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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 121 · 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 hear the heartbeat? (a) microscope (b) telephone (c) compass (d) stethoscope
  2. 2.True or false: a telescope helps us measure body temperature. (a) True (b) False
  3. 3.What did René Laennec give us? (a) the smallpox vaccine (b) the electric battery (c) the stethoscope (d) the telephone
  4. 4.What did Wilhelm Röntgen give us? (a) penicillin (b) the smallpox vaccine (c) raised-dot writing (d) X-rays
  5. 5.💡 Who gave us the first aeroplane? (a) Louis Braille (b) Wilhelm Röntgen (c) René Laennec (d) the Wright brothers
  6. 6.What did the Wright brothers give us? (a) the first aeroplane (b) the electric battery (c) the telephone (d) the printing press
  7. 7.True or false: Edward Jenner gave us the smallpox vaccine. (a) True (b) False
  8. 8.True or false: a telescope helps us see faraway stars. (a) False (b) True
  9. 9.True or false: Alexander Fleming gave us X-rays. (a) True (b) False
  10. 10.What did Alexander Fleming give us? (a) X-rays (b) the telephone (c) penicillin (d) the smallpox vaccine
  11. 11.💡 Who gave us penicillin? (a) Louis Braille (b) Wilhelm Röntgen (c) Alessandro Volta (d) Alexander Fleming
  12. 12.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) clock (c) printing press (d) calculator
  13. 13.True or false: Johannes Gutenberg gave us the telephone. (a) False (b) True
  14. 14.What does a stethoscope help us do? (a) measure body temperature (b) see faraway stars (c) do sums quickly (d) hear the heartbeat
  15. 15.True or false: a clock helps us tell the time. (a) False (b) True
  16. 16.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  17. 17.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  18. 18.What does a thermometer help us do? (a) find directions (b) do sums quickly (c) talk to people far away (d) measure body temperature
  19. 19.🔧 Which invention helps us see tiny germs? (a) printing press (b) telephone (c) stethoscope (d) microscope
  20. 20.🔧 Which invention helps us talk to people far away? (a) clock (b) compass (c) telephone (d) printing press
  21. 21.What does a printing press help us do? (a) tell the time (b) hear the heartbeat (c) print many books (d) find directions
  22. 22.True or false: Alessandro Volta gave us the stethoscope. (a) False (b) True
  23. 23.What does a telescope help us do? (a) tell the time (b) do sums quickly (c) see tiny germs (d) see faraway stars
  24. 24.🔧 Which invention helps us measure body temperature? (a) printing press (b) calculator (c) telescope (d) thermometer
  25. 25.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  26. 26.True or false: a telephone helps us do sums quickly. (a) True (b) False
  27. 27.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  28. 28.What did Edward Jenner give us? (a) the stethoscope (b) the electric battery (c) the smallpox vaccine (d) penicillin
  29. 29.True or false: a printing press helps us hear the heartbeat. (a) False (b) True
  30. 30.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) True (b) False
  31. 31.True or false: the Wright brothers gave us the electric battery. (a) False (b) True
  32. 32.What did Alexander Graham Bell give us? (a) X-rays (b) the stethoscope (c) the telephone (d) the electric battery
  33. 33.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  34. 34.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) the Wright brothers
  35. 35.What does a microscope help us do? (a) hear the heartbeat (b) see tiny germs (c) talk to people far away (d) do sums quickly
  36. 36.True or false: Johannes Gutenberg gave us penicillin. (a) True (b) False
  37. 37.True or false: a thermometer helps us measure body temperature. (a) False (b) True
  38. 38.What did Louis Braille give us? (a) raised-dot writing (b) the printing press (c) X-rays (d) the telephone
  39. 39.True or false: a telephone helps us talk to people far away. (a) False (b) True
  40. 40.What does a clock help us do? (a) do sums quickly (b) tell the time (c) talk to people far away (d) see faraway stars

Answer key

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

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