Scientists call the path that electricity takes an electric circuit. Electric circuits are used to carry electricity to places where we can use it. At home, at school, in factories or anywhere that relies on electricity. The electricity is carried to where it is needed by wires.
trait. A characteristic or condition that is determined by one's genes. The color of an animal's coat and the shape of a plant's leaves are physical traits.
1 Traits are observable characteristics that are passed down from parent to child. 2  An individual will have many traits they share in common with others. 3  An individual's overall combination of traits makes them unique. 4  Some traits are more common in a population than others.