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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 809 · 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.💡 Who gave us the telephone? (a) Alessandro Volta (b) Alexander Graham Bell (c) Johannes Gutenberg (d) the Wright brothers
  2. 2.What does a thermometer help us do? (a) tell the time (b) hear the heartbeat (c) measure body temperature (d) do sums quickly
  3. 3.What does a telephone help us do? (a) talk to people far away (b) see faraway stars (c) tell the time (d) do sums quickly
  4. 4.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  5. 5.What did the Wright brothers give us? (a) X-rays (b) the first aeroplane (c) the telephone (d) penicillin
  6. 6.What did Alessandro Volta give us? (a) the first aeroplane (b) the smallpox vaccine (c) the telephone (d) the electric battery
  7. 7.True or false: a calculator helps us see tiny germs. (a) True (b) False
  8. 8.True or false: a telephone helps us do sums quickly. (a) True (b) False
  9. 9.🔧 Which invention helps us do sums quickly? (a) microscope (b) telephone (c) telescope (d) calculator
  10. 10.True or false: a calculator helps us do sums quickly. (a) True (b) False
  11. 11.What does a clock help us do? (a) tell the time (b) measure body temperature (c) talk to people far away (d) find directions
  12. 12.True or false: Louis Braille gave us raised-dot writing. (a) True (b) False
  13. 13.🔧 Which invention helps us see tiny germs? (a) printing press (b) stethoscope (c) compass (d) microscope
  14. 14.What did Alexander Graham Bell give us? (a) X-rays (b) the first aeroplane (c) raised-dot writing (d) the telephone
  15. 15.What does a microscope help us do? (a) talk to people far away (b) measure body temperature (c) hear the heartbeat (d) see tiny germs
  16. 16.True or false: Wilhelm Röntgen gave us penicillin. (a) False (b) True
  17. 17.True or false: a clock helps us tell the time. (a) False (b) True
  18. 18.💡 Who gave us penicillin? (a) René Laennec (b) the Wright brothers (c) Alexander Fleming (d) Alexander Graham Bell
  19. 19.What does a telescope help us do? (a) see faraway stars (b) hear the heartbeat (c) tell the time (d) find directions
  20. 20.What does a printing press help us do? (a) hear the heartbeat (b) print many books (c) tell the time (d) do sums quickly
  21. 21.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Johannes Gutenberg (c) Alessandro Volta (d) René Laennec
  22. 22.💡 Who gave us the first aeroplane? (a) Alexander Graham Bell (b) Alexander Fleming (c) Louis Braille (d) the Wright brothers
  23. 23.What did Wilhelm Röntgen give us? (a) X-rays (b) the telephone (c) the smallpox vaccine (d) penicillin
  24. 24.What did Alexander Fleming give us? (a) the telephone (b) the first aeroplane (c) penicillin (d) raised-dot writing
  25. 25.What did Louis Braille give us? (a) penicillin (b) raised-dot writing (c) X-rays (d) the electric battery
  26. 26.True or false: Edward Jenner gave us the electric battery. (a) True (b) False
  27. 27.What did René Laennec give us? (a) the smallpox vaccine (b) the first aeroplane (c) the printing press (d) the stethoscope
  28. 28.🔧 Which invention helps us see faraway stars? (a) compass (b) thermometer (c) telescope (d) clock
  29. 29.True or false: Alexander Graham Bell gave us X-rays. (a) True (b) False
  30. 30.True or false: a microscope helps us see tiny germs. (a) False (b) True
  31. 31.💡 Who gave us the electric battery? (a) Edward Jenner (b) Alexander Graham Bell (c) the Wright brothers (d) Alessandro Volta
  32. 32.True or false: a telephone helps us talk to people far away. (a) True (b) False
  33. 33.True or false: the Wright brothers gave us X-rays. (a) True (b) False
  34. 34.True or false: the Wright brothers gave us raised-dot writing. (a) False (b) True
  35. 35.True or false: Alexander Graham Bell gave us penicillin. (a) False (b) True
  36. 36.True or false: Louis Braille gave us the smallpox vaccine. (a) True (b) False
  37. 37.True or false: Louis Braille gave us the telephone. (a) True (b) False
  38. 38.What does a stethoscope help us do? (a) measure body temperature (b) hear the heartbeat (c) tell the time (d) do sums quickly
  39. 39.🔧 Which invention helps us talk to people far away? (a) calculator (b) telephone (c) stethoscope (d) compass
  40. 40.True or false: a thermometer helps us measure body temperature. (a) True (b) False

Answer key

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

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