CAT 1 600 Practice Question Grade 7 English Language and Arts - Skill Builder + FSA Rehearsal

Grade 7 English Language and Arts - Skill Builder + FSA Rehearsal CAT 1

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Scientists in South Korea have developed a type of artificial skin that will allow robots to feel slight vibrations. This skin, developed by weaving together extremely small nanohairs made of polymer or plastic is more sensitive than human skin. When vibration is applied to this artificial skin, the nanohairs bend against each other to generate an electrical current. Sensors within the skin evaluate the current and using that information determine the source of the vibration.

Researchers are excited about the potential for this new development. The artificial skin could be used to cover prosthetic limbs to help those who have lost a limb experience more realistic sensations and function more naturally.

http://en.wikipedia.org/wiki/Neuroplasticity

Which sentence best explains why scientists are developing the artificial skin? Highlight the correct choice.

  1. “The artificial skin could be used to cover prosthetic limbs to help lose who have lost a limb experience more realistic sensations and function more naturally.”
  2. “Sensors within the skin evaluate the current and using that information determine the source of the vibration.”
  3. “This skin, developed by weaving together extremely small nanohairs made of poly mer or plastic is more sensitive than human skin.”
  4. “Scientists in South Korea have developed a type of skin that will allow robots to feel slight vibrations.”