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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 152 · 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 measure body temperature. (a) True (b) False
  2. 2.True or false: Alexander Fleming gave us penicillin. (a) True (b) False
  3. 3.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  4. 4.💡 Who gave us the smallpox vaccine? (a) Edward Jenner (b) Alexander Graham Bell (c) the Wright brothers (d) Wilhelm Röntgen
  5. 5.What did Edward Jenner give us? (a) the smallpox vaccine (b) the telephone (c) the printing press (d) penicillin
  6. 6.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Johannes Gutenberg (c) Edward Jenner (d) Alexander Graham Bell
  7. 7.True or false: a clock helps us tell the time. (a) False (b) True
  8. 8.💡 Who gave us penicillin? (a) Alexander Graham Bell (b) Alexander Fleming (c) Johannes Gutenberg (d) Wilhelm Röntgen
  9. 9.What does a thermometer help us do? (a) do sums quickly (b) see faraway stars (c) measure body temperature (d) see tiny germs
  10. 10.True or false: a telescope helps us see faraway stars. (a) False (b) True
  11. 11.True or false: René Laennec gave us the stethoscope. (a) True (b) False
  12. 12.💡 Who gave us the printing press? (a) Alessandro Volta (b) Louis Braille (c) the Wright brothers (d) Johannes Gutenberg
  13. 13.💡 Who gave us X-rays? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) Edward Jenner (d) the Wright brothers
  14. 14.True or false: Edward Jenner gave us penicillin. (a) True (b) False
  15. 15.True or false: a telephone helps us do sums quickly. (a) True (b) False
  16. 16.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Alexander Fleming (c) Louis Braille (d) the Wright brothers
  17. 17.True or false: a compass helps us talk to people far away. (a) True (b) False
  18. 18.What did Johannes Gutenberg give us? (a) the electric battery (b) the printing press (c) the telephone (d) raised-dot writing
  19. 19.🔧 Which invention helps us print many books? (a) telescope (b) telephone (c) printing press (d) clock
  20. 20.True or false: a thermometer helps us talk to people far away. (a) False (b) True
  21. 21.True or false: a calculator helps us measure body temperature. (a) True (b) False
  22. 22.🔧 Which invention helps us do sums quickly? (a) telescope (b) thermometer (c) calculator (d) microscope
  23. 23.True or false: Johannes Gutenberg gave us the first aeroplane. (a) True (b) False
  24. 24.True or false: a microscope helps us see faraway stars. (a) False (b) True
  25. 25.True or false: a thermometer helps us hear the heartbeat. (a) True (b) False
  26. 26.What does a microscope help us do? (a) see tiny germs (b) talk to people far away (c) find directions (d) hear the heartbeat
  27. 27.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  28. 28.🔧 Which invention helps us find directions? (a) stethoscope (b) microscope (c) compass (d) thermometer
  29. 29.💡 Who gave us raised-dot writing? (a) Alessandro Volta (b) Johannes Gutenberg (c) René Laennec (d) Louis Braille
  30. 30.What does a telephone help us do? (a) do sums quickly (b) tell the time (c) talk to people far away (d) see faraway stars
  31. 31.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  32. 32.What did Alexander Graham Bell give us? (a) the smallpox vaccine (b) the printing press (c) the telephone (d) penicillin
  33. 33.What does a clock help us do? (a) see faraway stars (b) measure body temperature (c) hear the heartbeat (d) tell the time
  34. 34.True or false: Louis Braille gave us the electric battery. (a) False (b) True
  35. 35.True or false: a calculator helps us do sums quickly. (a) False (b) True
  36. 36.What did Louis Braille give us? (a) the telephone (b) the first aeroplane (c) penicillin (d) raised-dot writing
  37. 37.What does a calculator help us do? (a) print many books (b) see tiny germs (c) do sums quickly (d) hear the heartbeat
  38. 38.🔧 Which invention helps us hear the heartbeat? (a) stethoscope (b) clock (c) printing press (d) compass
  39. 39.What did Alexander Fleming give us? (a) raised-dot writing (b) the telephone (c) penicillin (d) the smallpox vaccine
  40. 40.True or false: Alexander Graham Bell gave us the stethoscope. (a) True (b) False

Answer key

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

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