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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 788 · 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 see faraway stars? (a) telephone (b) compass (c) telescope (d) stethoscope
  2. 2.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
  3. 3.What does a calculator help us do? (a) talk to people far away (b) tell the time (c) do sums quickly (d) see tiny germs
  4. 4.💡 Who gave us the telephone? (a) Alessandro Volta (b) Alexander Graham Bell (c) the Wright brothers (d) Alexander Fleming
  5. 5.🔧 Which invention helps us find directions? (a) clock (b) printing press (c) compass (d) telephone
  6. 6.True or false: Johannes Gutenberg gave us the printing press. (a) True (b) False
  7. 7.What did Wilhelm Röntgen give us? (a) the printing press (b) the telephone (c) X-rays (d) penicillin
  8. 8.What did Alessandro Volta give us? (a) the printing press (b) X-rays (c) the electric battery (d) the stethoscope
  9. 9.What does a stethoscope help us do? (a) tell the time (b) measure body temperature (c) see tiny germs (d) hear the heartbeat
  10. 10.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  11. 11.What does a microscope help us do? (a) see faraway stars (b) talk to people far away (c) see tiny germs (d) measure body temperature
  12. 12.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  13. 13.True or false: Alexander Fleming gave us the telephone. (a) False (b) True
  14. 14.True or false: Alexander Graham Bell gave us raised-dot writing. (a) True (b) False
  15. 15.True or false: a microscope helps us see tiny germs. (a) True (b) False
  16. 16.True or false: a clock helps us tell the time. (a) True (b) False
  17. 17.🔧 Which invention helps us do sums quickly? (a) stethoscope (b) calculator (c) telescope (d) thermometer
  18. 18.True or false: a clock helps us measure body temperature. (a) False (b) True
  19. 19.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) Louis Braille (c) Johannes Gutenberg (d) the Wright brothers
  20. 20.True or false: the Wright brothers gave us penicillin. (a) False (b) True
  21. 21.💡 Who gave us the printing press? (a) Alexander Graham Bell (b) Wilhelm Röntgen (c) Louis Braille (d) Johannes Gutenberg
  22. 22.What does a compass help us do? (a) tell the time (b) print many books (c) do sums quickly (d) find directions
  23. 23.What did Edward Jenner give us? (a) the electric battery (b) the printing press (c) the smallpox vaccine (d) penicillin
  24. 24.True or false: a calculator helps us do sums quickly. (a) False (b) True
  25. 25.True or false: the Wright brothers gave us X-rays. (a) False (b) True
  26. 26.True or false: a telephone helps us talk to people far away. (a) True (b) False
  27. 27.💡 Who gave us the first aeroplane? (a) Alexander Fleming (b) Wilhelm Röntgen (c) the Wright brothers (d) Louis Braille
  28. 28.What does a telephone help us do? (a) talk to people far away (b) do sums quickly (c) tell the time (d) hear the heartbeat
  29. 29.🔧 Which invention helps us print many books? (a) calculator (b) printing press (c) telescope (d) stethoscope
  30. 30.True or false: Alessandro Volta gave us the electric battery. (a) False (b) True
  31. 31.🔧 Which invention helps us talk to people far away? (a) printing press (b) thermometer (c) telephone (d) clock
  32. 32.What did Alexander Fleming give us? (a) the stethoscope (b) raised-dot writing (c) the printing press (d) penicillin
  33. 33.What does a clock help us do? (a) do sums quickly (b) measure body temperature (c) talk to people far away (d) tell the time
  34. 34.What did René Laennec give us? (a) penicillin (b) the telephone (c) the stethoscope (d) the smallpox vaccine
  35. 35.💡 Who gave us the stethoscope? (a) Louis Braille (b) René Laennec (c) Wilhelm Röntgen (d) Johannes Gutenberg
  36. 36.🔧 Which invention helps us see tiny germs? (a) microscope (b) clock (c) stethoscope (d) telephone
  37. 37.💡 Who gave us penicillin? (a) René Laennec (b) Alexander Fleming (c) Louis Braille (d) Edward Jenner
  38. 38.True or false: Alessandro Volta gave us the smallpox vaccine. (a) False (b) True
  39. 39.True or false: a telescope helps us see faraway stars. (a) False (b) True
  40. 40.True or false: a telephone helps us see tiny germs. (a) True (b) False

Answer key

  1. telescope
  2. True
  3. do sums quickly
  4. Alexander Graham Bell
  5. compass
  6. True
  7. X-rays
  8. the electric battery
  9. hear the heartbeat
  10. True
  11. see tiny germs
  12. True
  13. False
  14. False
  15. True
  16. True
  17. calculator
  18. False
  19. Louis Braille
  20. False
  21. Johannes Gutenberg
  22. find directions
  23. the smallpox vaccine
  24. True
  25. False
  26. True
  27. the Wright brothers
  28. talk to people far away
  29. printing press
  30. True
  31. telephone
  32. penicillin
  33. tell the time
  34. the stethoscope
  35. René Laennec
  36. microscope
  37. Alexander Fleming
  38. False
  39. True
  40. False

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