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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 921 · 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: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  2. 2.What does a thermometer help us do? (a) measure body temperature (b) do sums quickly (c) tell the time (d) find directions
  3. 3.What does a telephone help us do? (a) tell the time (b) measure body temperature (c) hear the heartbeat (d) talk to people far away
  4. 4.🔧 Which invention helps us hear the heartbeat? (a) calculator (b) thermometer (c) telephone (d) stethoscope
  5. 5.What did the Wright brothers give us? (a) the smallpox vaccine (b) the first aeroplane (c) the telephone (d) X-rays
  6. 6.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True
  7. 7.💡 Who gave us X-rays? (a) Alexander Fleming (b) Wilhelm Röntgen (c) Alexander Graham Bell (d) Edward Jenner
  8. 8.True or false: a telescope helps us see faraway stars. (a) True (b) False
  9. 9.🔧 Which invention helps us do sums quickly? (a) calculator (b) printing press (c) clock (d) stethoscope
  10. 10.What does a clock help us do? (a) see tiny germs (b) measure body temperature (c) talk to people far away (d) tell the time
  11. 11.💡 Who gave us penicillin? (a) Wilhelm Röntgen (b) René Laennec (c) Alexander Fleming (d) the Wright brothers
  12. 12.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  13. 13.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
  14. 14.What does a stethoscope help us do? (a) see tiny germs (b) tell the time (c) print many books (d) hear the heartbeat
  15. 15.True or false: René Laennec gave us the telephone. (a) True (b) False
  16. 16.🔧 Which invention helps us see tiny germs? (a) telephone (b) stethoscope (c) microscope (d) printing press
  17. 17.🔧 Which invention helps us talk to people far away? (a) clock (b) telephone (c) thermometer (d) printing press
  18. 18.💡 Who gave us the first aeroplane? (a) Louis Braille (b) the Wright brothers (c) René Laennec (d) Johannes Gutenberg
  19. 19.What did Johannes Gutenberg give us? (a) the stethoscope (b) penicillin (c) the first aeroplane (d) the printing press
  20. 20.What does a microscope help us do? (a) see tiny germs (b) do sums quickly (c) see faraway stars (d) measure body temperature
  21. 21.True or false: Edward Jenner gave us the smallpox vaccine. (a) False (b) True
  22. 22.🔧 Which invention helps us see faraway stars? (a) stethoscope (b) calculator (c) telescope (d) telephone
  23. 23.What does a telescope help us do? (a) see faraway stars (b) hear the heartbeat (c) do sums quickly (d) tell the time
  24. 24.True or false: a clock helps us tell the time. (a) True (b) False
  25. 25.💡 Who gave us the printing press? (a) Louis Braille (b) René Laennec (c) Johannes Gutenberg (d) Alexander Fleming
  26. 26.What did Edward Jenner give us? (a) the electric battery (b) the telephone (c) the first aeroplane (d) the smallpox vaccine
  27. 27.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Louis Braille (d) Alexander Fleming
  28. 28.What did Alessandro Volta give us? (a) raised-dot writing (b) the printing press (c) penicillin (d) the electric battery
  29. 29.What does a printing press help us do? (a) measure body temperature (b) talk to people far away (c) hear the heartbeat (d) print many books
  30. 30.What did Alexander Fleming give us? (a) raised-dot writing (b) the telephone (c) the stethoscope (d) penicillin
  31. 31.What did Alexander Graham Bell give us? (a) the first aeroplane (b) X-rays (c) the stethoscope (d) the telephone
  32. 32.What did Louis Braille give us? (a) the printing press (b) the stethoscope (c) the telephone (d) raised-dot writing
  33. 33.What does a calculator help us do? (a) print many books (b) do sums quickly (c) find directions (d) hear the heartbeat
  34. 34.True or false: a clock helps us talk to people far away. (a) True (b) False
  35. 35.💡 Who gave us the electric battery? (a) the Wright brothers (b) Alessandro Volta (c) Edward Jenner (d) Alexander Fleming
  36. 36.True or false: a stethoscope helps us hear the heartbeat. (a) True (b) False
  37. 37.True or false: Wilhelm Röntgen gave us the telephone. (a) False (b) True
  38. 38.What did René Laennec give us? (a) the telephone (b) the stethoscope (c) the electric battery (d) penicillin
  39. 39.🔧 Which invention helps us find directions? (a) microscope (b) compass (c) stethoscope (d) calculator
  40. 40.🔧 Which invention helps us tell the time? (a) compass (b) clock (c) calculator (d) telephone

Answer key

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

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