The cerebrum is the major part of the brain and is responsible for the main senses (thinking, hearing, seeing).

Small quantities of certain minerals like iron, calcium, magnesium, and salt are important for nutrition and health.

A substance undergoes a phase transition when it moves from one state of matter to another, for example, when water freezes or boils.

Velocity and displacement are vector quantities which means each is fully described by both a magnitude and a direction. In contrast, scalar quantities are quantities that are fully described by a magnitude only. A variable indicating a vector quantity will often be shown with an arrow symbol: \(\vec{v}\)