Bell (c) Alessandro Volta (d) Johannes Gutenberg
  37. 37.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Johannes Gutenberg (c) the Wright brothers (d) Alessandro Volta
  38. 38.What did Wilhelm Röntgen give us? (a) the printing press (b) penicillin (c) raised-dot writing (d) X-rays
  39. 39.True or false: a compass helps us talk to people far away. (a) True (b) False
  40. 40.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True

Answer key

  1. False
  2. Alexander Fleming
  3. True
  4. talk to people far away
  5. stethoscope
  6. penicillin
  7. tell the time
  8. True
  9. True
  10. Edward Jenner
  11. the smallpox vaccine
  12. telephone
  13. True
  14. False
  15. raised-dot writing
  16. True
  17. False
  18. False
  19. False
  20. False
  21. measure body temperature
  22. the printing press
  23. printing press
  24. False
  25. the telephone
  26. the first aeroplane
  27. True
  28. False
  29. find directions
  30. Johannes Gutenberg
  31. the electric battery
  32. telescope
  33. False
  34. clock
  35. True
  36. the Wright brothers
  37. Alexander Graham Bell
  38. X-rays
  39. False
  40. True

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